- S. Holm, Waves with Power-Law Attenuation, Springer (Classical Continuum Physics), Acoustical Soc. Am. Press series, 2019.
### Book Chapters

- K. Rypdal, M. Rypdal and S. Holm, Detection and attribution: “How is the solar signal identified and distinguished from the response to other forcings?” chapter 3.9 in "Handbook on the Sun-climate connection," COST Action ES1005 TOSCA (Towards a more complete assessment of the impact of solar variability on the Earth’s climate), EDP Sciences, 2015.
- S. Holm, "Digital signalbehandling” (kap 7) i læreboka ”Veien til internasjonal radioamatørlisens” utgitt av NRRL (Norsk Radio Relæ Liga), juni 2014.
- S. Holm, A. Austeng, K. Iranpour and J. F. Hopperstad, "Sparse sampling in array processing," chapter 19 in "Sampling theory and practice" (F. Marvasti Ed.), Plenum, New York, 2001.
- S. Holm, "Effect of short pulses and focusing on grating lobes" and "Aberration and tolerance analysis for linear phased arrays," Sects. 6.3D and 6.4 in B.A.J. Angelsen, "Ultrasound Imaging: Waves, Signals, and Signal Processing," Department of Physiology and Biomedical Engineering, Norwegian University of Science and Technology, 2000.
### Journal Publications

- K. Parker, T. Szabo, S. Holm, "Towards a consensus on rheological models for elastography in soft tissues," arXiv, accepted in Phys. Med. Biol.
- H. Esmond and S. Holm, Fractional Derivative Modelling of Adhesive Cure, Appl. Math. Mod., Aug 2019.
- S. N. Chandrasekaran and S. Holm, "A multiple relaxation interpretation of the extended Biot model," Journ. Acoust. Soc. Am, July 2019.
- J. Kvam, S. Holm, and B. A. J. Angelsen, "Exploiting Ballou's rule for better tissue classification," Journ. Acoust. Soc. Am., April 2019
- S. Patz, D. Fovargue, K. Schregel, N. Nazari, M. Palotai, P. E. Barbone, B. Fabry, A. Hammers, S. Holm, S. Kozerke, D. Nordsletten, R. Sinkus, "Imaging localized neuronal activity at fast timescales through biomechanics," Science Advances, April 2019.

- Evensen, Karen Brastad; Paulat, Klaus; Prieur, Fabrice Jean Gabriel; Holm, Sverre; Eide, Per Kristian. Utility of the Tympanic Membrane Pressure Waveform for Non-invasive Estimation of The Intracranial Pressure Waveform. Scientific Reports 2018; Volum 8:15776. s. 1-11
- Wei Cai, Wen Chen, Jun Fang and Sverre Holm, A survey on fractional derivative modeling of power-law frequency-dependent viscous dissipative and scattering attenuation in acoustic wave propagation, Appl. Mech. Rev., 2018
- R. Sinkus, S. Lambert, K. Z. Abd-Elmoniem, C. Morse, T. Heller, C. Guenthner, A. M Ghanem, S. Holm, and A. M. Gharib, Rheological Determinants for Simultaneous Staging of Hepatic Fibrosis and Inflammation in Patients with Chronic Liver Disease, NMR in Biomedicine, 2018.
- Karen Brastad Evensen, Michael O’Rourke, Fabrice Prieur, Sverre Holm & Per Kristian Eide,
Non-invasive Estimation of the Intracranial Pressure Waveform from the Central Arterial Blood
Pressure Waveform in Idiopathic Normal Pressure Hydrocephalus Patients, Scientific Reports, vol 8, March 2018.

- S. Holm, "Spring-damper equivalents of the fractional, poroelastic, and poroviscoelastic models for elastography," NMR in Biomedicine, Nov 2017 (arXiv version)
- S. Holm and M. B. Holm, "Restrictions on wave equations for passive media," Journ. Acoust. Soc. Am., 2017, Erratum - missing convolution sign in Eqs. 2 and 3. (arXiv version)
- O. M. H Rindal, S. Aakhus, S. Holm, A. Austeng, "Hypothesis of improved visualization of microstructures in the interventricular septum with ultrasound and adaptive beamforming," Ultras. Med. Biol, Oct. 2017.
- Wen Chen, Jun Fang, Guofei Pang, Sverre Holm, "Fractional biharmonic operator equation model for arbitrary frequency-dependent scattering attenuation in acoustic wave propagation," Journ. Acoust. Soc. Am., Jan 2017.

- V. Pandey, S. Holm, "Connecting the grain-shearing mechanism of wave propagation in marine sediments to fractional order wave equations," Dec. 2016, Journ. Acoust. Soc. Am.
- V. Pandey, S. Holm, "Linking the fractional derivative and the Lomnitz creep law to non-Newtonian time-varying viscosity", Physical Review E, Sept 2016. (Note that Eq. (6) misses a subscript on the time derivative of epsilon: \dot{\varepsilon}_d)
- V. Pandey, S. P. Näsholm, S. Holm, "Spatial dispersion of elastic waves in a bar characterized by tempered nonlocal elasticity," Fract. Calc. Appl. Anal. Vol. 19, No 2 (2016) .
- W. Zhang and S. Holm, "Estimation of shear modulus in media with power law characteristics," Ultrasonics, Jan. 2016.

- S. A. Lambert, S. P. Näsholm, D. Nordsletten, C. Michler, L. Juge, J.-M. Serfaty, L. Bilston, B. Guzina, S. Holm, R. Sinkus, "Bridging three orders of magnitude: Multiple scattered waves sense fractal microscopic structures via dispersion," Physical Review Letters, Aug. 2015.
- S. Holm, "Prudence in estimating coherence between planetary, solar and climate oscillations," Astrophys. Space Sci., May 2015. (arXiv version)

- T. Dahl, J. Ealo, H. J. Bang, S. Holm, P. Khuri-Yakub, Applications of airborne ultrasound in human-computer interaction, Ultrasonics, Sept 2014.
- J. P. Åsen, A. Austeng, S. Holm, "Capon Beamforming and Moving Objects - An Analysis of Lateral Shift-Invariance," IEEE Trans. Ultrason., Ferroelect., Freq. Contr., July 2014.
- S. Holm, "On the alleged coherence between the global temperature and the sun's movement,"
J. Atmosph. and Solar-Terrestr. Phys., April 2014 (arXiv version).
- S. Holm, Corrigendum to “On the alleged coherence between the global temperature and the sun's movement”, J. Atmosph. and Solar-Terrestr. Phys., Nov 2014. Local copy
- Matlab code

- S. Holm and S. P. Näsholm, "Comparison of fractional wave equations for power law attenuation in ultrasound and elastography," Ultrasound in Medicine and Biology, April 2014 (arXiv version).
- J. P. Åsen, J. I. Buskenes, C.-I. Nilsen, A. Austeng, S. Holm, "Implementing Capon Beamforming on a GPU for Real-Time Cardiac Ultrasound Imaging," IEEE Trans. Ultrason., Ferroelect., Freq. Contr., Jan 2014.
- W. Zhang, X. Cai, S. Holm, "Time-fractional heat equations and negative absolute temperatures," Computers and Mathematics with Applications, pp 164–171, Jan 2014.

