Mutual coupling model and calibration method for synthetic aperture microwave radiometer
Author(s): GUO Qiang XIE Li-zi FENG Xiao-hu LIN Wei-xia ZHANG Zhi-qing ZHANG Yong
Pages: 122-127
Year: 2012 Issue: 1
Journal: Chinese Journal of Radio Science
Keyword: synthetic aperture; microwave radiometer; mutual coupling; calibration; antenna matching;
Abstract: 利用阻抗参数法分析天线互耦,根据综合孔径微波辐射成像原理,通过耦合矩阵建立了综合孔径微波辐射计互耦模型。用给出的模型,对互耦引起的反演亮温失真和校正方法进行了深入的理论分析,并给出通过优化天线匹配网络减小互耦影响的方法。仿真结果表明了互耦模型和校正方法的有效性,清晰地反映了互耦造成的反演误差。
Pages: 122-127
Year: 2012 Issue: 1
Journal: Chinese Journal of Radio Science
Keyword: synthetic aperture; microwave radiometer; mutual coupling; calibration; antenna matching;
Abstract: 利用阻抗参数法分析天线互耦,根据综合孔径微波辐射成像原理,通过耦合矩阵建立了综合孔径微波辐射计互耦模型。用给出的模型,对互耦引起的反演亮温失真和校正方法进行了深入的理论分析,并给出通过优化天线匹配网络减小互耦影响的方法。仿真结果表明了互耦模型和校正方法的有效性,清晰地反映了互耦造成的反演误差。
Citations
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