近地炸点定位技术研究

火炮导弹等武器的精度越来越高,而与之相匹配的武器测试评估与训练系统明显滞后。针对传统的四元阵、五元阵定位精度较低,采用单基阵精确定向多基阵融合定位的原理,将小孔径基阵与无线传感网络技术结合,提出一种全天候、多环境适应性、实时性强的炮弹落炸点测量系统。介绍基于小孔径的单基阵定向部分,提出一种改进的立体五元阵,给出优化的定向算法和时延估计方法,详细分析定向误差。户外进行定位实验验证系统性能,实验结果表明,系统单基阵定向方位角小于0.52°,俯仰角小于1.33°,定向性能较好;多基阵对X、Y坐标的定位精度优于0.8 m,对Z坐标的定位精度优于1.5 m,定位精度满足工程需要。

Study on Near-ground Bombing Point Localization Technology

While precision of artillery, missiles and other weapons was getting higher, testing and training system which was matched had lagged far behind. Againsted the low location precision of traditional four-element and five-element array, used single-array to measure direction and multi-array to measure position. Combined small-aperture array with wireless sensor network technology, and put forward an all-weather, multi-environment adapting and real-time near-ground bombing point measure system. Introduced the direction system based on small-aperture array, and put forward an improved tridimensional five-element array. Given the optimized direction algorithm and time-delay estimating method, and analyzed the deviation in detail. Conducted several experiments outdoors. The results indicated that the azimuth angle was less than 0.52°and the pitching angle was less than 1.33°.In addition, the system performed well that the precision of X and Y coordinates was better than 0.8m, and Z coordinate better than 1.5m. Localization precision met the demand of engineering.