- A. L. L. Ramos, S. Holm, S. Gudvangen, R. Otterlei, "A Spectral Subtraction Based Algorithm for Real-time Noise Cancellation with Application to Gunshot Acoustics," Int. J. Electron. and Telecomm., vol 59 (no 1), 2013.
- S. Holm, S. P. Näsholm, F. Prieur, R. Sinkus, "Deriving fractional acoustic wave equations from mechanical and thermal constitutive equations," Computers & Mathematics with Applications, Sept. 2013.
- S. P. Näsholm and S. Holm, "On a Fractional Zener Elastic Wave Equation,"
Fract. Calc. Appl. Anal. Vol. 16, No 1 (2013) (arXiv version).

- A. C. Jensen, S. P. Näsholm, C.-I. C. Nilsen, A. Austeng, and S. Holm, "Applying Thomson’s Multitaper Approach to Reduce Speckle in Medical Ultrasound Imaging", IEEE Journ. Ultrason., Ferrorelec., Freq. Control, October 2012
- F. Prieur, G. Vilenskiy, S. Holm, "A more fundamental approach to the derivation of nonlinear acoustic wave equations with fractional loss operator," Journ. Acoust. Soc. Am., Oct. 2012
- S. Mehdizadeh, A. Austeng, T. Johansen, S. Holm, "Eigenspace Based Minimum Variance Beamforming Applied to Ultrasound Imaging of Acoustically Hard Tissues," IEEE Trans. Medical Imaging, Oct 2012.
- P. K. Eide, S. Holm, W. Sorteberg, "Simultaneous monitoring of static and dynamic intracranial pressure parameters from two separate sensors in patients with cerebral bleeds: comparison of findings," BioMedical Engineering OnLine, 11:66, Sept 2012.
- F. Prieur, S. P. Näsholm, A. Austeng, F. Tichy, S. Holm, "Feasibility of Second Harmonic Imaging in Active Sonar: Measurements and Simulations," IEEE Journ. Oceanic Eng., July 2012.
- F. Prieur, T. F. Johansen, S. Holm, H. Torp, "Fast simulation of second harmonic ultrasound field using a quasi-linear method," Journ. Acoust. Soc. Am, June 2012.
- I. Hafizovic, C.-I. C. Nilsen, S. Holm, "Transformation Between Uniform Linear and Spherical Microphone Arrays with Symmetric Responses," IEEE Trans. Audio, Speech and Language Proc, May 2012
- S. Mehdizadeh, A. Austeng, T. F. Johansen, S. Holm, "Minimum Variance Beamforming Applied to Ultrasound Imaging of a Partially Shaded Scatterer," IEEE Trans. Ultrason., Ferroelect., Freq. Contr., April 2012
- S. P. Näsholm and S. Holm, "Linking multiple relaxation, power-law attenuation, and fractional wave equations," Journ. Acoust. Soc. Am, Nov. 2011.
- S. Holm and S. P. Näsholm, "A causal and fractional all-frequency wave equation for lossy media," Journ. Acoust. Soc. Am, Oct. 2011.
- E. Asgedom, L.-J. Gelius, A. Austeng, S. Holm, and M. Tygel, "Time-reversal Multiple Signal Classification in case of noise: A phase-coherent approach," Journ. Acoust. Soc. Am, Oct. 2011.
- F. Prieur and S. Holm, "Nonlinear acoustic wave equations with fractional loss operators," Journ. Acoust. Soc. Am, Sept. 2011.
- J.-F. Synnevåg, A. Austeng, and S. Holm, "A Low Complexity
Data-dependent Beamformer", in IEEE Trans. Ultrason., Ferroelect., Freq. Contr., Feb. 2011.

- S. Holm and F. Prieur, Low sidelobe limited diffraction beams in the nonlinear regime, Journ. Acoust. Soc. Am., Sept. 2010.
- C. I. Colombo Nilsen and S. Holm, "Wiener Beamforming and the Coherence Factor in Ultrasound Imaging", IEEE Trans. Ultrason., Ferroelect., Freq. Contr., June 2010.
- S. Holm and R. Sinkus, ”A unifying fractional wave equation for compressional and shear waves,” Journ. Acoust. Soc. Am., vol 127, no 1, pp-542-548, 2010.

- J.-F. Synnevåg, A. Austeng, and S. Holm, ”Benefits of Minimum-Variance Beamforming in Medical Ultrasound Imaging”, IEEE Trans. Ultrason., Ferroelect., Freq. Contr., Sept. 2009.
- S. Holm and P. K. Eide, "Impact of Sampling Rate for Time Domain Analysis of Continuous Intracranial Pressure (ICP) Signals," Medical Engineering & Physics, 31 (5), pp. 601-606, June 2009.
- S. Holm, "Magnetospheric ducting as an explanation for delayed 3.5 MHz signals," QST, ARRL - The National Association for Amateur Radio, p. 54, March 2009.

- C. I. Colombo Nilsen and S. Holm, "Distortion-Free Delta-Sigma Beamforming", IEEE Trans. Ultrason., Ferroelect., Freq. Contr., vol. 55(8), pp. 1719-1728, Aug. 2008.
- S. Holm and P. K. Eide, "The frequency domain versus time domain methods for processing of intracranial pressure (ICP) signals," Medical Engineering & Physics, vol 30, pp 164–170, March 2008.
- J.-F. Synnevåg, A. Austeng, and S. Holm, "Adaptive beamforming applied to medical ultrasound imaging," IEEE Trans. Ultrason., Ferroelect., Freq. Contr. (Special issue on high resolution ultrasonic imaging), vol. 54(8), Aug. 2007, pp. 1606-1613.
- A. Bounaïm, S. Holm, W. Chen and Å. Ødegård, "Detectability of Breast Lesions with CARI Ultrasonography Using a Bio-acoustic Computational Approach," Computers and Mathematics with Applications, Vol. 54 (1), July 2007, pp. 96-106.
- S. Holm, J. Brungot, A. Rønnekleiv, L. Hoff, V. Jahr, K. M. Kjølerbakken,
"Acoustic passive integrated transponders for fish tagging and identification,"
Aquaculture Engineering, Vol 36(2), March 2007, pp. 122-126.

