基于運(yùn)動(dòng)特性約束的中段目標(biāo)群角軌跡關(guān)聯(lián)算法
[Abstract]:It is one of the core and difficult problems of space-based tracking and monitoring system to correlate the angular trajectory of middle target group. The commonly used correlation method based on dip angle only uses the geometric constraint method between the target and the sensor. The geometric constraint method has the advantages of simple calculation and independent of the target's motion characteristics, but the correlation can be greatly affected by the observed geometric relationship. In the middle target group scene, the correlation effect is not ideal. In this paper, a angular trajectory correlation algorithm based on the motion characteristics of middle target group is proposed. First, the motion model and angular trajectory measurement model of the middle target group are given. Secondly, the likelihood function of the middle target group is constructed as the cost factor, and the angular trajectory correlation algorithm based on two-dimensional assignment is adopted. Then the Mont Carlo simulation test is carried out to verify the performance of the algorithm from three aspects: angular trajectory length, line of sight measurement error and warhead decoy spacing. The results show that the proposed algorithm can achieve good correlation performance.
【作者單位】: 國(guó)防科技大學(xué)電子科學(xué)與工程學(xué)院;
【基金】:國(guó)家自然科學(xué)基金(61605242)
【分類號(hào)】:TJ86;TP212
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