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Synthetic aperture Radar tomography has been widely used in 3D reconstruction in urban area. It can distinguish multi persistent scatterers in the same range-azimuth resolution cell. But how to detect and estimate the number and parameters of persistent scatterers is still an important and difficult problem need to be resolved. In this paper, a new method based on RELAX and generalized likelihood...
This paper addresses mobile terminal (MT) relaying in order to improve the performance of mobile satellite broadcasting. It considers selective decode-and-forward (SDF) relaying with BICM-OFDM air interface. The BER upper bound was derived for the threshold-based SDF relaying in Rician fading channels. The suboptimal SNR threshold was then obtained by minimising this analytical upper bound. This scheme...
Traditional infrared detection system has small viewing field and low scanning speed, a new all-directional IRST system with high scanning speed is designed, which quickly images the whole spherical airspace on the infrared sensors by the reflector circumrotating in pitching and azimuth with high speed. The real-time processing system for high speed input images is constructed based on the processor...
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