| Threshold Determination and Analysis of Laser Pulse Range Finder |
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| 引用本文： | 殷聪,韩绍坤,刘巽亮,张化朋,赵跃进. Threshold Determination and Analysis of Laser Pulse Range Finder[J]. 北京理工大学学报(英文版), 2003, 12(3): 236-239 |
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| 作者姓名： | 殷聪 韩绍坤 刘巽亮 张化朋 赵跃进 |
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| 作者单位： | DepartmentofOpticalEngineering,SchoolofInformationScienceandTechnology,BeijingInstituteofTechnology,Beijing100081,China |
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| 基金项目： | theMinisterialLevelAdvancedResearchFoundation(YJ970 4 2 ) |
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| 摘 要： | 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 dif-ferent 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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| 关 键 词： | 信号探测 阈值 电阻网络 自动噪声阈电路 激光脉冲探测器 |
| 收稿时间： | 2002-06-17 |
Threshold Determination and Analysis of Laser Pulse Range Finder |
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| YIN Cong,HAN Shao kun,LIU Xun liang,ZHANG Hua peng and 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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| Authors: | YIN Cong HAN Shao kun LIU Xun liang ZHANG Hua peng ZHAO Yue jin |
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| Affiliation: | Department of Optical Engineering, School of Information Science and Technology, Beijing Institute of Technology, Beijing 100081, China |
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| 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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| Keywords: | signal detection threshold resistor network automatic noise threshold circuit |
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