对指定音频信号进行高通滤波处理，并输出指定文件，滤波采用双线性变换法-Designated high-pass filtering the audio signal processing, and outputs the specified file, filtering using bilinear transform

使用MATLAB对图像进行操作和处理，包括图像的读取、存储、显示、格式转换、调整和显示图像像素,灰度变换、分段线性变换和直方图处理。-Using MATLAB for image manipulation and processing, including the image read, store, display, format conversion, image adjustment and display pixels, gray-scale transformation, piecew