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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Editor: Zhizhan Xu
  • Vol. 10, Iss. 5 — May. 1, 2012
  • pp: 052801–

Improvement of signal-to-noise ratio in chaotic laser radar based on algorithm implementation

Bingjie Wang, Tong Zhao, and Huakui Wang  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 5, pp. 052801- (2012)


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Abstract

Chaotic laser radar based on correlation detection is a high-resolution measurement tool for remotely monitoring targets or objects. However, its effective range is often limited by the side-lobe noise of correlation trace, which is always increased by the randomness of the chaotic signal itself and other transmission channel noises or interferences. The experimental result indicates that the wavelet denoising method can recover the real chaotic lidar signal in strong period noise disturbance, and a signal-to-noise ratio of about 8 dB is increased. Moreover, the correlation average discrete-component elimination algorithm significantly suppresses the side-lobe noise of the correlation trace when 20 dB of chaotic noise is embedded into the chaotic probe signal. Both methods have advantages and disadvantages.

© 2012 Chinese Optics Letters

OCIS Codes
(140.1540) Lasers and laser optics : Chaos
(280.3640) Remote sensing and sensors : Lidar

ToC Category:
Remote Sensing and Sensors

Citation
Bingjie Wang, Tong Zhao, and Huakui Wang, "Improvement of signal-to-noise ratio in chaotic laser radar based on algorithm implementation," Chin. Opt. Lett. 10, 052801- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-5-052801


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