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基于几何特性和辐射特性的HJ-1C星SAR图像模拟 被引量:4

HJ-1C SAR Image Simulation Based on Geometrical and Radiometric Characters
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摘要 中国自主研制的环境减灾小卫星星座中的雷达卫星(HJ-1C),频率设计在S波段,采用VV极化方式,入射角范围是25°—47°。根据HJ-1C的轨道参数和雷达传感器的系统参数,利用高精度的DEM数据(30m),结合地物分类数据(20m),综合考虑几何模型和辐射模型,模拟了该雷达卫星上的SAR图像。HJ-1C星SAR图像的模拟,使在该卫星发射前,能对数据产品有一个初步的认识,并可在雷达系统的设计和验证、图像的解译和新算法的测试等多个方面得到应用。 HJ-1C is a component of HJ satellites which are developed in China. HJ-1C SAR has a frequency of S-band, VV polarization , and incidence angle from 25°--47°. Based on configuration parameters of HJ-1C and SAR sensor, image simulation was performed using high-resolution DEM (30m) and classification data (20m) in this paper, combining geometrical and radiometric characters of SAR image. This work will give us a primary impression on HJ-1C products before the satellite being launched. Furthermore, the simulated image will benefit to the design and validation of sensor system, image interpretation and new algorithms test, etc.
出处 《遥感学报》 EI CSCD 北大核心 2006年第5期722-726,共5页 NATIONAL REMOTE SENSING BULLETIN
基金 国防科学技术工业委员会项目(编号:KJSX0303) 中国科学院百人计划项目(编号:KZCX0415) 国家教育部留学回国人员科研启动基金重点项目(编号:HX040013) 国防科学技术工业委员会项目(编号:KJSX0401)
关键词 图像模拟 SAR HJ-1C image simulation SAR H J-1 C
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参考文献8

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