MATLAB-numerical-calculation-

介绍matlab程序中的傅里叶变换测试语音，测试语音的频谱，并改变采样率和采样点，在测试语音(Matlab program introduces test Fourier transform voice, test speech spectrum, and change the sampling rate and sampling points, the test speech)

matlab s函数（s-Function）编写的离散状态空间表达式(matlab s function (s-Function) written in discrete state space representation)

total-field/scattered-field, 2D square-cell TE grid, incident-angle 0<=angle<=90

As an industry-leading supplier of universal asynchronous receiver/transmitters (UARTs), Texas Instruments provides products designed to improve system performance and meet the needs of next-generation applications.

双闭环pi控制的svpwm仿真，simulink仿真模型(Svpwm pi-controlled double-loop simulation, simulink simulation model)

simple experiment on pid along with fuzzy comparision

基于matlab对GM模型进行测算，此模型为GM预算模型，原理为GM1.1模型原理(Matlab-based estimates of the GM model, the model budget for the GM model, the principle of GM1.1 model theory)

Image Compression by: 1) Use Adobe Photoshop to Compress images using LZW algorithm (i.e. lossless technique). 2) Use MATLAB to Compress images using JPEG algorithm (i.e. lossy technique) and Assess objectively the quality of the compressed images

特征降维方法，其中包含有典型的特征组合方式——PCA和特征选择中的SFFS，SBS，SFS。共四类常用的特征降维方式。(different features dimensionality reduction methods.)

无线信道OWzQYJ模型MATLAB仿真程序，实现了SrQGdSB技术下多参数的模拟，最接近物理信道，信道逼近参数接近最小二乘OWzQYJ算法。 (Radio channelOWzQYJ model MATLAB simulation program, to achieve a multi-parameter simulation SrQGdSB technology, the closest physical channel, the channel parameters close to the least square approximation algorithm OWzQYJ )