DZ069

牛顿下山法算法用matlab实现源程序，完整无缺，运行无错误，正常引用！(Newton descent method algorithm implementation using matlab source, intact, run the error-free, normal reference! )

能够实现声音信号的时域、频域、相位、功率谱分析(this matlab codes can realize the function analysis of time domain, frequency domain,phase ,powerspectrum ect for a noise signal)

详细的介绍了matlab/simulink的实现方法，对从事该工作的同志们有很大帮助(Detailed description of the matlab/simulink implementation method of comrades engaged in the work of great help)

M.J.Conty写的经典最大自相关（MAF）和最小噪声分离(MNF)代码(MJConty write classical maximum autocorrelation (MAF) and minimum noise fraction (MNF) code)

说明：  多步最小二乘法程序，适用与利用MATLAB进行系统辨识计算(Multi-step least squares procedure, applied to system identification using MATLAB calculation)

基于切比雪夫最佳一致逼近设计了低通、高通、带通、带阻线性相位FIR滤波器(Based cut Chebyshev best uniform approximation to design low-pass, high pass, band pass, band-stop linear-phase FIR filter)

本文件给出了科学计算所涉及的常用问题的源程序，同时给出了一些例题，适应初学Matlab者。(This document gives the commonly used scientific computing problems involved in source code, and gives some examples, those who meet the novice Matlab.)

对声音中嵌入的图像进行提取，此图像时矩阵排列(Embedded in the sound image was extracted from a matrix of this image)

一种基于matlab程序不动点迭代程序算法(Based on the matlab program fixed point iteration algorithm)

说明：  完成了QPSK的调制解调的仿真，没有载波恢复环节(Completed a QPSK modulation and demodulation of the simulation, there is no carrier recovery links)