| 一种提高移动式超声波测距系统测距精度的方法 |
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| 引用本文： | 白伟.一种提高移动式超声波测距系统测距精度的方法[J].吉林工程技术师范学院学报,2009,25(6):66-69. |
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| 作者姓名： | 白伟 |
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| 作者单位： | 吉林工程技术师范学院,信息工程学院,吉林,长春,130052 |
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| 摘 要： | 本文分析了移动式超声波测距系统相对被测目标静止及运动测距时，影响测距精度的诸多因素，阐述了相关参数算法及测距系统对回波信号的检测与数据处理的过程。经实际系统测试，其测距精度大有提高，表明了该系统实际应用的可行性。
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| 关 键 词： | 测距 多普勒效应 温度校正 锁相环 |
A Method of Improving Ranging Precision of Mobile Ultrasonic Distance Measurement System |
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| BAI Wei.A Method of Improving Ranging Precision of Mobile Ultrasonic Distance Measurement System[J].Journal of Jilin Teachers Institute of Engineering and Technology(Natural Sciences Edition),2009,25(6):66-69. |
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| Authors: | BAI Wei |
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| Institution: | BAI Wei (Information Engineering College, Jilin Teachers Institute of Engineering and Technology, Ghangchun Jilin 130052, China) |
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| Abstract: | This article analyzed many factors of influencing ranging precision of mobile ultrasonic distance measurement system which in the rest posture and movement, and elaborated the process of the interrelated parameter arithmetic and distance measurement system in detection and data processing of echo signal. It is tested and proved that the ranging precision improves greatly, and the system has the feasibility of practical application. |
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| Keywords: | distance measurement Doppler Effect temperature correction PLL |
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