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| 基于刃边法的星载相机在轨MTF测量精度分析 | |
| 引用本文： | 周川杰,吕政欣,产晓冰,李显彬.基于刃边法的星载相机在轨MTF测量精度分析[J].航天返回与遥感,2011,32(1):33-37. |
| 作者姓名： | 周川杰 吕政欣 产晓冰 李显彬 |
| 作者单位： | 1. 北京市遥感信息研究所,北京,100192 2. 北京控制工程研究所,北京,100190 3. 中科院光电技术研究所,北京,100190 |
| 摘 要： | 调制传递函数(MTF)反映可见光对地遥感系统在对地物成像过程中信号的扩散与削弱程度,是表达系统辐射性能的重要指标.文章对星载可见光CCD相机在轨MTF主要测量方法进行比对分析,通过数据仿真,重点对随机噪声、边缘探测与拟合等主要影响刃边法精度的因素进行了分析.分析结果表明,计算所用刃边法能够较准确地计算可见光遥感系统的M... |
| 关 键 词： | 可见光相机 调制传递函数 测量精度 刃边法 空间遥感 |
Analysis of On-orbit MTF Estimation for Satellite Optical Sensors with Knife-edge Method |
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| Zhou Chuanjie,Lv Zhengxin,Chan Xiaobing,Li Xianbin.Analysis of On-orbit MTF Estimation for Satellite Optical Sensors with Knife-edge Method[J].Spacecraft Recovery & Remote Sensing,2011,32(1):33-37. | |
| Authors: | Zhou Chuanjie Lv Zhengxin Chan Xiaobing Li Xianbin |
| Institution: | 1 Institute of Beijing Remote Sensing Information,Beijing 100192,China) (2 Beijing Institute of Control Engineering,Beijing 100190,China) (3 Academy of Opto-Electronics,Chinese Academy of Sciences,Beijing 100190,China) |
| Abstract: | Modulation Transfer Function(MTF) is a comprehensive and important parameter to assess the on-orbit performance of optical sensors.Firstly,this paper compares four kinds of usually used methods for on-orbit MTF estimation.Using simulation experiments,this paper focuses on analysing the main influencing factors of MTF test precision,including random noise,the edge detection accuracy and ERF curve-fitting model,and so on. The results provide strong support for requirement of knife-edge method. |
| Keywords: | Visible light camera Modulation transfer function(MTF) Measurement accuracy Edge method Space remote sensing |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |