Ji Yu

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—The slant range of a radar maneuvering target is usually modeled as a multivariate function in terms of its illumination time and multiple motion parameters. This multivariate range function includes the modulations on both the envelope and the phase of an echo of the coherent radar target and provides the foundation for radar target motion estimation. In(More)
PURPOSE To compare surgical outcomes and complications after percutaneous nephrolithotomy (PCNL) under regional or general anesthesia. MATERIALS AND METHODS One hundred and one patients who underwent PCNL as a first-line treatment for kidney calculi between June 2004 and June 2013 were enrolled in this retrospective study. Patients were classified into(More)
BACKGROUND To describe and evaluate the effectiveness of tailored intervention on village doctor's use of electronic health records (EHR) in rural community health services in less developed areas. METHODS Ten townships were selected. In each township, two similar health service station (CHSS) were chosen. One was randomly as allocated to the intervention(More)
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