SAR Internal Calibration

LIANG Huai-ning; JIN Ting-man; ZHAO Yi

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SAR Internal Calibration

更新时间：2025-07-16

- SAR Internal Calibration
- Acta Electronica Sinica Vol. 35, Issue 12, Pages: 2294-2297(2007)
- 作者机构：
  
  中国科学院电子学研究所,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN958
- Published：2007
- 稿件说明：
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LIANG Huai-ning, JIN Ting-man, ZHAO Yi. SAR Internal Calibration[J]. Acta Electronica Sinica, 2007, 35(12): 2294-2297.
DOI：

LIANG Huai-ning, JIN Ting-man, ZHAO Yi. SAR Internal Calibration[J]. Acta Electronica Sinica, 2007, 35(12): 2294-2297. DOI：

摘要

分析了SAR内定标技术与内定标精度分析.讨论了SAR集中收发式的内定标技术

推导内定标状态下系统总功率和总功率变化量的表达式、系统增益和系统增益变化量的表达式;SAR内定标信号的处理;SAR内定标精度分析;最后完成对某地区SAR图像数据的灰度校正.

Abstract

This paper discusses SAR Internal Calibration (SIC) Technique in TWT transmitter SAR system.Firstly

the SIC algorithm is presented.The following section focuses on the SIC signal processing and precision analysis.Finally

a SAR image data is corrected by the algorithm mentioned above.The next paper will discuss the internal calibration scheme based on transmogrification electrical bridge principle.

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