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On the use of high order ambiguity function for multicomponent polynomial phase signals

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2 Author(s)
Yang Wang ; Sch. of Math., Georgia Inst. of Technol., Atlanta, GA, USA ; Zhou, G.

Nonstationary signals appear often in real-life applications and many of them can be modeled as polynomial phase signals (PPS). The high-order ambiguity function (HAF) was first introduced to estimate the parameters of single component PPS. But due to its high nonlinearity, HAF has not been widely used for multi-component PPS which appear, for example, in Doppler radar applications when multiple targets are tracked simultaneously. We present a theory in this paper that HAF is virtually additive for multi-component PPS and illustrate our findings with numerical simulations

Published in:

Acoustics, Speech, and Signal Processing, 1997. ICASSP-97., 1997 IEEE International Conference on  (Volume:5 )

Date of Conference:

21-24 Apr 1997