An Improved Geometric Calibration Model for Spaceborne SAR Systems With a Case Study of Large-Scale Gaofen-3 Images

An Improved Geometric Calibration Model for Spaceborne SAR Systems With a Case Study of Large-Scale Gaofen-3 Images

Synthetic aperture radar (SAR) image positioning is commonly affected by factors such as platform instability, aging of onboard instruments, and changing observation environments. Thus, geometric calibration is needed to improve the accuracy of image positioning before mapping and application. An im...

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Bibliographic Details
Main Authors: Yongjiu Feng, Zhenkun Lei, Xiaohua Tong, Mengrong Xi, Pengshuo Li
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Subjects:
Atmospheric delay correction
geometric calibra- tion
grouped calibration
synthetic aperture radar
Yangtze river delt
Online Access:https://ieeexplore.ieee.org/document/9857577/

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