Search Results - "Chang, Faguang"

Performance Analysis and System Design in GEO-LEO Bistatic SAR by Chang, Faguang, Li, Dexin, Dong, Zhen

“…The geosynchronous-low-Earth-orbit bistatic synthetic aperture radar (GEO-LEO BiSAR) adopts the transceiver split system form, in which GEO SAR serves as the…”
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An Accurate Doppler Parameters Calculation Method of Geosynchronous SAR Considering Real-Time Zero-Doppler Centroid Control by Chang, Faguang, Yu, Chunrui, Li, Dexin, Ji, Yifei, Dong, Zhen

“…The zero-Doppler centroid control in geosynchronous synthetic aperture radar (GEO SAR) is beneficial to reduce the imaging complexity (reduces range-azimuth…”
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Elevation Spatial Variation Error Compensation in Complex Scene and Elevation Inversion by Autofocus Method in GEO SAR by Chang, Faguang, Li, Dexin, Dong, Zhen, Huang, Yang, He, Zhihua

“…Due to the high altitude of geosynchronous synthetic aperture radar (GEO SAR), its synthetic aperture time can reach up to several hundred seconds, and its…”
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Elevation Spatial Variation Analysis and Compensation in GEO SAR Imaging by Chang, Faguang, Li, Dexin, Dong, Zhen, Huang, Yang, He, Zhihua, Chen, Xing

“…Due to geosynchronous synthetic aperture radar’s (GEO SAR) high orbit and low relative speed, the integration time reaches up to hundreds of seconds for a fine…”
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Reduction of RNA-dependent RNA polymerase 6 in Nicotiana benthamiana enhances gene silencing induced by Foxtail mosaic virus by Chang, Faguang, Gu, Zhouhang, Zhu, Pin, Lu, Ran, Du, Zhiyou, Liao, Qiansheng

“…RNA silencing or RNA interference in plants and animals plays essential roles in cellular defense against viral infection and abnormally expressed genes in a…”
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An Accurate 2-D Attitude Steering Method for GEO SAR Antenna With Zero Doppler Centroid by Chang, Faguang, Li, Dexin, Dong, Zhen

“…Due to Earth's rotation and the elliptical orbit of GEO SAR, the relative velocity between the ground target and the satellite is not perpendicular to the beam…”
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Block Optimization and Outlier Detection in GEO SAR Turbulent Tropospheric Error Compensation by Chang, Faguang, Li, Dexin, Dong, Zhen

“…Geosynchronous Synthetic Aperture Radar (GEO SAR) has important potential applications in the fields of atmospheric water cycle and digital weather forecast,…”
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Accurate Doppler Model Analysis of Geosynchronous SAR by Chang, Faguang, Ji, Yifei, Li, Dexin, Dong, Zhen, He, Zhihua, Chen, Xing

“…In order to reduce the difficulty of imaging in geosynchronous synthetic aperture radar (GEO SAR), it is necessary to maintain the zero-Doppler centroid…”
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Stop-Go Effect Comparison between Ultra-High Resolution LEO SAR and GEO SAR by Chang, Faguang, Li, Dexin, Dong, Zhen, Li, Zijing

“…Compared with traditional synthetic aperture radar (SAR), stop-and-go assumption model is no longer applicable in ultra-high resolution low earth orbit (UHR…”
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Video Moving Objects Detection by Minimizing the Partial Sum of Singular Values of the Matrix by Chang, Faguang, Yin, Qian, Dong, Zhen, Wang, Zhengbin, Li, Liang

“…As an important part of computer image processing technology, moving object detection has been applied more and more widely in real life, whether it is…”
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High Resolution Imaging of GEO SAR under the Influence of Terrain Elevation by Chang, Faguang, Li, Dexin, Dong, Zhen, He, Zhihua, Chen, Xing

“…The impact of terrain elevation in the imaging of the geosynchronous synthetic aperture radar (GEO SAR) system has a significant impact, but there is no clear…”
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Elevation Variation Effects Comparison between LEO and GEO SAR by Chang, Faguang, Li, Dexin, Dong, Zhen, He, Zhihua, Chen, Xing

“…Geosynchronous (GEO) orbit and low-earth-orbit (LEO) in imaging have many differences, especially for relief of undulating three-dimensional(3D) terrain, the…”
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A robust SAR image geolocation accuracy evaluation method based on road intersection feature extraction by Wang, Zhengbin, Yu, Anxi, Sun, Zaoyu, Dong, Zhen, Zhang, Ben, Chang, Faguang

“…During the evaluation of SAR image geolocation accuracy, for different checkpoint types, different degrees of errors will be introduced when determining the…”
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