Research and simulation analysis of laser ranging technology based on pulse compression

Juan Du; Jingguo Zhu; Chenghao Jiang; Zhi Qiao; Zhihong Hu; Kang Cao; Chunxiao Wang; Yong Zuo

doi:10.1117/12.2603168

31 August 2021 Research and simulation analysis of laser ranging technology based on pulse compression

Juan Du, Jingguo Zhu, Chenghao Jiang, Zhi Qiao, Zhihong Hu, Kang Cao, Chunxiao Wang, Yong Zuo

Proceedings Volume 11907, Sixteenth National Conference on Laser Technology and Optoelectronics; 119072T (2021) https://doi.org/10.1117/12.2603168
Event: Sixteenth National Conference on Laser Technology and Optoelectronics, 2021, Shanghai, China

Abstract

As a classic radar signal processing method, pulse compression technology can effectively increase the measurement distance while ensuring the ranging resolution, so as to achieve long-distance high-precision measurement. Waveform modulation techniques commonly used for pulse compression include linear frequency modulation and phase code modulation. In this paper, we proposed a method of laser ranging technology based on pulse compression, briefly analyzing two waveform modulation techniques and exploring the relationship between modulation bandwidth and ranging accuracy based on the linear frequency modulation ranging model. The results indicated that the ranging accuracy fluctuated greatly when the modulation bandwidth was changed. The measurement error would be stable within 10mm when the modulation bandwidth was on the order of GHz. The method would be expected to provide a certain reference for the choice of laser modulation bandwidth in the field of long-distance high-precision laser measurement.

Citation Download Citation

Juan Du, Jingguo Zhu, Chenghao Jiang, Zhi Qiao, Zhihong Hu, Kang Cao, Chunxiao Wang, and Yong Zuo "Research and simulation analysis of laser ranging technology based on pulse compression", Proc. SPIE 11907, Sixteenth National Conference on Laser Technology and Optoelectronics, 119072T (31 August 2021); https://doi.org/10.1117/12.2603168

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