光学学报, 2014, 34 (8): 0801003, 网络出版: 2014-06-24   

光谱滤光器透射率参数对高光谱分辨率激光雷达的影响分析

Influences Analysis of the Spectral Filter Transmission on the Performance of High-Spectral-Resolution Lidar
作者单位
浙江大学光电系现代光学仪器国家重点实验室, 浙江 杭州 310027
摘要
研究了高光谱分辨率激光雷达(HSRL)中光谱滤光器透射率参数对其反演大气气溶胶光学属性精度的影响。建立了一种基于普通三通道HSRL配置的、与光谱透射率参数有关的反演误差理论分析模型,并通过蒙特卡罗(MC)算法仿真验证了该误差分析理论模型的正确性。理论模型及MC仿真结果表明,滤光器的分子信号透射率和谱分离比(SDR)越大,HSRL系统反演精度越高,并且SDR主导低海拔区域的反演精度,而分子信号透射率对高海拔区域的反演影响更明显。此结论适用于大多数具有类似的多信号通道结构的HSRL,对HSRL滤光器的选型和设计具有一定的指导意义。
Abstract
Influences of transmission parameters of the spectral filter on the retrieval accuracy for atmospheric aerosol optical properties in high-spectral-resolution lidar (HSRL) are studied. The theoretical analysis model for retrieval error estimation related to the spectral transmission parameters is established based on a general three-channel HSRL configuration and the correctness of this error analytical model is validated by Monte Carlo (MC) simulations. The model and the MC simulation results indicate that the larger the molecular transmittance and the spectral discrimination ratio (SDR) of the filter are, the larger the HSRL accuracy is. Moreover, SDR dominates the retrieval accuracy at low altitudes while the molecular transmittance attaches more influences to the retrieval accuracy at high altitudes. These results are expected to be adaptable to many HSRLs which have the similar multi-channel layout thus can provide certain guidelines to the choosing or designing of the filter.

成中涛, 刘东, 罗敬, 杨甬英, 王治飞, 周雨迪, 黄寒璐, 沈亦兵. 光谱滤光器透射率参数对高光谱分辨率激光雷达的影响分析[J]. 光学学报, 2014, 34(8): 0801003. Cheng Zhongtao, Liu Dong, Luo Jing, Yang Yongying, Wang Zhifei, Zhou Yudi, Huang Hanlu, Shen Yibing. Influences Analysis of the Spectral Filter Transmission on the Performance of High-Spectral-Resolution Lidar[J]. Acta Optica Sinica, 2014, 34(8): 0801003.

本文已被 7 篇论文引用
被引统计数据来源于中国光学期刊网
引用该论文: TXT   |   EndNote

相关论文

加载中...

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!