| 基于AD500-9激光测距系统的设计 |
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| 引用本文： | 张艳香,陈梦苇,万小强. 基于AD500-9激光测距系统的设计[J]. 吉林大学学报(理学版), 2015, 53(4): 773-778 |
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| 作者姓名： | 张艳香 陈梦苇 万小强 |
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| 作者单位： | 1. 吉林省教育学院 教研培训部, 长春 130022； 2. 武汉理工大学 理学院, 武汉 430070 |
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| 摘 要： | 基于AD500-9型雪崩光电二极管设计以窄脉冲发射、 雪崩光电二极管偏置、 弱光信号处理和计时电路为主要结构的激光测距系统. 利用标准时基发生器对计时电路进行验证, 采用线性拟合方法使时间测量的精度为10-10量级. 采用软件校准方法将测距实验中的测量误差控制在±0.1 m以内, 并对误差进行分析.
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| 关 键 词： | 雪崩光电二极管 偏置电路 激光测距 微弱光电信号处理 |
| 收稿时间： | 2015-03-16 |
Design of Laser Ranging System Based on AD500-9 |
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| ZHANG Yanxiang,CHEN Mengwei,WAN Xiaoqiang. Design of Laser Ranging System Based on AD500-9[J]. Journal of Jilin University: Sci Ed, 2015, 53(4): 773-778 |
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| Authors: | ZHANG Yanxiang CHEN Mengwei WAN Xiaoqiang |
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| Affiliation: | 1. Department of Research and Training, Jilin Provincial Institute of Education, Changchun 130022, China;2. School of Science, Wuhan University of Technology, Wuhan 430070, China |
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| Abstract: | Laser ranging system was designed based on AD500-9. The system is composed of four parts: narrow pulse laser emission circuit, APD bias circuit, weak photo electricity signal processing circuit, and time measurement circuit. The timing circuit was tested and verified with self designed standard timing generator. It has realized 10-10 level time measurement via linear fitting. The analysis shows the distance measurement error is limited to ±0.1 m in outdoor ranging experiment by software calibration method. |
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| Keywords: | avalanche photo diode(APD) bias circuit laser ranging weak photo electricity signal processing |
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