- S. Holm, "On the relationship between minimum norm and linear prediction for spatial spectrum estimation," Signal Processing, Vol 85, Issue 1 , January 2005, Pages 227-230
- A. Bounaïm, S. Holm, W. Chen and Å. Ødegård, "Quantification of the CARI breast imaging sensitivity by 2D/3D numerical time-domain ultrasound wave propagation," Journ. Mathematics and Computers in Simulation, Vol. 65, No. 4-5, May 2004, pp. 521-534.
- A. Bounaïm, S. Holm, W. Chen, and Å. Ødegård, "Sensitivity of the Ultrasonic CARI Technique for Breast Tumor Detection Using a FETD Scheme," J. Ultrasonics, Vol. 42. pp. 919-925, April 2004.
- W. Chen and S. Holm, "Fractional Laplacian time-space models for linear and nonlinear lossy media exhibiting arbitrary frequency dependency," J. Acoust. Soc. Amer., pp. 1424-1430, Apr. 2004.
- W.Chen and S. Holm, "Modified Szabo’s wave equation models for lossy media obeying frequency power law," J. Acoust. Soc. Amer., pp. 2570-2574, Nov. 2003.
- A. Austeng and S. Holm, "Sparse 2D Arrays for 3D Phased Array Imaging - Design Methods," IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control, Aug. 2002, pp. 1073-1086.
- A. Austeng and S. Holm, "Sparse 2D Arrays for 3D Phased Array Imaging - Experimental Validation," IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control, Aug. 2002, pp. 1087-1093.
- P. D. Fox and S. Holm, "Modeling of CW annular arrays using limited diffraction Bessel beams," IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control, January 2002.
- Fox, P.D. and Holm, S.
"Decomposition of acoustic fields in quantised Bessel beams," J. Ultrasonics, Vol 38, pp 190-194, March
2000.

- P. Weber, A. Austeng, S. Holm, and N. Aakvaag, "1D and 2D sparse array optimization," Instrumentation Science & Technology, Vol. 27, No. 4, 1999, pp. 235-246.
- S. Holm, " Bessel and conical beams and approximation with annular arrays," IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control, vol. 45, no. 3, pp. 712-718, May 1998.
- S. Holm, B. Elgetun, G. Dahl, "Properties of the beampattern of weight- and layout-optimized sparse arrays," IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control, vol. 44, no. 5, pp. 983-991, Sept. 1997.
- B. A. J. Angelsen, H. Torp, S. Holm, K. Kristoffersen, T. A. Whittingham,
"Which transducer array is best?" Review paper in European Journal
of Ultrasound, vol 2, pp 151-164, 1995.

- S. Holm, M. Myhrum, L. Hoff, "Modeling of the ultrasound return from Albunex microspheres," Ultrasonics, vol 32, no 2, pp. 123-130, 1994.
- S. Holm, "Optimum FFT-based frequency acquisition with application to COSPAS-SARSAT," IEEE Aerospace and Electronic Systems, pp. 464-475 April 1993 (Comments from Dr. Hans-Christoph Höring with my reply at the end of the paper).
- S. Holm and K. Kristoffersen, "Analysis of worst-case phase quantization errors in focused beamforming," IEEE Trans. Ultrasonics, Ferroelectrics and Frequency Control, pp. 593-599, Sept. 1992.
- S. Holm, "Comments on 'On the use of Autoregressive Order Determination Criteria in Univariate White Noise Tests'," IEEE Trans. Acoust., Speech, Signal Processing, p. 1805, Oct. 1990.
- A. Måøy, S. Holm, M. Toverud, "Design of a processing facility for synthetic aperture radar data at the Tromsø ERS-1 ground station," Journ. Brit. Interplan. Soc., pp. 94-100, March 1990.
- S. Holm, "FFT pruning applied to time domain interpolation and peak
localization," IEEE Trans. Acoust., Speech, Signal Processing, pp.
1776-1778, December 1987.
- Fortran code for FFT pruning program.

- S. Holm, G.E. Ottesen, "Bias in the cross spectrum and time-delay estimates due to misalignment," IEEE Trans. Acoust., Speech, Signal Processing, pp. 1662-1665, December 1986.
- S. Holm, "Spectral moment matching in the maximum entropy method," IEEE Trans. Information Theory, pp. 311-313, March 1983.
- S. Holm, J. M. Hovem, "Estimation of ocean wave spectra by the maximum
entropy method," IEEE Journ. Ocean Engineering, pp.76-83, July
1979.
### Publications at Conferences

- Rindal, Ole Marius Hoel; Austeng, Andreas; Torp, Hans Garman; Holm, Sverre; Rodriguez-Molares, Alfonso. The dynamic range of adaptive beamformers. Proceedings - IEEE Ultrasonics Symposium 2016
- Palmer, Cameron Lowell; Rindal, Ole Marius Hoel; Holm, Sverre; Austeng, Andreas. Realtime plane-wave software beamforming with an iPhone. Proceedings - IEEE Ultrasonics Symposium 2016.
- Bergh, Trond; Hafizovic, Ines; Holm, Sverre. Multi-speaker voice activity detection using a camera-assisted microphone array. International Conference on Systems, Signals, and Image Processing, June 2016
- S. Holm, "Thermodynamically viable wave equations for power law attenuation in viscoelastic media," Invited presentation Acoustics '17 (ASA), Boston, June 2017
- S. Holm, “Thermodynamically viable fractional wave equations for power law attenuation in viscoelastic media,” Invited minisymposium presentation SIAM Conference on Computational Science, Atlanta, GA, 27 Feb-3 March 2017
- V. Pandey and S. Holm, Connecting the Viscous Grain-shearing Mechanism of Wave Propagation in Marine Sediments to Fractional Calculus, 78th EAGE Conference & Exhibition 2016, Vienna, Austria, 30 May-2 June 2016.
- A. Schultzen, H. Hauglin, T. Dunker, S. Holm, "Interference Detection and Countermeasures in a GPS-Disciplined Chip-Scale Atomic Clock," presented at 30th European Frequency and Time Forum, York, UK, April 2016.
- S. Holm, V. Pandey, "Wave propagation in marine sediments expressed by fractional wave and diffusion equations,"
**Invited keynote**, IEEE/OES China Ocean Acoustics Symposium, Harbin, China, Jan 2016.

