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In radar tracking, the relationship between target motion and radar measurement is nonlinear, which is described by conversion function from polar to Cartesian coordinate. In this paper, based on information entropy, a new method is presented to measure the amount of target Cartesian position information acquired from radar polar coordinate. Furthermore, by applying linear approximation and without...
Radar sensor is a promising candidate for space surveillance, providing timely assessment of space objects and events. Weak space target tracking is a challenging conundrum mainly because of the low detection probability and poor measurement accuracy. In this study, a novel method of weak space target tracking assisted by strong space target is proposed. By introducing the relative motion tracking,...
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