Preprint Article Version 1 This version is not peer-reviewed

Average Generalized Ambiguity Function Analysis for Passive Bistatic SAR Systems Using PSK Modulating Signal

Version 1 : Received: 7 October 2017 / Approved: 10 October 2017 / Online: 10 October 2017 (07:56:47 CEST)

How to cite: Yin, Z.; Zhang, L.; Xie, J.; Yang, J.; Deng, G.; Zeng, Z. Average Generalized Ambiguity Function Analysis for Passive Bistatic SAR Systems Using PSK Modulating Signal. Preprints 2017, 2017100059 (doi: 10.20944/preprints201710.0059.v1). Yin, Z.; Zhang, L.; Xie, J.; Yang, J.; Deng, G.; Zeng, Z. Average Generalized Ambiguity Function Analysis for Passive Bistatic SAR Systems Using PSK Modulating Signal. Preprints 2017, 2017100059 (doi: 10.20944/preprints201710.0059.v1).

Abstract

The formula of the Generalized Ambiguity Function (GAF) of passive bistatic SAR system using the non-cooperative illuminators which transmit PSK modulating signals is derived to analyze the spatial resolution of the system. The average GAF is introduced to remove the effect of particular sequence of symbols on resolution because the particular sequence of symbols is usually unpredictable before being received. The influence of the waveform parameters of the PSK modulating signals, such as length of the symbol sequence and roll-off factor, on spatial resolution is investigated by numerical simulation. It is confirmed that the influence of the length of the symbol sequence and roll-off factor is very slight but still exists.

Subject Areas

average generalized ambiguity function; passive bistatic SAR; PSK modulating signal; spatial resolution

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