- S. Holm, "Four interpretations of temporal memory operators in the wave equation,"
**Invited presentation**, Acoust. Soc. Am. meeting, Jacksonville FL, Nov. 2015. - V. Pandey, S. Holm, "A fractional calculus approach to the propagation of waves in an unconsolidated granular medium," Acoust. Soc. Am. meeting, Jacksonville FL, Nov. 2015.
- S. Holm, "Four ways to justify temporal memory operators in the lossy wave equation," IEEE Ultrason. Symp., Taipei, Oct. 2015. ArXiv
- S. Holm, "Four ways to interpret temporal memory operators in the wave equation,"
**Invited paper**in minisymposium on "Fractional Derivatives in Modeling of Engineering Systems", 8th Vienna Int. Conf. Math. Modelling, Vienna, Feb 2015. - V. Pandey, S. P. Näsholm, S. Holm, "Wave propagation in a spatially tempered nonlocal elastic medium," Int. Conf. Fract. Diff. Applic. (ICFDA'14), June 2014, Catania, Italy
- E. Bakken, , T. S. Lande, S. Holm, Real time UWB radar imaging using single chip transceivers, IEEE Int. Symp. Circuits and Systems (ISCAS), pp.2461,2464, 1-5 June 2014.
- S. A. Lambert, P. Näsholm, L. Juge, L. Bilston, B. Guzina, S. Holm, and R. Sinkus, "Waves as biosensor for microarchitecture" presented at Int. Soc. Magn. Res. in Med, Milan, May 2014.

- W. Zhang and S. Holm, "Modeling radiation force and shear wave propagation using the fractional Kelvin-Voigt model", 12th Int. Tissue Elasticity Conference, Lingfield Park, England, Oct 2013.
- S. Holm, "Fractional Acoustic Wave Equations from Mechanical and Thermal Constitutive Equations,"
**Invited keynote**International Symposium on Fractional PDEs: Theory, Numerics and Application, June 3 - 5, 2013, Salve Regina University, Newport RI, USA. - Skogstad, Ståle Andreas van Dorp; Nymoen, Kristian; Høvin, Mats Erling; Holm, Sverre; Jensenius, Alexander Refsum. "Filtering Motion Capture Data for Real-Time Applications." in Proc. Int. Conf. on New Interfaces For Musical Expression. Daejeon: Korea Advance Institute of Science and Technology, pp. 142-147, May 2013
- C.-I. Nilsen, I. Hafizovic, S. Holm, "Robust 3-D Sound Source Localization Using Spherical Microphone Arrays," Proc. Int. Audio Eng. Soc. Convention, Rome, May 2013.
- S. A. Lambert, S. Chatelin, P. Näsholm, L. Juge, P. Garteiser, L. Ter Beek, V. Vilgrain, B. E. Van Beers, L. E. Bilston, B. Guzina, S. Holm, and R. Sinkus,
"Sub-Voxel Micro-Architecture Assessment by Scattering of Mechanical Shear Waves," presented at Int. Soc. Magn. Res. in Med, Salt Lake City, April 2013.

- E. Bakken, T. S. Lande, S. Holm, "Effect of process variations in CMOS chips for radar beamforming," NORCHIP, Copenhagen, Denmark, Nov. 2012
- S. Holm, "Ultrasound positioning based on time-of-flight and signal strength," in Proc. 2012 Int. Conf. Indoor Positioning and Indoor Navigation, Sydney, Nov. 2012
- C. Medina, S: Holm, J. C: Segura, "Feasibility of ultrasound positioning based on signal strength" in Proc. 2012 Int. Conf. Indoor Positioning and Indoor Navigation, Sydney, Nov. 2012
- S. A. D. Skogstad, S. Holm, M. Høvin, "Designing Digital IIR Low-Pass Differentiators With Multi-Objective Optimization," 2012 IEEE 11th International Conference on Signal Processing, Beijing, China, 21-25. Oct 2012
- S. A. D. Skogstad, S. Holm, M. Høvin, "Digital IIR filters with minimal group delay for real-time applications," 2012 IEEE Int. Conf. Engineering and Technology (ICET), Cairo, Egypt, 10-11. Oct 2012.
- S. Mehdizadeh, S. Muller, T. F. Johansen, S. Holm, "Application of eigen-spaced beamformers for imaging lamina of vertebral arch," IEEE International Ultrasonics Symposium, Dresden, Germany, 2012.
- J. P. Åsen, J. I. Buskenes, C.-I. C. Nilsen, A. Austeng, S. Holm, "Implementing Capon Beamforming on the GPU for Real Time Cardiac Ultrasound Imaging," IEEE International Ultrasonics Symposium, Dresden, Germany, 2012.
- J. P. Åsen, S. Holm, "Huygens on Speed - Interactive Simulation of Ultrasound Pressure Fields," IEEE International Ultrasonics Symposium, Dresden, Germany, 2012.
- S A Lambert, S Chatelin, S P Näsholm , L. Juge, P. Garteiser, L. ter Beek, V. Vilgrain, B. E. van Beers, L. E. Bilston, B. Guzina, S. Holm, R Sinkus, “Sub-Voxel Micro-Architecture Assessment by Scattering of Mechanical Shear," 11th Int. Tissue Elasticity Conference, Deauville, France, Oct 2012.
- A. L. L. Ramos, S. Holm, S. Gudvangen, R. Otterlei, A Modified Spectral Subtraction Algorithm for Real-time Noise Reduction Applied to Gunshot Acoustics, Int. Conf. Signals and Electronic Systems, Wroclaw, Poland, Sept 2012.
- S. Holm, S. P. Näsholm, R. Sinkus, “Fractional acoustic wave equations from constitutive equations,” in Proc. 5th Int. Workshop on Fractional Differentiation and its Applications, Nanjing, China, May 2012
- S P Näsholm and S. Holm, “A Fractional Acoustic Wave Equation from Multiple Relaxation Loss and Conservation Laws,”
**Invited presentation**in Proc. 5th Int. Workshop on Fractional Differentiation and its Applications, Nanjing, China, May 2012 - S A Lambert, S Chatelin, S P Näsholm , S. Holm, R Sinkus, “Sub-Voxel Micro-Architecture Assessment by Diffusion of Mechanical Shear,”
**Invited presentation**in Proc. 5th Int. Workshop on Fractional Differentiation and its Applications, Nanjing, China, May 2012 - C. Diego, Á. Hernández, A. Jiménez, S. Holm and J. Aparicio, "Effect of CDMA techniques with Kasami codes on ultrasound-image quality parameters," 2012 IEEE International Instrumentation and Measurement Technology Conference, Graz, Austria, May 2012.
- S. Chatelin, S. A. Lambert, L. Jugé, X. Cai, S. P. Näsholm, V. Vilgrain, B. E. Van Beers, X. Maitre, L. E. Bilston, B. Guzina, S. Holm, and R. Sinkus, “Measured elasticity and its frequency dependence are sensitive to tissue microarchitecture in MR Elastography,” presented at Int. Soc. Magn. Res. in Med, Melbourne, May 2012.
- L. Jugé, S. A. Lambert, S. Chatelin, L. ter Beek, V. Vilgrain, B. E. Van Beers, L. E. Bilston, B. Guzina , S. Holm, and R. Sinkus, “Sub-Voxel Micro-Architecture Assessment by Diffusion of Mechanical Shear Waves,” presented at Int. Soc. Magn. Res. in Med, Melbourne, May 2012.
- A. Austeng and S. Holm, "Synthetic aperture composite focusing for high framerate medical ultrasound imaging,"
**Invited presentation**in Proc. European Conference on Synthetic Aperture Radar (EUSAR), Nuremberg, Germany, 23-26 April, 2012. - A. L. L. Ramos, S. Holm, S. Gudvangen, R. Otterlei, Real-time Vehicle Noise Cancellation Techniques for Gunshot Acoustics, SPIE Defense, Security + Sensing, Baltimore, MD, Apr. 2012.

