Zhonghua Bao

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In order to effectively detect moving targets in heavy sea clutter, the micro-Doppler (m-D) effect is studied and an effective algorithm based on short-time fractional Fourier transform (STFRFT) is proposed for target detection and m-D signal extraction. Firstly, the mathematical model of target with micromotion at sea, including translation and rotation(More)
BACKGROUND Several clinical trials showed inconsistent results of the effect of polyunsaturated fatty acids (PUFA) on the incidence of post-operative atrial fibrillation (POAF). The aim of this meta-analysis is to investigate the effect of PUFA on the incidence of POAF in patients undergoing cardiac surgery. METHODS AND RESULTS PUBMED, EMBASE, Cochrane(More)
This paper developed a data acquiring system, and then using this system, the ship’s electric field was measured. Based on the acquired data, the characteristics of ship’s electric field was analyzed, which can be summarized as follow: the frequency of the ship’s electric field vary from DC to more than 1,000 Hz, and mainly concentrate on the DC band,(More)
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