中文说明：相控阵天线的方向图（切比雪夫加权），连续相位调制信号(CPM)产生，对信号进行频谱分析及滤波，复化三点Gauss-lengend公式求pi，使用大量的有限元法求解偏微分方程，重要参数的提取。
English Description：
Phased array antenna pattern (weighted Chebyshev), continuous phase modulation (CPM), spectrum analysis and filtering the signal, composite three-point Gauss-lengend formula of Pi, using the large finite element method for solving partial differential equations, an important parameter extraction.