MATLAB录音并播放

RII:Transform lowpass filters to highpass

构建一个理想信道基本QPSK仿真系统,仿真结果有 a.基带输入波形及其功率谱 b信号及其功率谱 c.QPSK信号星座图 2.构建一个在AWGN（高斯白噪声）信道条件下的QPSK仿真系统，仿真结果有 a.QPSK信号及其功率谱 b.QPSK信号星座图 c.高斯白噪声信道条件下的误码性能以及高斯白噪声的理论曲线，要求所有误码性能曲线在同一坐标比例下绘制(qpsk modem emulation, plus white Gaussian noise)

A matlab code to extract MFCC features, with several options

使用同态滤波对图像进行对比度增强的处理，本代码仅适用于灰度图像。(Homomorphic filtering using the contrast of the image enhancement processing, the code applies only to grayscale.)

计算夫琅禾费圆孔函数傅里叶变换的脚本M文件(Calculation of the the Fraunhofer hole function Fourier transform script M-file)

基于matlab平台，用mallat算法对图像进行降噪处理(Based on matlab platform, with mallat algorithm for image noise reduction processing)

dancuangkoupaiduixitong dancuangkou paidui xitong (single-window ticketing system simulation program )

电力系统谐波测量，用于分析电力系统谐波成分以比例(Power system harmonic measurement)

对复杂网络进行判定是否是连通图，输入参数是网络的邻接矩阵，如果是连通图，输出是1，如果不是，输出0.(directed or undirected graph)

Kmeans聚类算法的一个示例 是一个简单的程序但是体现了思想(a simple example of K-means algorthm which contains the core thinking method of clustering)