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 sliding average filter are used to remove the interference.)