对excel文件进行读取，并用数组形式和图的形式进行显示。统计数据中的最大值，最小值，平均值，方差。采用中值滤波，滑动平均滤波等方法去除干扰。(The excel file is read and displayed in the form of array and graph. Maximum, Minimum, Average, Variance in Statistical Data. Median filter and slid