激光技术2012，Vol.36Issue(5)：602-606,5.DOI:10.3969/j.issn.1001-3806.2012.05.007
1.55μm相干激光雷达系统的硬目标速度探测
Speed detection of hard targets based on 1.55μm coherent lidar systems
摘要
Abstract
In order to realize coherent detection of speed of hard targets, a coherent system was designed with a balanced detector introduced to optimize the value of the local oscillator, and the speed of a diffusive hard target was detected. The result demonstrated that the signal to noise ratio of the system was efficiently improved with the balanced detector, the average speed accuracy of the hard target was about 0. 49m/s, variance of detection was 0. 91 m/s, and this system made the coherent detection of the speed of a diffusive hard target. The outcome is useful for research of coherent wind lidar.关键词
激光技术/激光雷达/相干探测/硬目标/速度探测Key words
laser technique/ lidar/ coherent detection/ hard target/ speed detection分类
信息技术与安全科学引用本文复制引用
张飞飞,夏海云,孙东松..1.55μm相干激光雷达系统的硬目标速度探测[J].激光技术,2012,36(5):602-606,5.基金项目
国家自然科学基金资助项目(41174130) （41174130）
