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Proceedings Paper

Research on design and simulation of a FM/cw lidar system
Author(s): Jiguang Zhao; Zhiquan Zhang; Chen Deng
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Paper Abstract

The FM/cw lidar has the advantages of narrow receive bandwidth, non-range-ambiguity, enhanced ability of anti-jamming etc. A summary of FM ranging theory is introduced. The FM/cw lidar system is designed with the incoherent detection approach, which contained the transmitter, receiver and signal processing system, the system complexity and realization difficulty are reduced significantly. The transmitter is consisted of chirp signal generate module, laser modulate system and laser transmit subsystem. Receiver is consisted of receive optical system, photo electricity detector, amplifier and mixing. Signal process system is consisted of lowpass, IF amplifier, signal collecting and processing system. The main affect factors are analyzed, the modulate depth and mixing efficiency effect to the detection capability are simulated, which are the special to the FM/cw lidar based on the designed FM/cw lidar system. The simulation results indicate that the detection capability can be improved efficiently by enhance the modulate depth and mixing efficiency. The research results establish the theory and realization basic to the research on the FM/cw lidar.

Paper Details

Date Published: 28 August 2009
PDF: 7 pages
Proc. SPIE 7382, International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging, 738230 (28 August 2009); doi: 10.1117/12.835662
Show Author Affiliations
Jiguang Zhao, The Academy of Armored Forces Engineering (China)
Zhiquan Zhang, The Academy of Armored Forces Engineering (China)
Chen Deng, The Academy of Command and Technology (China)

Published in SPIE Proceedings Vol. 7382:
International Symposium on Photoelectronic Detection and Imaging 2009: Laser Sensing and Imaging
Farzin Amzajerdian; Chun-qing Gao; Tian-yu Xie, Editor(s)

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