蒙特卡罗方法分析方向图的偏移

The Analysis in Offset of Antenna Pattern with Monte-Carlo Method

文中在运用蒙特卡罗方法求解非线性方程组的基础上,对天线的主波束在一定的偏移下各个移相器取值的误差进行了分析.得到了某一组配相偏置误差;在大数据的重复试验下,计算了移相器在移相误差正态分布的情况下天线方向图的角度偏移概率,文章的最后给出了算例,求得在不影响天线性能的情况下,将信号传输过程中的随机相位偏移在应当控制的范围。

Based on solved the non-liner equations with Monte-Carlo method,this paper have a analysis in the error of the phase shifts when it have some offset of the main beam in antenna pattern and have a group of results of the errors.U- sing mass of data of the experimentations,this paper calculated probability of the main-beam's angle offset when the er- rors are under normal school.As transmitting of the signals,the range of errors in the phase shifts can be gained that from the examples in the end of this paper when the antenna works well.