- I. Hafizovic, C.-I. C. Nilsen, S. Holm, "Decorrelation for adaptive beamforming applied to arbitrarily sampled spherical microphone arrays," IEEE Workshop Appl. Sign. Proc. Audio and Acoust., NY, Oct 2011.
- A. Austeng, C.-I. C. Nilsen, A. C. Jensen, S. P. Näsholm, S. Holm, "Coherent Plane-Wave Compounding and Minimum Variance Beamforming," IEEE Ultrason. Symp., Orlando, FL, Oct 2011.
- A. C. Jensen, C.-I. C. Nilsen, A. Austeng, S. P. Näsholm, S. Holm, "A Multitaper Approach to Speckle Reduction for Medical Ultrasound Imaging," IEEE Ultrason. Symp., Orlando, FL, Oct 2011.
- S. P. Näsholm, A. Austeng, A. C. Jensen, C.-I. C. Nilsen, S. Holm, "Capon Beamforming Applied to Second-Harmonic Ultrasound Experimental Data," IEEE Ultrason. Symp., Orlando, FL, Oct 2011.
- S. Mehdizadeh, A. Austeng, T. F. Johansen, S. Holm, "Performance of Adaptive Beamformers for Ultrasound Imaging of a Partially Shaded Object," IEEE Ultrason. Symp., Orlando, FL, Oct 2011.
- E. García, S. Holm, J. J. García, J. Ureña, "Link Budget for Low Bandwidth and Coded Ultrasonic Indoor Location Systems," in Proc. Int Conf. Indoor Positioning and Indoor Navigation, Portugal, Sept. 2011.
- E. García, S. Holm, J. J. García, J. Ureña, Enlace ultrasónico para LPS Codificado versus LPS de Bajo Ancho de Banda, Seminario Anual de Automática, Electrónica Industrial e Instrumentación Badajoz, Spain, July 2011.
- R Sinkus, S Holm, B Guzina, SP Näsholm, Garteiser, Doblas, Van Beers, Vilgrain, “Revealing the origin of attenuation in tissue: Pure absorption or multiple scattering?” presented at Int. Soc. Magn. Res. in Med, Montreal, May 2011.
- A. L. L. Ramos, S. Holm, S. Gudvangen, R. Otterlei, Delay-and-sum Beamforming for Direction of Arrival
Estimation Applied to Gunshot Acoustics, SPIE Defense, Security + Sensing, Orlando, Florida, Apr. 2011.

- S. Holm, C.-I. Nilsen, "Robust ultrasonic indoor positioning using transmitter arrays," in Proc. Int. Conf. on Indoor Positioning and Indoor Navigation, Zurich, Sept. 2010.
- F. Prieur, P. Näsholm, A. Austeng, and S. Holm, Exploiting nonlinear propagation in echo sounders and sonar, Eur. Conf. Underwater Acoustics, Istanbul, July 2010.
- S. Holm and R. Sinkus, A unifying fractional wave equation for compressional and shear waves,”
**Invited presentation**at meeting of the Acoust. Soc. Am., Baltimore, April 2010. - Austeng, Andreas; Jensen, Are Fritz Charles; Jetlund, Safiye; Hansen, Roy Edgar; Holm, Sverre. Adaptive beamforming in active sonar imaging. Scandinavian Symposium on Physical Acoustics; Geilo, Norway, Feb. 2010.
- Prieur, Fabrice Jean Gabriel; Näsholm, Sven Peter; Austeng, Andreas; Holm, Sverre. Second harmonic imaging a possibility with sonar?. Scandinavian symposium on physical acoustics; Geilo, Norway, Feb. 2010.
- S. Holm, A unifying fractional wave equation for compressional and shear waves, Scandinavian symposium on physical acoustics; Geilo, Norway, Feb. 2010.

- K. Holfort, A. Austeng. J.-F. Synnevåg, S. Holm, F. Gran, J. A. Jensen, “Adaptive Receive and Transmit Apodization for Synthetic Aperture Ultrasound Imaging,” in Proc. IEEE Ultrasonics Symposium, Rome, Italy, Sept. 2009.
- A. Austeng, A. F. C. Jensen, J.-F. Synnevåg, C.-I. C. Nilsen, S. Holm, “Image Amplitude Estimation with the Minimum Variance Beamformer,” in Proc. IEEE Ultrasonics Symposium, Rome, Italy, Sept. 2009.
- A. E. A. Blomberg, I. K. Holfort, A. Austeng, J.-F. Synnevåg, S. Holm, J. A. Jensen, ”APES Beamforming Applied to Medical Ultrasound Imaging” in Proc. IEEE Ultrasonics Symposium, Rome, Italy, Sept. 2009.
- A. E. A. Blomberg, A. Austeng, R.E. Hansen, S. Holm, "Minimum Variance Adaptive Beamforming Applied to a Circular Sonar Array," Underwater Acoustic Measurements: Technologies & Results, Greece, June 2009.
- S. Jetlund, A. Austeng, R.E. Hansen, S. Holm, "Minimum variance adaptive beamforming in active sonar imaging," Underwater Acoustic Measurements: Technologies & Results, Greece, June 2009.
- S. Holm and R. Skramstad, "Reduction of distortion in conical horn loudspeakers at high levels," Proc. 126th AES Convention, Munich, May 2009.
- S. Holm, "Hybrid ultrasound-RFID indoor positioning: Combining the best of both worlds," IEEE Int. Conf. RFID, Orlando, FL, April 27-28, 2009.
- S. Holm, J.-F. Synnevåg, and A. Austeng, “Capon Beamforming for Active Ultrasound Imaging Systems”, in Proc. IEEE 13th DSP Workshop, Marco Island, FL, Jan. 2009.

- A. Austeng, T. Bjåstad, J.-F. Synnevåg, S.-E. Måsøy, H. Torp and S. Holm "Sensitivity of Minimum Variance Beamforming to Tissue Aberrations", in Proc. IEEE Ultrasonics Symposium, Beijing, China, Nov. 2008.
- J.-F. Synnevåg, S. Holm and A. Austeng, "Low-Complexity Data-Dependent Beamforming", in Proc. IEEE Ultrasonics Symposium, Beijing, China, Nov. 2008.

