Analysis of Crosstalk Impact on the Cloude-decomposition-based Scattering Characteristic

Hu Dingsheng; Qiu Xiaolan; Lei Bin; Xu Feng

doi:10.12000/JR16129

Volume 6 Issue 2

May 2017

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Article Navigation > Journal of Radars > 2017 > 6(2): 221-228

Hu Dingsheng, Qiu Xiaolan, Lei Bin, Xu Feng. Analysis of Crosstalk Impact on the Cloude-decomposition-based Scattering Characteristic[J]. Journal of Radars, 2017, 6(2): 221-228. doi: 10.12000/JR16129

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Hu Dingsheng, Qiu Xiaolan, Lei Bin, Xu Feng. Analysis of Crosstalk Impact on the Cloude-decomposition-based Scattering Characteristic[J]. Journal of Radars, 2017, 6(2): 221-228. doi: 10.12000/JR16129

Hu Dingsheng, Qiu Xiaolan, Lei Bin, Xu Feng. Analysis of Crosstalk Impact on the Cloude-decomposition-based Scattering Characteristic[J]. Journal of Radars, 2017, 6(2): 221-228. doi: 10.12000/JR16129

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Analysis of Crosstalk Impact on the Cloude-decomposition-based Scattering Characteristic

DOI: 10.12000/JR16129

Hu Dingsheng^{①,②,③
,},
Qiu Xiaolan^{①,②
,
,},
Lei Bin^{①,②
,},
Xu Feng^④,⑤

①.
Institute of Electronics, Chinese Academy of Science, Beijing 100190, China
②.
Key Laboratory of Technology in Geo-spatial Information Processing and Application System, Beijing 100190, China
③.
University of Chinese Academy of Science, Beijing 100049, China
④.
National Disaster Reduction Center of China, MCA, Beijing 100124, China
⑤.
Satellite Disaster Reduction Application Center, MCA, Beijing 100124, China

Funds: The National Natural Science Foundation of China (61331017), The GF-3 High-Resolution Earth Observation System under Project (30-Y20A12-9004-15/16, 03-Y20A11-9001-15/16)

Received Date: 2016-11-23
Rev Recd Date: 2017-02-27

Available Online: 2017-03-30

Publish Date: 2017-04-28

Abstract

Abstract

Crosstalk is not only one of the main error sources in the polarimetric SAR system, but is also an indicator for evaluating calibration performance. In this paper, to determine the impact of crosstalk on land cover classification, we first retrieve the mathematical relation expressions between crosstalk and the Cloude-decomposition-based scattering characteristic. Then, we verify our theoretical conclusions in a semi-physical simulation based on Radarsat-2 polarimetric data for different land covers. Finally, we perform H/a/Wishart classification on the experimental data. From the ratio curve of pixels labeled differently under changing crosstalk, we can determine the crosstalk requirement that will meet the needs of specific applications.
- Polarimetric SAR,
- Calibration model,
- Crosstalk,
- H/a/Wishart classification

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References

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沈阳化工大学材料科学与工程学院沈阳 110142

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