中文说明： 完整的图像处理课设，包含所有源代码，汽车图像，实现了图像的加水印，去噪，加噪声等功能，经典的灰度共生矩阵纹理计算方法，该函数用来计算任意函数的一阶偏导数(数值方法),合成孔径雷达（SAR)目标成像仿真，窗函数法设计一个数字带通FIR滤波器。
English Description：
Complete image processing class, contains all the source code, images of cars, the realization of the image watermarking, denoising, plus noise, and other functions, the classical gray co-occurrence matrix texture calculation method, the function used to calculate any function of the first order partial derivative (numerical method), synthetic aperture radar (SAR) target imaging simulation, the window function method to design a digital bandpass FIR filter.