based-in-matlab-of-16QAM-modulation-

用MATLAB设计一个低通和带通滤波器,传统的数字滤波器的设计过程复杂，计算工作量大，滤波特性调整困难，影响了它的应用。本文介绍了一种利用MATLAB信号处理工具箱（Signal Processing Toolbox）快速有效的设计由软件组成的常规数字滤波器的设计方法。给出了使用MATLAB语言进行程序设计和利用信号处理工具箱的FDATool工具进行界面设计的详细步骤。(design a digital filter use matlab)

一种自适应滤波器的matlab算法，可用于仿真(An adaptive filter matlab algorithm can be used for simulation)

3个计算信道容量的源码集合，由易到难，适合初学者自学，使用迭代算法(3 Calculation of channel capacity of the source collection of easy to difficult, suitable for beginners self-study, using an iterative algorithm)

a face detection algorithm based on template matching

为《数值分析方法》第四版-中文版-电子工业出版社。书内包括英文版教材删去的补充内容，以及习题答案。对于看英文教材有困难的学习者有帮助。(For the numerical analysis method, a fourth edition-Chinese version-publishing house of electronics industry. Within the book in English teaching materials including deleting added content, and the keys of the exercises. For those learners who have difficults in watching English teaching materials ,it s helpful. )

偏微分方程数值解的matlab程序，具有较好的实用性，方便大家使用和参考。(Numerical solution of partial differential equations matlab program, with good usability, to facilitate the use and reference.)

较早的蜂窝网络定位算法，Y.T.chan算法，此算法误差较大，可做其他算法的参考(Early cellular network positioning algorithm, YTchan algorithm that error is large, do refer to other algorithms)

发送单极性码元，经过升余弦滚降，画出功率谱和眼图。(this code, or after Cosine paint power spectrum and eye diagram.)

在人脸局部图像中定位嘴的中心。MATLAB环境代码，配有实验用图。具体步骤：对输入图像进行二值化处理-标注二值图像中的连通分量-找出最大的连通分量-计算最大联通分量中心。《精通Matlab数字图像处理与识别》(The face part image is positioned in the center of the mouth. MATLAB environment code, with experimental Fig. Specific steps: input image binarization processing- marked binary images connected components- find the largest connected component- component to calculate the maximum Unicom center. " Mastering Matlab digital image processing and recognition." )

说明：  本代码提供了一个无线传感网路由协议的仿真，适合于初级学者。(This code provides a wireless sensor network simulation by the protocol, suitable for junior scholars.)