20130112

说明：  用MATLAB仿真DS-BPSK超宽带通信系统性能(DS-UWB发射信号)(Using MATLAB simulation DS-BPSK UWB communication system performance (DS-UWB emission signal))

Speech Noise estimate

小波去噪。。。程序完全可以运行，还有图形(Wavelet denoising. . . Program can run, there are graphic)

图像频域滤波，用matlab实现了在图像频域中通过Butterworth陷波器消除周期性噪声干扰信号。(Image frequency domain filtering using matlab achieved in the frequency domain image by Butterworth notch filter to eliminate periodic noise signal.)

三电平VSC仿真，使用与初学多电平的人员，MATLAB仿真可运行，(MATLAB three level simulink)

基于MATLAB的音频数据采集系统基于MATLAB的音频数据采集系统(基于MATLAB的音频数据采集系统)

里面囊括了基于matlab滤波器设计的各种.m文件，是不可多得的详细内部资料。(Inside cover matlab filter design based on a variety of. M documents is rare detailed internal information.)

文件中包含matlab中常用的分类方法 以及归一化代码 供自学(The file contains the classification methods commonly used in MATLAB and the normalized code for self-study)

关于matlab中的众多函数，及相对应的作用介绍，便于查找和记忆(With regard to the many functions in matlab, and the corresponding role of the introduction, easy to find and remember)

说明：  用割线法求函数极值，能求出初始点附近极值点，包括极大值和极小值(Secant extremal function, can be obtained in the vicinity of the initial point of extreme points, including the maximum and minimum values)