Xuejie Ding

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The simulator design of surface target radiated noise is the key technology to test passive sonar systems, target oriented recognition and underwater soft against. The mathematical simulation model of the line and continuous spectrum in frequency domain from surface target has been established based on the description and analysis of radiated noise signal(More)
To document the association between economic development, income inequality, and health-related public infrastructure, and health outcomes among Chinese adults in midlife and older age. We use a series of multi-level regression models with individual-level baseline data from the China Health and Retirement Longitudinal Survey (CHARLS). Provincial-level data(More)
Poisson' equation has been used to mat in digital image widely, but there is less report using it in acoustic image, such as SAS image. We proposed a novel matting algorithm of Poisson' equation applied to SAS image, in the proposed algorithm, the statistics of image were studied firstly and then Markov Random Field (MRF) theory was applied to initialized(More)
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