Method of laser target echo signal identification

Dianren Chen; Huilin Jiang; Chao Zhou

doi:10.1117/12.483243

16 September 2002 Method of laser target echo signal identification

Dianren Chen, Huilin Jiang, Chao Zhou

Proceedings Volume 4929, Optical Information Processing Technology; (2002) https://doi.org/10.1117/12.483243
Event: Photonics Asia, 2002, Shanghai, China

Abstract

This thesis introduced the identifying method of the laser target echo signal from the reflector which is used as the cooperate target and the optic modulator, build a mathematical model about the laser pulse coding and modulation, decoding and demodulation. Provied a demodulation method in frequency domain which do echo signal's FF1' with DSP high speed digital signal processor, this method can solve one frequency interference that cann't be eliminated in the time domain demodulation in the OOK system ,improve the system's detecting sensitivity and decrease the fault code rate, which was proved by theoretical analysis.

Citation Download Citation

Dianren Chen, Huilin Jiang, and Chao Zhou "Method of laser target echo signal identification", Proc. SPIE 4929, Optical Information Processing Technology, (16 September 2002); https://doi.org/10.1117/12.483243

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