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作战飞机通过配置两个干涉仪,对前向较宽区域进行精确测向。受飞机外形限制,干涉仪测向精度最高的方位并不配置在飞机正前方,但在飞机前向区域,其干涉仪覆盖区域有交叠。结合机载干涉仪典型配置,提出了一种提高机载双干涉仪公共测向区域测向精度的算法——“分组权重”的算法,利用两个干涉仪对公共测向区域的测量结果,分别配以不同的权重进行均衡,从而提高测向精度。仿真结果表明该方法可行,且在测向数据较少的情况下效果更好。
Combat aircraft through the configuration of two interferometers, the forward wide area for accurate direction finding. Due to the shape of the aircraft, the most accurate heading of the interferometer is not located directly in front of the aircraft, but the area covered by the interferometer overlaps in the area forward of the aircraft. Combined with the typical configuration of airborne interferometer, this paper proposes an algorithm to improve the accuracy of direction finding in the common direction finding area of airborne dual interferometer - “packet weighting” algorithm. The measurement of common direction finding area by two interferometers The results, respectively, with different weights for equalization, thereby improving the accuracy of the direction. The simulation results show that this method is feasible, and the result is better when there is less DF data.