- J.-F. Synnevåg, C. I. Colombo Nilsen, and S. Holm, "Speckle Statistics in Adaptive Beamforming," in Proc. IEEE Ultrasonics Symposium, New York, USA, Oct 2007.
- S. Holm, P. K. Eide, "The frequency domain versus time domain methods for processing of intracranial pressure (ICP) signals," Abstract 13th Symposium on Intracranial Pressure and Brain Monitoring (ICP 2007), San Francisco, CA, July 2007.
- S. Holm, "Audio quality on the air in DAB digital radio in Norway," in Proc. 31st Audio Engineering Society International Conference, London, UK, June 2007.
- S. Holm, A. Austeng, J. E. Kirkebø, "Experience with sparse arrays at the University of Oslo," in Proc. 29th ESA Antenna Workshop on Multiple Beams and Reconfigurable Antennas, pp 215-218, Noordwijk, Netherlands, April 2007.

- A. Hanssen, S. Holm, Y. Birkelund, H. Hindberg and T. A. Øigård, "The sound of rock'n'roll: Analysis and modeling of valve amplifier distortion for electric guitar," 7th IMA International Mathematics in Signal Processing, Cirencester, UK, Dec. 2006.
- J.-F. Synnevåg, A. Austeng, and S. Holm, "High frame-rate and high resolution medical imaging using adaptive beamforming," in Proc. IEEE Ultrasonics Symposium, Vancouver Canada, Oct 2006.
- C. I. Nilsen and S. Holm, "Distortion-free delta-sigma beamforming with dynamic delays," in Proc. IEEE Ultrasonics Symposium, Vancouver Canada, Oct 2006.
- T. Dahl, B. C. Syversrud, S. Holm, "Source enhancement and suppression with binaural
head related impulse response functions," in Proc, IEEE Nordic Signal Proc. Conf, NORSIG 2006,
Iceland, June 2006.

- Nilsen, Carl Inge Colombo; Holm, Sverre. A Generic Acoustic Beamformer for Ultrasound, Sonar, and Microphone Arrays. Norsk Symposium i Signalbehandling 2005; Stavanger, Sept. 2005.
- P. D. Fox, J.-Y. Li, S. Holm and F. Tranquart, "Connection between X-waves, Fourier-Bessel series and optimal modelling aperture for circular symmetric arrays," in Proc IEEE Ultrasonics Symposium, Rotterdam, Netherlands, Sep. 2005.
- J. Synnevaag, A. Austeng, and S. Holm, "Minimum Variance Adaptive Beamforming Applied To Medical Ultrasound Imaging," in Proc IEEE Ultrasonics Symposium, Rotterdam, Netherlands, Sep. 2005.
- A. Rønnekleiv, J. Brungot, D. Wang, R. Bernstein, V. Jahr, K. Kjølerbakken, L. Hoff, and S. Holm, "Design of Micromachined Resonators for Fish Identification," in Proc IEEE Ultrasonics Symposium, Rotterdam, Netherlands, Sep. 2005.
- S.Holm, "Airborne Ultrasound Data Communications: The Core of an Indoor Positioning System," in Proc IEEE Ultrasonics Symposium, Rotterdam, Netherlands, Sep. 2005.
- S. Holm, O.B. Hovind, S. Rostad, R. Holm, "Indoor
data communications using airborne ultrasound,"
in Proc. IEEE
Int. Conf. Acoust., Speech, Sign. Proc. 2005, Philadelphia, PA, March 2005.

- J. E. Kirkebø, A. Austeng, S. Holm, "Layout-optimized Cylindrical Sonar Arrays", MTS/IEEE OCEANS, Kobe, Japan, Nov. 2004.
- A. Austeng, J. E. Kirkebø, S. Holm, " A Flexible Algorithm for Layout-Optimized Sparse cMUT Arrays", IEEE Int. UFFC 50th Anniversary Joint Conf., Montreal, Canada, August 2004.
- J. E. Kirkebø, A. Austeng, S. Holm, " Curved Two-Dimensional Arrays in Ultrasound", IEEE Int. UFFC 50th Anniversary Joint Conf., Montreal, Canada, August 2004.
- A. Bounaïm, S. Holm, W. Chen, Å. Ødegård,
"Mathematics in Medicine: Mathematical and Numerical Modeling of a Clinical
Technique for Breast Cancer Detection,"
**Invited talk**Int. Conf. on Mathematics and its Appl., Dept. Math. and Comp. Science, Kuwait University, Kuwait, April 2004 (abstract only). -
J. Brungot, S. Holm, L. Hoff, A. Rønnekleiv, K. M.
Kjølerbakken og V. Jahr, ”VivID –
patentert metode for merking og identifisering av fisk i
vann,” (abstract) Programkonferanse Havbruk –
produksjon av akvatiske organismer, mars 2004.

- W. Chen, A. Bounaïm, S. Holm, Å. Ødegård, X. Cai, and A. Tveito,
Mathematical and numerical modeling of medical ultrasound wave propagation: an abstract
of our project progress,
**Invited talk**at MACSI-Workshop for Numerical Simulations for Ultrasound Imaging and Inversion, St. Georgen, Austria, Nov. 21-22, 2003. - A. Bounaïm, S. Holm, W. Chen and Å. Ødegård, Simulation of the breast imaging CARI technique by a FETD approximation of ultrasound wave propagation, Proc. of World Congress on Ultrasonics, Paris, France, Sept 7-10, 2003.
- W. Chen and S. Holm, "Fractional derivative mathematical and numerical modelling of acoustic attenuations obeying arbitrary frequency power law." Sixth International Conference on Theoretical & Computational Acoustics, Honolulu, USA, Aug. 2003.
- A. Bounaïm, S. Holm, W. Chen, Å. Ødegård, "Sensitivity of the ultrasonic CARI technique for breast tumor detection using a FETD Scheme," In Ultrasonics International, Granada, Spain, June 2003.
- W. Chen and S. Holm, "Positive fractional time derivative modeling of frequency dependent acoustic." Proceedings of International Carpathian Control Conference, pp 861-864, Slovakia, May 2003.
- A. Bounaïm, S. Holm, W. Chen, Å. Ødegård, A. Tveito, and K. Thomenius, "FETD simulation of wave propagation modeling the CARI breast sonography." Int. conf. comp. science and its applications (ICCSA), in Lecture Notes in Computational Science 2668, Part. II, pp.705-714, Montreal, Canada, May 2003.
- W. Chen and S. Holm, "Fractional calculus equation models and Lévy
stable distribution for lossy media obeying a frequency power
law. Seminar on Modelling, Analysis and Numerical Solution of Problems
with Memory and After-Effect," Chester, UK, Jan 2003.

