Study on resolution characteristic of bistatic RCS measurement based on ambiguity function

Feiliang Liu; Yang Bai; Chao Gao; Ming Lv

doi:10.1117/12.2580155

5 November 2020 Study on resolution characteristic of bistatic RCS measurement based on ambiguity function

Feiliang Liu, Yang Bai, Chao Gao, Ming Lv

Proceedings Volume 11567, AOPC 2020: Optical Sensing and Imaging Technology; 115673B (2020) https://doi.org/10.1117/12.2580155
Event: Applied Optics and Photonics China (AOPC 2020), 2020, Beijing, China

Abstract

For bistatic RCS (Radar Cross Section, RCS) measurements, when the target is away from the base line its range resolution and Doppler resolution of radar are close to those of monostatic radar, when the target is in the vicinity of baseline, the shape of bistatic radar ambiguity function is stretched and target resolution is significantly reduced, and the target is at baseline, the resolution will be infinite, and there is no way to distinguish tested target. This paper tries to make an estimate and optimize test condition to ensure the best position resolution take into account transmitting antenna position, receive antenna position, target position and transmission signal bandwidth by simulated annealing algorithm before testing. Meanwhile, two waveform’ optimized result were compared, and the measurement model was found to fit the best parameter to the current bistatic measurement environment to ensure the bistatic RCS measurement accurate.

Citation Download Citation

Feiliang Liu, Yang Bai, Chao Gao, and Ming Lv "Study on resolution characteristic of bistatic RCS measurement based on ambiguity function", Proc. SPIE 11567, AOPC 2020: Optical Sensing and Imaging Technology, 115673B (5 November 2020); https://doi.org/10.1117/12.2580155

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KEYWORDS

Radar

Antennas

Algorithms

Doppler effect

Detection and tracking algorithms

Solids

Annealing

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