Numerical Simulation and Comparison with Measurements for the Correlation of Active and Passive Microwave Remote Sensing

doi:10.11834/jrs.1996005

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Numerical Simulation and Comparison with Measurements for the Correlation of Active and Passive Microwave Remote Sensing
Issue 1, (1996)
Published：1996
DOI： 10.11834/jrs.1996005
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[1]金亚秋,黄兴忠.微波兰被动遥感相关特性的数值模拟和实验对比[J].环境遥感,1996(01):38-45. DOI： 10.11834/jrs.1996005.

Numerical Simulation and Comparison with Measurements for the Correlation of Active and Passive Microwave Remote Sensing[J]. Journal of Remote Sensing, 1996, (1). DOI： 10.11834/jrs.1996005.

摘要

本文采用一层具有粗糙界面的连续随机介质模型，计算双站散射系数和后向散射系数，由互易性定理计算热发射率。数值模拟了植被在整个生长过程中后向散射和热发射的变化，以及它们的相关特征。理论结果与几种植被的主被动遥感实验数据作了比较和讨论，阐明了微波主被动遥感的一些相关的数值特征。

Abstract

Employing the model of a layer of continuous random medium with anunderlying rough surface

the bistatic scattering and back-scattering coefficients arecalculated. By using the reciprocity

the emissivity is also calculated. Numerical results simulate the change of the backscattering and emissivity of the vegetationcanopies and their correlation during whole growth period. Theoretical results arecompared with the measurements of active and passive remote sensing of severalvegetation canopies. The correlated characteristics of microwave active and passiveremote sensing are discussed.

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