8-compressione-jpeg

OQPSK的matlab/simulink仿真程序,程序中在基带仿真了oqpsk的调制方式(OQPSK of matlab/simulink simulation program, the program in the base-band simulation of the modulation OQPSK)

convert video to image

说明：  基于MatlabWeb服务器的虚拟实验平台的实现(MatlabWeb server based implementation of the virtual experiment platform)

matlab code for image to pixels conversion and vice verse

小波降噪、时频分析等方法，系统地研究航天电子设备多余物噪声检测过程中各操作变量和微粒物理参数对声波频谱的影响。通过单因素试验，详细分析了微粒粒径、振动力学条件中加速度和频率等3因素对声音信号频谱分布的影响规律，比较了短时傅里叶变换和小波变换的特点。该结果为进一步识别多余物微粒的参数提供了指导依据(the complexity of the material interaction and the properties of the particles themselves make the received signal difficult to analyse. This paper based on particle collision sound wave mechanism, using the methods of wavelet de-noising, time-frequency analysis and so on, this paper systematically studies the influence of various operating variables and particle physics parameters on the sound spectrum in the process of detecting the noise of aerospace electronic equipment. Through the single factor test, the influences of the three factors such as acceleration and frequency on the spectral distribution of the sound signal are analyse in detail, and the characteristics of the short-time Fourier transform and the wavelet transform are compared. The result provides a guideline for further identification of the parameters of the extraneous particles.)

模糊综合评判计算程序 模糊综合评判的过程：1、灰色关联分析，求权重（程序见Relation）；2、模糊聚类分析，划分等级（程序见F_class）；3、隶属度计算，求隶属函数（程序见Subjection和subject）；4、模糊综合评判，计算各单元等级（程序见F_judge）。(Fuzzy comprehensive evaluation matlab code The process of fuzzy comprehensive evaluation: 1. Grey relational analysis to get weight (see Relation for program); 2. Fuzzy clustering analysis to divide ranks (see F_class for program); 3. Membership degree calculation to get membership function (see Subjection and subject for program); 4. Fuzzy comprehensive evaluation to calculate each unit grade (see F_judge for program).)

采用时域平滑FAM法画出的信号循环谱图，其中包括FAM子函数和画图的主函数(FAM time-domain method used to draw a smooth spectrum of the signal cycle, including FAM Functions and main function of drawing)

实现小波语音去噪，基本实现了去除噪音的功能。主要读取信号，分解，去噪，重构。(The realization of wavelet denoising voice, the basic realization of the noise removal function. Read the main signal, decomposition, denoising, reconstruction.)

gearing box kinematic model

说明：  fastica实测数据，可以做数据的预处理，保留有用信号，滤除噪声(FastICA measured data, can do data preprocessing, retain useful signal, filter noise)