David M. J. Cowell

Separation of overlapping linear frequency modulated (LFM) signals using the fractional fourier transform

David M. J. Cowell, Steven Freear · IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control · 2010 · 138 citations

Source Separation, Engineering, Lfm Signal +10

Ultrasound array transmitter architecture with high timing resolution using embedded phase-locked loops

Peter R. Smith, David M. J. Cowell, Benjamin Raiton et al. · IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control · 2012 · 62 citations

Quinary excitation method for pulse compression ultrasound measurements

David M. J. Cowell, Steven Freear · Ultrasonics · 2007 · 46 citations

Medical Ultrasound, Quinary Excitation Method, Power Ultrasound +3

Phase-inversion-based selective harmonic elimination (PI-SHE) in multi-level switched-mode tone- and frequency- modulated excitation

David M. J. Cowell, Peter R. Smith, Steven Freear · IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control · 2013 · 45 citations

Multi-level Switched-mode Tone-, Harmonics Present, High Harmonic Distortion +2

Direct Digital Demultiplexing of Analog TDM Signals for Cable Reduction in Ultrasound Imaging Catheters

Thomas M. Carpenter, M. Wasequr Rashid, Maysam Ghovanloo et al. · IEEE Transactions on Ultrasonics Ferroelectrics and Frequency Control · 2016 · 34 citations · Full text

Medical Ultrasound, Medical Electronics, Direct Digital Demultiplexing +20