sysm2

解决OFDM中PAPR问题的MATLAB程序。(Solve the PAPR problem of OFDM in the MATLAB program.)

code for some problems in smart antenna for wireless commnications

PCA人脸识别算法，识别率达到99 ，采用小波变换的方法及主成分分析法。(PCA face recognition algorithm, the recognition rate up to 99 , using wavelet transform methods and principal component analysis.)

附件为LTE里CRC校验的MATLAB源程序。(The CRC checkout of LTE.)

用matlab对OFDM系统进行仿真，并添加高斯白噪声，得到一条BER曲线(Using matlab for OFDM system simulation, and add white Gaussian noise, to obtain a BER curve)

基于压缩感知理论对单音频信号以低于奈奎斯特频率进行采样处理(Based compression perception theory, single audio signal sampling below the Nyquist frequency)

里面有数字信号处理中常用的matlab工具，用的时候查看该文档，方便Matlab在数字信号处理中的使用(Inside there are commonly used in digital signal processing matlab tool, with the time to view the document in Matlab to facilitate the use of digital signal processing)

用MATLAB软件实现高通，低通，带通滤波器的双线性函数的频率响应，观察其显示特点(MATLAB software, high pass, low pass, the bilinear function of the bandpass filter frequency response, observe the display characteristics)

OFDM在瑞利信道下的误码率，使用matlab将OFDM在瑞利信道下进行仿真性能的效果(OFDM BER in Rayleigh channel using matlab OFDM in the Rayleigh channel simulation performance results)

　　利用matlab程序实现对一维信号进行连续小波变换，进而在程序的编辑过程理解一位连续小波变换的小波系数矩阵的含义。 　　同时通过对预算的到的小波系数矩阵进行分析解释，得到原始信号的频谱分布以及了解小波系数在尺度和位移两个分量上的意义。(Matlab program to achieve continuous wavelet transform of one-dimensional signal, and then in the editing process of the program to understand the meaning of a continuous wavelet transform coefficient matrix. Analysis to explain the budget to the wavelet coefficients matrix, the spectral distribution of the original signal, and understand the significance of the wavelet coefficients on the two components of scale and displacement.)