复化三点Gauss-lengend公式求pi，一个很有用的程序，处理信号的时频分析，采用波束成形技术的BER计算，多元数据分析的主分量分析投影，GPS和INS组合导航程序，采用偏最小二乘法，isodata 迭代自组织的数据分析。- Complex of three-point Gauss-lengend the Formula pi, A very useful program, When processing a signal frequency analysis, By applying the beam forming technology of BER Principal component analysis of multivariate data analysis projection, GPS and INS navigation program, Partial least squares method, Isodata iterative self-organizing data analysis.