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Article Navigation> JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY> 2003> 12(3): 236-239
YIN Cong, HAN Shao kun, LIU Xun liang, ZHANG Hua peng, ZHAO Yue jin. Threshold Determination and Analysis of Laser Pulse Range Finder[J]. JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2003, 12(3): 236-239.
Citation: YIN Cong, HAN Shao kun, LIU Xun liang, ZHANG Hua peng, ZHAO Yue jin. Threshold Determination and Analysis of Laser Pulse Range Finder[J].JOURNAL OF BEIJING INSTITUTE OF TECHNOLOGY, 2003, 12(3): 236-239.
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Threshold Determination and Analysis of Laser Pulse Range Finder

  • Department of Optical Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing100081, China

Funds:theMinisterialLevelAdvancedResearchFoundation(YJ97042)
  • Received Date:2002-06-17
    Abstract
  • Under different conditions, the highest detection probability should be acquired while receiving laser echo during laser pulse range finding. The threshold voltage of the signal detection can be set corresponding to different conditions by using resistor network. As a feedback loop, automatic noise threshold circuit could change the threshold voltage following the noise level. The threshold can track the noise closely, rapidly and accurately by adopting this combination. Therefore, the receiving capability of laser echo receiving system will be maximized, and it can detect weaker laser pulse from noise.
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    • References (4)
  • [1]
    Y in Cong,Han Shaokun,Liu Xunliang,et al.T o improve the accuracy of laser pulse range finding by timescale up[J].Jour nal of Beijing Institute of T echnolo gy,2002,11(3):259-262.
    [2]
    L iu Y ouheng.Signal detection and estimation[M].Beijing:People s Post and T elecommunications PublishingHouse,1989.(in Chinese)
    [3]
    Dunne G.Auto matic noise threshold determining circuitand method for a laser range finder[P].U SP:5612779,1997 03 01.
    [4]
    Zeng Q ing yong.Weak signal detection.2nd ed[M].Hang zhou:Zhejiang U niv ersity Publishing House,1994.(in Chinese)
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