| 提高短距离脉冲式激光测距精度的研究 |
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| 引用本文： | 王雪祥,严高师,张弛,张璁. 提高短距离脉冲式激光测距精度的研究[J]. 光学技术, 2009, 35(5) |
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| 作者姓名： | 王雪祥 严高师 张弛 张璁 |
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| 作者单位： | 电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054 |
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| 摘 要： | 脉冲式激光测距机因其结构简单、非合作目标、测量速度快、测量距离远等特点,被广泛应用于军事,遥感,工程建设等领域。但脉冲激光测距在短距离(100m内)测量中相对误差较高,大大限制了脉冲激光测距在短距离测距中的应用。针对短距离脉冲激光测距误差进行分析,采用单片机控制TDC-GP2芯片在一个测量周期内进行多次测量,然后通过单片机计算取其平均值后输出,结合自动增益控制(AGC)技术、温度控制技术、以及雪崩二极管(APD)接收放大技术等,大大地提高了短距离脉冲激光测距的精度。
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| 关 键 词： | 激光测距 脉冲 噪声 带宽 误差 精度 |
The reaserch to improve the precision of the laser pulse ranging in short distance |
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| WANG Xue-xiang,YAN Gao-shi,ZHANG Chi,ZHANG Cong. The reaserch to improve the precision of the laser pulse ranging in short distance[J]. Optical Technique, 2009, 35(5) |
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| Authors: | WANG Xue-xiang YAN Gao-shi ZHANG Chi ZHANG Cong |
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| Affiliation: | School of Optoelectronic Information;University of Electronics Science and Technology of China;Chengdu 610054;China |
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| Abstract: | The laser pulse ranging is used in military,remote sensing,engineering construction and so on,for it's simple structure,non-cooperative target,the far measuring distance and the quickly measuring speed.Because the laser pulse ranging relative error is high,the application in short distance is restricted.The error of the laser pulse ranging in short distance is analyzed.By using the MCU to control TDC-GP2 chip for repeated measurements in a measurement cycle,the average is calculated and output by MCU.With t... |
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| Keywords: | laser ranging pulse noises band width error precision |
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