首页|Track-before-detect for bistatic radar based on pseudo-spectrum
Track-before-detect for bistatic radar based on pseudo-spectrum
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NETL
NSTL
万方数据
维普
Track-Before-Detect(TBD)is an efficient method to detect dim targets for radars.Con-ventional TBD usually follows an approximate motion model of the target,which may cause an inaccurate integration of the target energy.A TBD technique on basis of pseudo-spectrum in mixed coordinates adopting an accurate motion model for bistatic radar system is developed in this paper.The predicted position in bistatic polar plane is derived according to a nonlinear function that exactly describes the constant Cartesian velocity motion.Then around the predicted position,a pseudo-spectrum is formulated and its samples are accumulated to the integration frame for energy integration.The evolution of the state and the procedure of accumulation of the target energy are derived elaborately.The superior performance of the proposed method is demonstrated by some simulations.
NETL
NSTL
万方数据
维普
