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

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2 Author(s)
Wilhjelm, J.E. ; Worcester Polytech. Inst., MA, USA ; Pedersen, P.C.

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).<>

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Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:40 ,  Issue: 4 )