evtchn

说明：  此程序通过采样产生了一个非常标准的BPSK信号，是理解通信原理数字调制的好帮手(his procedure generated by sampling a very standard BPSK signal, digital modulation is to understand the principles of good communication assistant)

已知消息信号为一个长度为8的二进制序列；载波频率为 ，采样频率为4KHz。编程实现一种调制、传输、滤波和解调过程。(Known message signal is a binary sequence with a length of 8 the carrier frequency, the sampling frequency of 4KHz. Programming a modulation, transmission, filtering, and demodulation process.)

图像处理MATLAB程序（教学使用）-图像灰度级修正（直方图规定化）(MATLAB image processing program (Teaching)- image gray level correction (histogram specification))

高质量的基于感兴趣编码的仿真程序，可以直接运行，观看仿真结果(Interest coding based on high-quality simulation procedures can be directly run to watch the simulation results)

说明：  倒谱分析 倒谱分析是指信号短时振幅谱的对数傅里叶反 变换。它具有可近似地分离并提取出频谱包络信息 和细微结构信息的特点(Cepstrum analysis cepstrum analysis is the signal amplitude spectrum on the number of short-time Fourier inverse transform. It has can be approximately isolated and extracted spectral envelope information and fine structural characteristics of information)

压缩包内源码的主要用途是：PSK调试方式的matlab实现(The main purpose of this source is the matlab implementation of PSK debug mode)

ITD进行模态识别，得到模态参数,ITD 法是一种单输入多输出、基于包含系统参数的自由振动方程识别结构参数的方法，(ITD modal identification, get the modal parameters.ITD method is a single-input multiple-output, based on the structure of the free vibration equation parameters include system identification method parameters,)

说明：  Experimental and Modeling Studies of a Brillouin Amplifier文献中的数值模拟部分的matlab代码实现(Matlab code implementation of numerical simulation in literature of Experimental and Modeling Studies of a Brillouin Amplifie)

杜达的《模式分类》第二版的配套的Matlab源代码(Duda' s " pattern classification," the second edition of the complete source code of the Matlab)

读入语音信号，加入噪声后将其滤除再还原声音(Adding a pulse noise to an existed speech then filt it with a specified FIR filter.)