Real-Time Echo-Photon Detection Method Based on Motion Compensation and Robust Estimation

Zhang Yan1,2 Shi Qianqian1,2 Wang Kunpeng1,2 Zhao Peng1,2

(1.Beijing Institute of Tracking and Telecommunications Technology, Beijing, China 100094)
(2.Key Laboratory of Space Object Measurement, Beijing, China 100094)

【Abstract】According to the error characteristics of the echo of diffuse reflection laser ranging, a real-time echo-photon detection method is proposed based on the motion compensation and robust estimation. By using motion compensation, one can increase the number of accumulation photons to provide a reliable initial value. Based on this, by adoption of robust estimation scheme to remove gross errors of observation data, one can realize the real-time online detection of echo photon effectively. Experiment results show that, under the condition of low signal-to-noise ratio, the method can not only suppress the impact of noises, but also effectively solve the real-time signal detection problem in diffuse reflection laser ranging.

【Keywords】 measurement; diffuse reflection laser ranging; motion compensation; sliding polynomials; robust estimation;


【Funds】 Pre-research Project of the Original General Armament Department

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(Translated by caizhijian)


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This Article


CN: 31-1252/O4

Vol 37, No. 02, Pages 134-143

February 2017


Article Outline


  • 1 Introduction
  • 2 Error analysis of the diffuse reflection laser ranging
  • 3 Real-time detection method
  • 4 Verification of measured data
  • 5 Conclusion
  • References