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基于虚拟仪器的混沌激光雷达距离速度测量
发表时间：2009-10-31 浏览量：2164 下载量：911
| 全部作者： | 李海忠，王云才，龚天安，王安帮 |
| 作者单位： | 太原理工大学理学院 |
| 摘 要： | 基于虚拟仪器技术，用类噪声混沌激光的相关特性实现对目标距离的测定，进而利用时间间隔法得出动态目标的实时速度。针对系统对采集速率较快的要求，利用示波器采集频带宽、灵敏度高、抗干扰性强的优点，通过带有通用接口总线（general purpose interface bus，GPIB）接口的示波器实现数据采集。实验中，以镜子为假想待测目标物，进行了距离和速度测量，利用Labview程序实现信号的采集、处理和显示。实验表明：借助虚拟仪器混沌激光雷达能够对目标物实现快速实时的距离速度联合测量。 |
| 关 键 词： | 计算机应用；激光雷达；混沌；测距；测速；虚拟仪器；数据处理 |
| Title： | Measurement of chaotic lidar range and velocity based on virtual instrument |
| Author： | LI Haizhong, WANG Yuncai, GONG Tianan, WANG Anbang |
| Organization： | College of Sciences, Taiyuan University of Technology |
| Abstract： | Based on virtual instrument, the paper studies the ranging and real-time velocity measurement of target using time-interval measurement, with the correlation characteristics of broad bandwidth and noise-like chaotic laser. With the rapid data acquisition rate requirement of ranging system, the merits of oscilloscope about acquisition bandwidth, sensitivity and anti-interference were used. Data acquisition was realized by use of oscilloscope with general purpose interface bus (GPIB) interface. The range and velocity of the target was measured in the experiment, and data acquisition, processing and display were realized by the software of Labview. The results indicated that the chaotic lidar could accomplish the measurement of the range and velocity of a target rapidly by virtue of the virtual instrument. |
| Key words： | computer application; lidar; chaos; ranging; velocity measurement; virtual instrument; data processing |
| 发表期数： | 2009年10月第20期 |
| 引用格式： | 李海忠，王云才，龚天安，等. 基于虚拟仪器的混沌激光雷达距离速度测量[J]. 中国科技论文在线精品论文，2009，2（20）：2150-2154. |
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