0 引言
1 误差分析
1.1 无人机目标定位误差
1.2 末制导炮弹无控飞行段的误差
1.3 末制导炮弹制导段的误差
2 射击概率数学模型
2.1 P1的计算公式
2.2 P2的计算公式
2.3 效能评估
3 算例分析
3.1 基本假定及基础数据
3.2 应用计算及分析
表1 P1的计算值(Em=0.8Ed,ΔF=0.6ΔD) |
| Ed/m | ΔD/m | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 50 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | |
| 50 | 1.000 0 | 1.000 0 | 1.000 0 | 1.000 0 | 1.000 0 | 0.999 9 | 0.999 7 | 0.999 0 | 0.997 2 | 0.992 8 | 0.983 3 |
| 100 | 0.999 7 | 0.999 6 | 0.999 2 | 0.998 4 | 0.996 8 | 0.994 0 | 0.989 2 | 0.981 4 | 0.969 0 | 0.950 6 | 0.924 3 |
| 150 | 0.990 7 | 0.989 8 | 0.987 1 | 0.982 4 | 0.975 2 | 0.965 1 | 0.951 4 | 0.933 4 | 0.910 3 | 0.881 3 | 0.845 8 |
| 200 | 0.955 7 | 0.954 1 | 0.949 2 | 0.941 0 | 0.929 2 | 0.913 7 | 0.894 0 | 0.870 0 | 0.841 3 | 0.807 6 | 0.768 8 |
| 250 | 0.895 0 | 0.893 1 | 0.887 3 | 0.877 7 | 0.864 1 | 0.846 4 | 0.824 7 | 0.798 9 | 0.768 9 | 0.734 9 | 0.697 0 |
| 300 | 0.818 8 | 0.816 8 | 0.811 0 | 0.801 3 | 0.787 7 | 0.770 4 | 0.749 3 | 0.724 6 | 0.696 5 | 0.665 1 | 0.630 7 |
| 350 | 0.736 6 | 0.734 8 | 0.729 5 | 0.720 6 | 0.708 3 | 0.692 6 | 0.673 7 | 0.651 7 | 0.626 9 | 0.599 5 | 0.569 9 |
| 400 | 0.655 8 | 0.654 3 | 0.649 7 | 0.642 0 | 0.631 4 | 0.618 0 | 0.601 9 | 0.583 2 | 0.562 2 | 0.539 2 | 0.514 3 |
表2 P2的计算值(Lz=0.8Lx) |
| S/m2 | DJM/m | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 500 | 1 000 | 1 500 | 2 000 | 2 500 | 3 000 | 3 500 | 4 000 | 4 500 | 5 000 | |
| 0.2 | 0.046 9 | 0.039 4 | 0.031 1 | 0.024 0 | 0.018 5 | 0.014 5 | 0.011 5 | 0.009 3 | 0.007 7 | 0.006 4 |
| 0.6 | 0.347 4 | 0.300 6 | 0.245 2 | 0.194 9 | 0.154 1 | 0.122 7 | 0.098 9 | 0.080 7 | 0.066 9 | 0.056 1 |
| 1.0 | 0.684 4 | 0.621 0 | 0.535 8 | 0.447 7 | 0.368 6 | 0.302 7 | 0.249 6 | 0.207 5 | 0.174 2 | 0.147 6 |
| 1.4 | 0.886 3 | 0.841 1 | 0.768 9 | 0.680 1 | 0.588 1 | 0.502 3 | 0.427 2 | 0.363 8 | 0.311 0 | 0.267 5 |
| 1.8 | 0.967 7 | 0.946 1 | 0.903 9 | 0.840 4 | 0.762 1 | 0.678 4 | 0.597 0 | 0.522 6 | 0.456 9 | 0.400 0 |
| 2.2 | 0.992 5 | 0.984 7 | 0.965 6 | 0.929 9 | 0.876 5 | 0.810 0 | 0.737 1 | 0.663 8 | 0.594 2 | 0.530 5 |
| 2.6 | 0.998 6 | 0.996 3 | 0.989 2 | 0.972 4 | 0.941 7 | 0.896 4 | 0.839 7 | 0.776 6 | 0.711 6 | 0.648 1 |
| 3.0 | 0.999 8 | 0.999 2 | 0.997 0 | 0.990 2 | 0.974 6 | 0.947 3 | 0.908 1 | 0.859 2 | 0.804 3 | 0.746 7 |