Target velocity estimation with FM and PW echo ranging Doppler systems. II. Systems analysis

For part I see ibid., vol.40, no.4, pp.366-372 (1993). In Part I, the encoding of the velocity and range information into the received and demodulated signals based on transmission of coherent repetitive linear sweep signals, was discussed. In the present work, two different implementations of FM Do...

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Veröffentlicht in:	IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 1993-07, Vol.40 (4), p.373-380
Hauptverfasser:	Wilhjelm, J.E., Pedersen, P.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic transducers Biological and medical sciences Biomedical measurements Frequency measurement Investigative techniques, diagnostic techniques (general aspects) Medical sciences Miscellaneous. Technology Phase measurement Pulse measurements Signal analysis Signal resolution Time measurement Ultrasonic investigative techniques Ultrasonic transducers Ultrasonic variables measurement
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Zusammenfassung:	For part I see ibid., vol.40, no.4, pp.366-372 (1993). In Part I, the encoding of the velocity and range information into the received and demodulated signals based on transmission of coherent repetitive linear sweep signals, was discussed. In the present work, two different implementations of FM Doppler systems that can be used to obtain velocity profiles are presented. The first implementation is similar to the implementation of a conventional pulsed wave (PW) Doppler system, based on measurement of phase shift (correlation based system): the second implementation is a frequency-domain analog to the PW Doppler system, based on time shift measurements (cross correlation-based system).< >
ISSN:	0885-3010 1525-8955
DOI:	10.1109/58.251285