- A. Austeng, S. Holm, "The impact of 'non-half-wavelength' element spacing on sparse array optimization," Proc. IEEE Nordic Signal Processing. Conf., NORSIG-02, Norway Oct. 2002.
- J. E. Kirkebø, S. Holm, A. Austeng, " Sparse curved 2D arrays in ultrasound," Proc. IEEE Nordic Signal Processing. Conf., NORSIG-02, Norway, Oct. 2002.
- W. Chen, S. Holm, A. Bounaïm, Å. Ødegård, A. Tveito
"Frequency decomposition time-domain model of broadband
frequency-dependent absorption," Proc. 9th Workshop of the Finite Element Method
in Biomedical Engineering, Biomechanics and Related Fields, Ulm, Germany, pp. 40-48,
Jul. 2002.

- F. Vogel, S. Holm, O. C. Lingjærde, "Spectral moments and time domain representation of photoacoustic signals used for detection of crude oil in produced water", Proc. Norwegian Signal Processing. Conf., NORSIG-01, Trondheim, Norway, Oct. 2001.
- S. Holm, "Ultrasim - a toolbox for ultrasound field simulation," in Proc. Nordic Matlab Conference, Oslo, Norway, Oct. 2001.
- H. Fjellestad and S. Holm,
"Simulation of nonlinear fields from 2D ultrasound transducers and
a new secondary grating lobe phenomenon," in Proc. Nordic Symp.
on Physical Acoustics, Ustaoset, Norway, January 2001.

- A. Austeng and S. Holm, " Sparse Arrays for Real-time 3D Imaging, Simulated and Experimental Results," in Proc. IEEE Ultrasonics Symp. 2000, San Juan, Puerto Rico, Oct 2000.
- Fox, P.D., Gori, P. Cincotti, G. and Holm, S. Tuning J0 ultrasound beams in attenuating media," Proc. 2000 Nordic Signal Processing Symposium, Kolmården, Sweden, June 2000.
- S. Holm, "Sparse and irregular sampling in array processing,"
**Invited paper**in Proc. IEEE Int. Conf. Acoust., Speech, Sign. Proc. 2000, Istanbul, Turkey, June 2000. - A. Austeng and S. Holm, "Simple weighting to enhance sparse periodic arrays," in Proc. IEEE Int. Conf. Acoust., Speech, Sign. Proc. 2000, Istanbul, Turkey, June 2000.
- J.-F. Gelly, J.-M. Bureau, A. Austeng, S. Holm "2D arrays for real-time 3D medical imaging," (abstract only) presented at US Navy Workshop on Acoustic Transduction Materials and Devices, Penn State University, April 2000
- Fox, P.D. and Holm, S. "Tuning of Bessel beams on annular arrays," Proc. 25th International Acoustical Imaging Symposium, Bristol, UK, March 2000.
- Ødegård, Å., Fox, P.D., Holm, S. and Tveito, A. "Finite element modelling of pulsed Bessel beams and X-waves using Diffpack," Proc. 25th International Acoustical Imaging Symposium, Bristol, UK, March 2000.
- Ødegård, Å., Fox, P.D., Holm, S. and Tveito, A.
"Finite
element simulation of acoustic fields with Diffpack, Proc. 23rd Scandinavian
Symposium on Physical Acoustics, Ustaoset, Norway, Feb. 2000.

- A. Rønhovde, L. Yang, T. Taxt, and S. Holm, "High-resolution beamforming for multibeam echo sounders using raw EM3000 data," Proc. IEEE Oceans'99, Vol. II pp. 923-930, Seattle, Washington, Sept. 1999.
- P. Fox and S. Holm, "Effects of Parameter Mismatch in Ultrasonic Bessel Transducers," in Proc. Norwegian Signal Processing. Conf., NORSIG-99, pp. 59-64, Asker, Norway, Sept. 1999.
- A. Austeng and S. Holm, " Sparse 2D Arrays for Real-Time 3D Ultrasound," in Proc. Norwegian Signal Processing. Conf., NORSIG-99, pp. 54-58, Asker, Norway, Sept. 1999.
- J. F. Hopperstad and S. Holm,"Optimization of sparse arrays by an improved simulated annealing algorithm",Proc. Int. Workshop on Sampling Theory and Applications, pp. 91-95, Loen, Norway, August 1999.
- Fox, P.D. and Holm, S. "Decomposition of acoustic fields in quantised Bessel beams," Abstract, Ultrasonics International ’99 / 1999 World Congress on Ultrasonics Lyngby (Copenhagen), Denmark, Jun. 29 - Jul. 1, 1999
- S. Holm, "Signal
processing in two-dimensional arrays for 3-D imaging,"
**Invited presentation**, in Proc. 13th Rotterdam Symposium in Echocardiology, p. 11, June 1999. - P. Fox and S. Holm, "Fourier-Bessel analysis of mean and maximum Bessel beam quantisation in equal-area annular arrays," in Proc. 11th Nordic-Baltic Conf. on Biomedical Eng., pp. 420-421, June 1999, Tallinn, Estonia.
- S. Holm and P. Fox, "Analysis
of Bessel beam quantisation in annular arrays,",
Proc. Nordic Symp. on Physical Acoustics, Ustaoset, Norway, February 1999.

- J.-F. Synnevåg and S. Holm, "Non-linear propagation of limited diffraction beams," Proc. IEEE Ultrasonics Conf., Sendai, Japan, pp. 1885-1888, Oct. 1998.
- T. Taxt, A. Lundervold, J. Strand, and S. Holm, "Advances in medical
imaging,"
**Invited paper**in Proc. 14. Int. Conf. Pattern Recognition, Brisbane, Australia, August 1998, pp. 505-508. - P. Weber, L. Peter, A. Austeng, S. Holm, and N. Aakvaag, "1D and 2D sparse array optimization," presented at 2. Symposium on Quantitative Sonography in Clinic and Research in connection with the 3. Bilateral German - Polish Symposium on Ultrasound Measurement Methods in Science and Technology, Halle (Saale), Germany, March 1998 (abstract).
- J.-F. Hopperstad and S. Holm, "The coarray of sparse arrays with minimum sidelobe level," in Proc. IEEE Nordic Signal Processing Symposium, NORSIG-98, Vigsø, Denmark, pp. 137-140, June 1998.
- S. Holm, "Bessel
and conical beams and approximation with annular arrays,"
Proc. Nordic Symp. on Physical Acoustics, Ustaoset, Norway, February 1998.

