| 基于DSP激光防撞雷达动态成像校正算法的实现 |
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| 引用本文： | 孙兵,王蔚然. 基于DSP激光防撞雷达动态成像校正算法的实现[J]. 系统工程与电子技术, 2004, 26(6): 738-740 |
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| 作者姓名： | 孙兵 王蔚然 |
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| 作者单位： | 1. 苏州大学电子信息学院,江苏,苏州,215006
2. 电子科技大学电工学院,四川,成都,610054 |
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| 摘 要： | 激光防撞雷达是给飞行员提供预警的前视系统。分析研究了激光防撞雷达动态成像的校正算法及其在DSP上的实现。首先根据激光防撞雷达动态成像的特点,分析了图像几何失真的原因及校正的重要性,给出一种动态校正的缩略算法,并对该算法进行了描述。由于算法的运算量庞大,阐明了选择DSP的必要性。最后介绍了基于TMS320C6201EVM的激光防撞雷达动态成像校正系统,并在该系统上实现了运动目标的实时校正。
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| 关 键 词： | 数字信号处理 成像 激光防撞雷达 缩略算法 |
| 文章编号： | 1001-506X(2004)06-0738-03 |
| 修稿时间： | 2003-01-07 |
Reduced amending method for laser radar obstacle avoidance system based on DSP |
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| SUN Bing,WANG Wei-ran. Reduced amending method for laser radar obstacle avoidance system based on DSP[J]. System Engineering and Electronics, 2004, 26(6): 738-740 |
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| Authors: | SUN Bing WANG Wei-ran |
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| Affiliation: | SUN Bing~1,WANG Wei-ran~2 |
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| Abstract: | The helicopter laser radar obstacle avoidance system is a foresight alert system for pilots. The imaging property of laser radar obstacle avoidance system is analyzed. To eliminate the geometric distortion of the image, it is important to filter the noise and to abstract the object without distortion. The reduced amending method is presented. Because of the heavy calculation load of the algorithm, the necessity of choosing DSP is discussed. Based on TMS320C6201 EVM, a processing system is designed by which a distorted image is divided into 8 segments for adjustment. The result is obtaimed in real time. |
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| Keywords: | DSP image laser radar obstacle avoidance system reduced amending method |
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