Microwave photonic based high-resolution ISAR imaging system for high-speed target

Zhengyuan Zhu; Shaowen Peng; Yirong Xu; Xiaoping Zheng

doi:10.1117/12.2606216

1 November 2021 Microwave photonic based high-resolution ISAR imaging system for high-speed target

Zhengyuan Zhu, Shaowen Peng, Yirong Xu, Xiaoping Zheng

Proceedings Volume 12057, Twelfth International Conference on Information Optics and Photonics; 1205732 (2021) https://doi.org/10.1117/12.2606216
Event: Twelfth International Conference on Information Optics and Photonics, 2021, Xi'an, China

Abstract

Some flying objects have high velocity between 10 to 20 Mach, causing extra Doppler dispersion in wideband LFM signal which will deteriorate the ISAR imaging resolution and quality. Also, the detection and imaging of such high-speed objects demands highly on the real-time performance of imaging compensation algorithm. This paper presents a microwave photonic based radar and its compensation algorithm by using digital signal processing. Experiments obtain a clear and high-resolution ISAR image of the high-speed target with velocity of 15Mach. The image has the resolution of 3.12cm*19.12cm, and it just needs 0.30 seconds to do the ISAR imaging.

Citation Download Citation

Zhengyuan Zhu, Shaowen Peng, Yirong Xu, and Xiaoping Zheng "Microwave photonic based high-resolution ISAR imaging system for high-speed target", Proc. SPIE 12057, Twelfth International Conference on Information Optics and Photonics, 1205732 (1 November 2021); https://doi.org/10.1117/12.2606216

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KEYWORDS

Detection and tracking algorithms

Microwave photonics

Image resolution

Imaging systems

Radar

Digital signal processing

Scattering

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