High repetition frequency radar dim-small target detection tracking method based on CS-PF
A CS-PF, detection and tracking technology, applied in the detection and tracking of weak and small targets by high repetition frequency radar, and in the field of target detection and tracking, can solve the problems that cannot be adapted to the detection and tracking of weak and small targets by high repetition frequency radar
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[0085] The CS-PF method proposed by the present invention will be described in detail below with reference to the accompanying drawings.
[0086] Without loss of generality, set up a two-dimensional simulation scene, the radar monitoring area is S=[10km,120km]×[0,π / 2], the radar shutdown time K=30s, the radar scanning cycle T=1s, the radar coordinates (x s ,y s )=(0km,-10km), the standard deviation of the distance measurement error and the standard deviation of the azimuth measurement error are 0.2km and 0.0087rad respectively, the maximum unambiguous range R of the radar u , max =4.8km, the number of radar range units n R =50, the number of orientation units n B =180, the loss constant L on the radar distance R =1, the loss constant L in the azimuth B =0.0082; the number of particles used by the filter N p = 3000; the initial distribution q of the target appearance k is the uniform distribution in the entire monitoring area S, the initial distribution of PIN increment...
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