| 机载激光扫描测距仪的性能分析 |
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| 引用本文： | 江月松,李树楷.机载激光扫描测距仪的性能分析[J].遥感学报,1998,2(3):161-165. |
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| 作者姓名： | 江月松 李树楷 |
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| 作者单位： | 中国科学院遥感应用研究所 |
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| 基金项目： | 863计划308主题,博士后基金 |
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| 摘 要： | 本文对机载激光扫描测距系统的探测信号功率、背景噪声、信噪比等性能以及它们之间的关系等进行了定量化的评估和定性的分析，探讨了探测信噪比与测量距离、恒虚警概率探测时阈值／噪声比等问题，为机载激光扫描测距系统在遥感和测绘中的使用及系统性能的改进提供了科学的参考依据，其分析方法具有普遍意义，可用于不同的机载或星载激光扫描测距系统的分析。
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| 关 键 词： | 机载激光扫描测距，探测信号，背景噪声，信噪比 |
| 收稿时间： | 5/8/1997 12:00:00 AM |
| 修稿时间： | 1998/1/22 0:00:00 |
An Analysis of Performance of the Airborne Laser Scanning Rangefinder |
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| Jiang Yuesong and Li Shukai.An Analysis of Performance of the Airborne Laser Scanning Rangefinder[J].Journal of Remote Sensing,1998,2(3):161-165. |
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| Authors: | Jiang Yuesong and Li Shukai |
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| Institution: | Institute of Remote Sensing Applications, Chinese Academy of Science Beijing 100101;Institute of Remote Sensing Applications, Chinese Academy of Science Beijing 100101 |
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| Abstract: | A method for quantitative evaluation and qualitative analysis to the performance such as detected backscattering signal, optical background noise and signal-to-noise ratio(SNR) of the airborne laser scanning rangefinder is proposed. The problems such as the relations between SNR and detected signal, background noise and detected range are discussed. The ratio of threshold-to-noise for constant probability of false alarm is also given. All of these can be used as a scientific basis for the use in the fields of remote sensing as well as surveying and for the improvement of airborne laser scanning ranging system, the analysis method can be generalized for different airborne or satellite carried laser scanning rangefinder. |
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| Keywords: | Airborne laser scanning ranging Detected signal Background noise Signal-to-noise ratio |
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