- A. Austeng, S. Holm, P. Weber, N. Aakvaag, K. Iranpour, "1D and 2D algorithmically optimized sparse arrays," in Proc. IEEE Ultrasonics Symposium, Toronto, pp. 1683-1686, Oct. 1997.
- S. Holm and H. Yao, "Improved framerate with synthetic transmit aperture imaging using prefocused subapertures," in Proc. IEEE Ultrasonics Symposium, Toronto, pp. 1535-1538, Oct. 1997.
- S. Holm, B. Elgetun and G. Dahl, "Weight- and layout-optimized sparse arrays," Proc. Int. Workshop on Sampling Theory and Applications, Aveiro, Portugal, pp. 97-102, June 1997.
- S. Holm, "Real-time 3D medical ultrasound - Signal processing
challenges," Proc. NORSIG-97, Tromsø, Norway, pp. 124-128,
May 1997.

- S. Holm and G. Hossein Jamshidi, "Approximation of Bessel beams with annular arrays," in Proc. IEEE Ultrasonics Symposium, San Antonio, pp. 881-884, Nov. 1996.
- S. Holm, "Minimum sidelobe energy versus minimum peak sidelobe level for sparse array optimization," in Proc. IEEE Nordic Signal Processing Symposium, NORSIG-96, Helsinki, Finland, pp. 227-230, Sept. 1996.
- K.-P. Schipper, S. Holm, N. Bougharouat, P. Arbeille, F. Patat, R. Dufait, T. Kleveland, B. Angelsen, T. Skjærpe "The virtual ultrasound probe - a new key to the cardiac mass and volume analysis," in Proc. Sixth Eur. Symposium on Life Sciences Research in Space, Trondheim, Norway, pp. 327-331, June 1996.
- J. Haug, T. Knudsen and S. Holm, "Adaptive noise cancellation of self noise on sonar," in Proc. Nordic Symp. on Physical Acoustics, Ustaoset, Norway, p. 72, February 1996.
- K. Epasinghe and S. Holm, "Simulation of 3D acoustic fields on a
concurrent computer," Proc. Nordic Symp. on Physical Acoustics,
Ustaoset, Norway, pp. 4-5, February 1996.

- S. Holm and B. Elgetun, "Optimization of the beampattern of 2D sparse arrays by weighting," Proc. IEEE Ultrasonics Symposium, Seattle, WA, pp. 1345-1348, Nov. 1995.
- B. Elgetun and S. Holm, "A method to optimize weighting of general planar arrays," Proc. NORSIG-95, Stavanger, Norway, pp. 21-25, Sept 1995.
- S. Holm, "Medical ultrasound transducers and beamforming,"
**Invited paper**in Proc. 15th International Congress on Acoustics, Trondheim, Norway, June 1995, pp. 339-342. - S. Holm, "Simulation of acoustic fields from medical ultrasound
transducers of arbitrary shape," Proc. Nordic Symp. on Physical
Acoustics, Ustaoset, Norway, pp.54-57, January 1995.

- J. O. Erstad and S. Holm, "An approach to the design of sparse array systems," Proc. IEEE Ultrasonics Symposium, Cannes, pp. 1507-1510, Nov. 1994.
- L. Ødegaard, S. Holm, F. Teigen, T. Kleveland, "Acoustic field simulation for arbitrarily shaped transducers in an aberrating medium," Proc. IEEE Ultrasonics Symposium, Cannes, pp. 1535-1538, Nov. 1994.
- S. Holm, "Digital beamforming in ultrasound imaging," in Proc. IEEE
Nordic Signal Processing Symposium, NORSIG-94, Ålesund,
Norway, pp. 228-233, June 1994.

- L. Ødegaard, S. Holm, H. Torp, "Phase aberration correction applied to annular array transducers when focusing through a stratified medium," in Proc. IEEE Ultrasonics Symposium, Baltimore, pp. 1159-1162, Nov. 1993.
- S. Holm, M. Myhrum, "Modeling frequency shifts and intensity variations from in-vivo Albunex microspheres," in Proc. IEEE Ultrasonics Symposium, Baltimore, pp. 909-912, Nov. 1993.
- N. Sponheim, L. Hoff, A. Waaler, B. Muan, S. Holm, M. Myhrum, N. de Jong, T. Skotland, "Albunex - A new ultrasound contrast agent," Proc. IEE Int. Conf on Acoustic Sensing and Imaging, London, pp. 103-108, March 1993.
- S. Holm, M. Myhrum, L. Hoff, "Modelling of the ultrasound return from
Albunex microspheres," in Proc. Nordic Symp. on Physical Acoustics,
Ustaoset, 4 pages, February 1993.

- S. Huq, S. Holm, "Discrimination of speech signals and emergency position indicating radio beacon signals," Proc. Int. Conf. on Signal Processing Applications and Technology, Cambridge, Massachusetts, pp. 853-860, November 1992.
- S. Holm, M. Myhrum, L. Hoff, "Acoustic modelling of the ultrasound
return from Albunex contrast agent," presented at 7th annual
symposium on Advances in Echocardiography, Chicago, Illinois,
September 1992 (abstract).

- S. Holm, P. A. Våland, K. Eldhuset, "Performance of CESAR ERS-1 SAR prosessor," Proc. IEEE Int. Geoscience and Remote Sensing Symp., Helsinki, Finland, pp. 291-294, 1991.
- S. Holm, A. Måøy, E.-A. Herland, "Norway's ERS-1 SAR processor", Proc. IEEE Int. Conf. Geoscience and Remote Sensing, Maryland, pp. 2021-2024, 1990.
- S. Holm, A. Måøy, "Synthetic aperture radar processing facility based on a parallel supercomputer" Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing, Glasgow, Scotland, pp.1540-1543, 1989.
- S. Holm, "Singular value decomposition in autoregressive order determination", Proc. European Signal Processing Conference, Grenoble, France, pp. 1113-1116, September 1988.
- S. Holm, "Objective methods for comparing autoregressive order determining criteria," Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing, Dallas, Texas, pp. 344-347, 1987.
- S. Holm, Z.I.A. Omar, "A comparison of autoregressive order-determining criteria," Proc. European Signal Processing Conference, The Hague, The Netherlands, pp. 29- 32, 1986.
- S. Holm, "Phase errors in the cross spectrum estimate due to misalignment", Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing, Tampa, Florida, pp. 812-815, 1985.
- S. Holm, "Spectral moment matching - a rationale for maximum entropy analysis", Proc. European Signal Processing Conference, Erlangen, West Germany, pp. 479-482, 1983.
- S. Holm, "Automatic generation of mixed excitation in a linear predictive speech synthesizer", Proc. IEEE Int. Conf. Acoust., Speech, Signal Processing, Atlanta, Georgia, pp. 118-120, 1981.

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