BMP图像处理程序，包括模拟信道产生的高斯加性噪声；图像灰度变换；图像的拉普拉斯边缘提取；中点滤波法的debluring；图像线性模糊。

图形显示函数，包括DDA方法画直线；中点裁剪法；liang-barsky算法的窗口裁剪；种子填充算法；

随机信号处理程序，包括产生正态分布、均匀分布样本；计算其均值与方差；各样本的概率分布直方图分析；功率谱分析；样本叠加的PSD分布分析。-BMP image processing procedures, including analog channel noise generated by high-Alaska　image intensity transformation　image Laplacian edge detection　midpoint of the filtering method debluring　image linear blur. Graphics functions, including DDA method to draw lines　the mid-point cutting method　liang-barsky clipping window algorithm　seed filling algorithm　random signal processing procedures, including the generation of normal distribution, uniform distribution of samples　calculate the mean and variance　the sample histogram analysis of the probability distribution　power spectrum analysis　sample stacking PSD distribution analysis.