卫星干扰源定位的位置迭代算法

Algorithm of Position Iteration for Satellite Interference Location

卫星干扰源定位系统通过测量两颗卫星对干扰源形成的不同时差和频差完成对未知干扰源的定位,但定位方程为3个非线性方程,难于求解。学者Haworth等人(1995,1997)提出了利用迭代的算法求解;然而该文的实验结果表明Haworth等人的迭代算法是发散的。该文通过详细的推导,指出了Haworth等人迭代算法的失误,修改了Haworth等人的迭代算法,并通过实验验证了修改后的迭代算法的正确性。

With differential time offset and differential frequency offset, the position of the satellite interference can be located by using two-satellite techniques. The position equations are non-linear and they are very difficult to be solved. Scholar Haworth, et al. presented an iterative algorithm. However, the position results by using their iterative algorithm were non-convergent in the experiment. The formulas given by scholar Haworth, et al. are deduced carefully in this paper and some faults of their iterative algorithm are found. Then the iterative algorithm presented by scholar Haworth, et al. is amended in this paper and the amendment is backed up with a successful measurement in the experiment.