高分四号静止轨道卫星高精度在轨几何定标

高分四号是世界上第一颗静止轨道高分辨率光学遥感卫星,高精度的几何定标是确保其成像几何质量的关键。本文分析了静止轨道卫星成像几何误差源及成像区域特点,提出了其严格几何成像模型;并在此基础上提出了静止轨道卫星面阵传感器在轨几何定标模型与定标参数估计方案。本文利用Landsat 8数字正射影像与GDEM2数字高程模型对高分四号卫星进行在轨几何定标,结果表明,通过严格的几何定标,可见光近红外传感器与中红外传感器的内部畸变在沿轨与垂轨方向上均稳定优于1个像素,通过统计分析可知,高分四号静止轨道卫星影像的绝对定位精度会受到成像时间与成像角度的影响而存在显著的波动。...

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Bibliographic Details
Published inCe hui xue bao Vol. 46; no. 1; pp. 53 - 61
Main Author 王密 程宇峰 常学立 龙小祥 李庆鹏
Format Journal Article
LanguageChinese
English
Published Beijing Surveying and Mapping Press 2017
武汉大学测绘遥感信息工程国家重点实验室,湖北武汉,430079%武汉大学资源与环境科学学院,湖北武汉,430079%中国资源卫星应用中心,北京,100094
Subjects
Accuracy
Aerospace environments
Airships
Calibration
Geometric accuracy
Image quality
Landsat
Landsat satellites
Parameter estimation
Remote sensing
Satellite imagery
Satellites
Sensor arrays
Sensors
Synchronous satellites
内部精度
几何定标
定位精度
静止轨道卫星
高分四号
内部精度
定位精度
高分四号
geometric calibration
internal accuracy
geostationary satellite
静止轨道卫星
GF4 satellite
positioning accuracy
几何定标
Online AccessGet full text
ISSN1001-1595
1001-1595
DOI10.11947/j.AGCS.2017.20160300

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Summary:高分四号是世界上第一颗静止轨道高分辨率光学遥感卫星,高精度的几何定标是确保其成像几何质量的关键。本文分析了静止轨道卫星成像几何误差源及成像区域特点,提出了其严格几何成像模型;并在此基础上提出了静止轨道卫星面阵传感器在轨几何定标模型与定标参数估计方案。本文利用Landsat 8数字正射影像与GDEM2数字高程模型对高分四号卫星进行在轨几何定标,结果表明,通过严格的几何定标,可见光近红外传感器与中红外传感器的内部畸变在沿轨与垂轨方向上均稳定优于1个像素,通过统计分析可知,高分四号静止轨道卫星影像的绝对定位精度会受到成像时间与成像角度的影响而存在显著的波动。
Bibliography:geostationary satellite; GF; satellite; geometric calibration; internal accuracy; positioning accuracy
WANG Mi1 ,CHENG Yufeng1 ,CHANG Xueli2 ,LONG Xiaoxiang3 ,LI Qingpeng3（1. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China; 2. School of Resource and Environment Sciences, Wuhan University, Wuhan 430079, China;3. China Centre for Resources Satellite Data and Application, Beijing 100094, China）
11-2089/P
GF4 satellite is the first high resolution optical geostationary satellite for remote sensing in the world, and the high accuracy geometric calibration is the key factor for the geometrical quality of satellite imagery. The positioning errors and the features of imaging region of GF4 were analyzed, the rigorous imaging model was introduced. Then on orbit calibration model and parameters estimation method were introduced for planar array sensor of GF4 satellite. The experiments used the DaM of Landsat 8 and DEM of GDEM2 for the on-orbit
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ISSN:1001-1595
1001-1595
DOI:10.11947/j.AGCS.2017.20160300