激光与光电子学进展, 1998, 35 (10): 29, 网络出版: 2006-10-18  

扫描激光雷达的视场角和角分辨率研究

Study on Angle of field-of-View and Angular Resolution of a Scanning Laser Radar
作者单位
电子科技大学应用物理研究所,成都 610054
摘要
分析了出瞳扫描方式扫描视场角与激光雷达光学系统参数的关系,认为最大扫描现场角比主天线望远镇静态视场角小。在信号过程线性的前提下,根据强度像的瑞利判据提出了扫描激光雷达角分辨率公式建议。对主要结论都进行了实验验证。
Abstract
The field-of-view of a scanning laser radar which adopts a pre-objective beam steering optical antenna is discussed - It shows that the scanning field-of-view is usually smaller than the defined field-of-view of the antenna telescope. The resolution of a scan-ning radar is also ana]ysed for the TEM00 Gaussian probe beam case. The judgements are suggested for direct and coherent detection according to the well-known Rayleigh criteri-on for human vision. Al1 conclusion are supported by our experiments.

何毅, 吴健. 扫描激光雷达的视场角和角分辨率研究[J]. 激光与光电子学进展, 1998, 35(10): 29. 何毅, 吴健. Study on Angle of field-of-View and Angular Resolution of a Scanning Laser Radar[J]. Laser & Optoelectronics Progress, 1998, 35(10): 29.

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