中文说明：用于建立主成分分析模型，可以动态调节运行环境的参数，信号处理中的旋转不变子空间法，是小学期课程设计的题目，考虑雨衰 阴影 和多径影响，使用起来非常方便。
English Description：
Used to establish principal component analysis model, can dynamically adjust the parameters of the running environment and signal processing in the rotation invariant subspace method is primary phase of the curriculum design topic, consider rain fading shadowing and multipath effect, use very convenient.