摘要
首先介绍了GPS信号的特点和功率倒置阵的特点 ,说明在GPS抗干扰中功率倒置阵的实用性。在此基础上采用LMS算法计算功率倒置阵的权值并画出最优加权下的阵的方向图 ,表明在存在干扰情况下 ,功率倒置阵能自动在干扰方向形成方向图零陷 ,从而达到抑制干扰的目的。
It is proved that the power inversion adaptive array is a useful apparatus used in GPS anti-interference receiving system. The algorithm can be used in arrays of different patterns with no change. The results of the simulation show that the array will automatically generate a null in its direction pattern correspond to the DOA of the interference, and achieve the purpose of anti-interference.
出处
《全球定位系统》
2004年第5期40-43,共4页
Gnss World of China
