Title :
Sigma-delta dynamic receive beamforming
Author :
Liu, D. L Donald ; Brueske, Dan ; Willsie, Todd ; Daft, Chris
Abstract :
An architecture is described for receive beamforming using sigma-delta conversion. The effects of signal stretching to achieve dynamic receive delays are analyzed and simulated. The presented architecture provides a simple and effective solution to the dynamic receive artifacts.
Keywords :
analogue-digital conversion; array signal processing; dynamic receive artifacts; dynamic receive beamforming; dynamic receive delays; sigma-delta conversion; signal stretching effects; Array signal processing; Bandwidth; Delta-sigma modulation; Filtering; Finite impulse response filter; Noise shaping; Quantization; Sampling methods; Semiconductor device noise; Ultrasonic imaging;
Conference_Titel :
Ultrasonics Symposium, 2008. IUS 2008. IEEE
Conference_Location :
Beijing
Print_ISBN :
978-1-4244-2428-3
Electronic_ISBN :
978-1-4244-2480-1
DOI :
10.1109/ULTSYM.2008.0307
