The Error Analysis of Digital Technology in Polarimetric Microwave Radiometer

LU Hao; WANG Zhen-zhan

doi:10.3969/j.issn.0372-2112.2013.06.007

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The Error Analysis of Digital Technology in Polarimetric Microwave Radiometer

更新时间：2025-07-16

- The Error Analysis of Digital Technology in Polarimetric Microwave Radiometer
- Acta Electronica Sinica Vol. 41, Issue 6, Pages: 1084-1087(2013)
- 作者机构：
  
  1. 中国科学院空间科学与应用研究中心,北京,100190
  2. 中国科学院研究生院,北京,100049
  3. 中国科学院空间科学与应用研究中心,北京,100190
  4. 中国科学院研究生院,北京,100049
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0372-2112.2013.06.007
  CLC： TP274
- Published：2013
- 稿件说明：
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LU Hao, WANG Zhen-zhan. The Error Analysis of Digital Technology in Polarimetric Microwave Radiometer[J]. Acta Electronica Sinica, 2013, 41(6): 1084-1087.
DOI：

LU Hao, WANG Zhen-zhan. The Error Analysis of Digital Technology in Polarimetric Microwave Radiometer[J]. Acta Electronica Sinica, 2013, 41(6): 1084-1087. DOI： 10.3969/j.issn.0372-2112.2013.06.007.

摘要

全极化微波辐射计是一种用于海洋表面风场测量的新型被动微波遥感器.数字相关器是全极化辐射计的核心部件.数字相关器的应用相对于模拟相关辐射计具有可配置、集成度高和易于控制的特点.同时

数字化技术会给辐射计带来量化误差和相位抖动误差.具体的误差分析验证了全极化微波辐射计中数字化的可行性.文中详细分析了定量误差

并根据实际工程应用说明了多比特数字化带来的误差可以在系统整体误差中忽略.

Abstract

Polarimetric microwave radiometer is a new passive microwave remote sensor used to measure ocean surface wind field.Digital correlator is the core component of polarimetric radiometer.Compared to analog correlator

the digital correlator radiometer has the configurable

highly integrated and easy-to-control features/At the same time

digital technology will bring radiometer quantization error and phase jitter.Detailed error analysis is the way to verify the feasibility of digital technology in fully polarimetric microwave radiometer.The quantitative error is analyzed.According to practical application

the error caused by multi-bit digital technology can be ignored in the overall system.

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Related Institution

Center for Space Science and Applied ResearchChinese Academy of SciencesBeijing 100190China

Graduate University of Chinese Academy of SciencesBeijing 100049China

Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy of Sciences

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