1-Bit Digital Correlator for Synthetic Aperture Microwave Radiometer

WANG Fei-peng; WU Ji

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1-Bit Digital Correlator for Synthetic Aperture Microwave Radiometer

更新时间：2025-07-16

- 1-Bit Digital Correlator for Synthetic Aperture Microwave Radiometer
- Acta Electronica Sinica Vol. 30, Issue 3, Pages: 450-453(2002)
- 作者机构：
  
  中科院空间科学与应用研究中心,北京,100080
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN931
- Published：2002
- 稿件说明：
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WANG Fei-peng, WU Ji. 1-Bit Digital Correlator for Synthetic Aperture Microwave Radiometer[J]. Acta Electronica Sinica, 2002, 30(3): 450-453.
DOI：

WANG Fei-peng, WU Ji. 1-Bit Digital Correlator for Synthetic Aperture Microwave Radiometer[J]. Acta Electronica Sinica, 2002, 30(3): 450-453. DOI：

摘要

微波辐射计作为一种无源遥感器

在遥感技术领域有着巨大的应用前景.传统的微波辐射计的空间分辨率受到天线孔径的限制.综合孔径微波辐射计利用了干涉测量原理和复相关技术

是一种可以有效地提高空间分辨率的新型辐射计.本文针对综合孔径微波辐射计的数字相关器进行了深入研究

分析论证了二阶量化数字相关器的工作机理

并对采用该种相关器的系统的信噪比进行了分析.初步的试验验证结果证明了该方案的有效性.

Abstract

Microwave radiometer

as a passive remote sensing instrument

has broad application potential.However

these were limited by its spatial resolution given by its physical antenna aperture size.A synthetic aperture technology employing interferometry principle with complex correlators has been considered as a new type of instrument to give improved spatial resolution.In this paper

the authors analyzed the properties of a 1-bit digital correlator.The signal to noise performance has also been given to the systems that use this technology.Preliminary tests of such a system shows that it is a considerable technology to improve the system characteristic using the traditional analog complex correlators.

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Related Author

JIANG Jing-shan

LIU Jing-yi

WANG Zhen-zhan

LU Hao

WU Ji

HUANG Yong-hui

JIANG Jing-shan

HUANG Yong-hui

Related Institution

Graduate University of Chinese Academy of SciencesBeijing 100049China

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

Graduate University of Chinese Academy of Sciences

Center for Space Science and Applied Research, Chinese Academy of Sciences

Center for Space Science and Applied Research,Chinese Academy of Sciences,Post Box No.8701

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