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Comment on "Multi-period Ambiguity Function of LFMCW Radar Signal"

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2010年05期
Page:
624-627
Research Field:
Publishing date:

Info

Title:
Comment on "Multi-period Ambiguity Function of LFMCW Radar Signal"
Author(s):
ZHOU Xin-gang1ZHAO Hui-chang1GAO Zhen-ru12
1.School of Electronic Engineering and Optoelectronic Technology,NUST,Nanjing 210094,China;2.Institute of Engineering Corps,PLA University of Science and Technology,Nanjing 210018,China
Keywords:
linear frequency modulated continuous wave periodic ambiguity function autocorrelation function ranges velocity
PACS:
TN957.51
DOI:
-
Abstract:
There is a wrong statement in Guo Lei’s paper "Multi-period Ambiguity Function of LFMCW Radar Signal" which is about the single period ambiguity function of linear frequency modulated continuous wave(LFMCW) radar signal,its single period and multi-period range autocorrelation and ambiguity diagram.According to the single period ambiguity function(SPAF) of the cycle modulated continuous wave(CW) signal,the SPAF of the chirp-CW is deduced,and the period ambiguity function(PAF) of the chirp-CW is obtained by the relationship between SPAF and PAF.The SPAF or the multi-PAF of LFMCW has odd number of intact "knife-edge" and two "half-knife-edge" through simulation.The periodic velocity autocorrelation function is the N(N is the periodic number) times compression of the single velocity autocorrelation function of the LFMCW signal,and the compression times is the periodic number.The periodic range autocorrelation function can be obtained by copying N times of the single periodic range autocorrelation function along the time delay axis.

References:

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Memo

Memo:
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Last Update: 2012-11-02