Jian Hua Gao

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—High-resolution wide-swath (HRWS) imaging with space-borne synthetic aperture radar (SAR) can be achieved by using az-imuth displacement phase center antenna (DPCA) technique. However , it will consequently leads to extremely high data rate on satellite downlink system. A novel sparse sampling scheme based on compressed sensing (CS) theory for azimuth DPCA(More)
Background. More and more people come to realize the importance of healthcare and early detecting of health status before becoming much more serious. Self-perceived health is an easy, economic, and effective indicator of health, which has been widely applied in measuring health. In this paper, the development and preliminary validation of the questionnaire(More)
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