matlab-on-scientific-computing

this file has codes that describes how to ccmpute the signal spectrum , the power spectrum, how to calculate the autocorrelation sequence of a signal, how to calculate the autoregressive coeffecients of a signal,and how to reduce the noisy elements in a speech sample.

Matlab在图像处理中的应用源代码：源程序和素材(Matlab application in image processing source: source program and the material )

声纹识别MATLAB源程序全代码，可以用来做密码锁，声控装置。(Voiceprint identification of all MATLAB source code can be used to make locks, voice-activated device.)

系统辨识里面的梯度校正参数辨识方法，实用的系统辨识算法(System identification inside the gradient correction parameter identification methods, practical system identification algorithm)

射线追踪正演程序，给定发射接收点位置和介质衰减系数。(Ray tracing forward procedure, given transmitter and receiver positions and medium attenuation coefficient.)

用matlab实现音频处理功能，两个音频文件模和相位互换，比较互换之后的音频文件的效果(using Matlab achieve audio processing functions, two audio files modulus and phase swap Comparing the exchange of audio files after the results)

先进PID控制matlab仿真，第二版，刘金坤(fuzzpid PID)

单相光伏并网发电系统电压前馈控制和有源频率偏移（AFD）孤岛检测法的simulink仿真模型，初步实现了并网电流与电网电压的同频同相，AFD孤岛检测方法采用S函数给出，检测功能基本实现。(Single-phase grid-connected PV system voltage feedforward control and active frequency offset (AFD) simulink simulation model islanding detection method, the initial realization of grid current and the grid voltage of the same frequency and phase, AFD islanding detection method using the S function to out detection realized.)

matlab程序可以实现了数据从COmnlcx文件的输入，ar模型预测，arma模型预测，卡尔曼滤波器模型预测，利用图形用户界面编写 ，可以调节xCEZaLe环境，测试通过。 ( Matlab program can realize the data input a COmnlcx file. AR model prediction, ARMA model prediction and forecasting model Kalman filter using a graphical user interface written COmnlcxl environment can be adjusted, the test. )

心电、脉搏信号的提取和处理，心电脉搏特征波提取(Extraction and Processing of ECG and Pulse Signal and Extraction of ECG Pulse Characteristic Wave)