fourth_order_music1

convert multimedia to matlab format

图像加噪和去噪代码，读取图像数据，产生噪声图像，使用sym4小波进行三层分解(Images with noise and denoising code, read the image data, image noise, the use of three wavelet decomposition sym4)

说明：  OFDM的基本框架搭建，实现OFDM技术的基本功用，适合于初学者(Build the basic framework of OFDM, OFDM technology to achieve the basic skills to use, suitable for beginners)

基于MATLAB和SIMULINK的飞机起落架结构设计(MATLAB and SIMULINK based on structural design of aircraft landing gear)

CORDIC算法的Matlab模拟，为了验证FPGA实现CORDIC算法的时间特性优于软件，用Matlab实现了一个计算sin, cos的CORDIC算法(Matlab simulation CORDIC algorithm, in order to verify the FPGA to achieve the time characteristics of CORDIC algorithm is superior to software, using Matlab calculated to achieve a sin, cos of the CORDIC algorithm)

PAF, PACF by levanon

Fresnel函数计算相对折射率所面临的问题是计算量较大，利用实测数据计算散射系数并作图显示结果(Fresnel function by calculating the relative refractive index is a calculation of the problems faced by large, using the measured scattering coefficient data and mapping the result will be displayed)

完整的人连表情识别系统源代码（采用局域二值模式LBP识别） Matlb做的界面(Even the complete source code of face recognition system (using binary mode Local LBP identification) Matlb interface do)

周期图法是经典谱分析的一种重要方法，对于信号的分析有重要的作用。(Periodogram is an important method of classical spectral analysis, for the analysis of signals have an important role.)

这是一个关于数字信号处理中的快速傅里叶算法的实现(This is a digital signal processing algorithms to achieve fast Fourier)