M-QAM_rayleigh

these are codes for thermodynamics.

说明：  一种PSO和POWELL相结合的快速搜索算法，有很强的实用性(POWELL A combination of PSO and the fast search algorithm, has a strong practical)

说明：  一个用MATLAB实现的二阶系统的编程,想望对下载的人有用(this is a small file for two order styem by MATLAB ,I hope it will be useful to your.)

Simple coordinate search algorithm

P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波 P0309：运用5种不同的梯度增强法进行图像锐化 P0310：图像的高通滤波和掩模处理 P0311：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理 P0312：利用巴特沃斯（Butterworth）高通滤波器对图像进行锐化处理(P0301: digital image data display matrix and its Fourier transform P0302: Two-dimensional discrete cosine transform image compression P0303: gray-scale transformation of the methods used to enhance image contrast P0304: Histogram of homogenization P0305: simulated images by the Gaussian white noise and salt and pepper noise P0306: A two-dimensional median filter function medfilt2 by the salt and pepper noise to the image filtering P0307: the use of MATLAB function in the noise interference of filter2 images mean filter P0308: Wehner adaptive image filtering P0309: the use of five kinds of different gradient enhanced image sharpening method P0310: the image of the high-pass filter and mask to deal with P0311: the use of Butterworth (Butterworth) low pass filter on the subject of the image noise smoothing P0312: the use of Butterworth (Butterworth) high-pass filter for sharpening images)

石川公式法计算齿轮副啮合刚度，可以画一个周期(Deputy Incident formula method to calculate gear mesh stiffness, you can draw a cycle)

LM2576/LM2576HV开关型降压稳压器电子技术手册(LM2576/LM2576HV)

无限混合模型的非监督学习算法的例程和MATLAB代码(It s a set of MATLAB m-files implementing the mixture fitting algorithm.It consists of a main MATLAB function and three auxiliary functions.)

基于K-L变换的指纹识别算法matlab实现 内含指纹库 对模式识别及matlab初学者有很大帮助(Based on k-l transform the fingerprint identification algorithm matlab containing fingerprint storehouse of pattern recognition and matlab beginners are of great help )

在Matlab环境中进行界面编程设计，代码非常齐全实用。(In the Matlab programming environment to interface design, the code is very complete and practical.)