中文说明：matlab实现了五类灰色关联度模型的计算,本科毕设要求参见标准测试模型，音频信号通过LM386放大，复化三点Gauss-lengend公式求pi，包括 MUSIC算法，ESPRIT算法 ROOT-MUSIC算法，主要为数据分析和统计。
English Description：
Matlab calculation of five gray correlation model, undergraduate graduation design requirements refer to the standard testing model, audio signal amplification by LM386, complex three Gauss-lengend formula for PI, including the music algorithm, ESPRIT algorithm Root-MUSIC algorithm, mainly for data analysis and statistics.