qeikun_v85

在MATLAB下面实现谱减法语音增强算法，通过仿真能得到很不错的效果，值得推荐~(speech_enhancement under matlab enviroment~)

附件是齿轮箱故障数据，txt格式文件，pdf格式的齿轮箱故障数据介绍，和word关于齿轮箱故障的知识详解，对研究旋转机械故障诊断的朋友有帮助(the attachment is the fault data of gear box in txt documents, and data instruction in pdf document. Also, the detailed intruction of gear box is in word documents.)

程序展示了使用EM algorithm来训练GMM(Gaussian Mixture Model)来进行binary classification。(Program demonstrates the use of EM algorithm to train the GMM (Gaussian Mixture Model) for binary classification.)

SLIDING MODE CONTROL

地震资料 数据处理 分频去噪 模块 主要压制随机噪音 异常振幅 野值 大值 方法特点：1 针对性强，主要去除随机噪音；2 随机噪音识别能力强，达到了较高的去噪水平；3 具有自适应性，能根据不同位置的不同特点统计识别噪音；4 振幅保真，对有效信号的保护性好；5 操作者可根据经验选择参数组合灵活去噪，达到较好的结果。 应用对比：为了展示本模块的去噪效果，所选取的对比对象是某知名成熟商业软件的分频去噪模块，其去噪效果在当前诸多成熟软件模块中是佼佼者，在地震资料处理界具有很好的口碑。 通过对比，说明本模块：1 针对性强，主要去除随机噪音和异常振幅等。2 随机噪音识别能力强，达到了较高的去噪水平。3 具有自适应性，能根据不同位置的不同特点统计识别噪音。4 振幅保真，对有效信号的保护性好。5 操作者可根据经验选择参数组合灵活去噪，达到较好的结果。(Frequency-dependent noise attenuation seismic data, processing module, is mainly to suppress random noise, denoising abnormal/large amplitude values Method of characteristics: 1 targeted, mainly to remove random noise 2 random noise and strong ability to identify , reach a higher level of de-noising 3 is adaptive , able to identify the noise statistics according to the different characteristics of different positions 4 amplitude fidelity , the effective protection of the signal is good 5 denoising operator flexibility to select the combination of parameters according to the experience , to achieve better results . Application contrast: To demonstrate the effect of the de-noising module , the selected object is a well-known comparative commercial software divide mature noising module de-noising effect is the current leader in many mature software module in seismic data processing industry has a good reputation. By contrast, the description of the module : a targeted, mai)

演示AR序列的特征值、自协方差函数和谱密度。程序是开放的，可以修改参数(Eigenvalues ​ ​ demo AR sequence autocovariance function and spectral density. The program is open, you can modify the parameters)

说明：  小波去噪处理 matlab源码添加噪声，领用小波去噪法，好用哦(Wavelet denoising matlab source added noise, wavelet denoising method Consuming, easy to use oh)

this simulation results in PSD of the transmitting pulse.

说明：  基于物理光学透镜成像原理，利用MATLAB语言编写了仿真程序，制作了GUI界面。(Based on the imaging principle of physical optical lens, the simulation program is written in MATLAB language, and the GUI interface is made.)

灰色 GM(1 ,1) 预测模型是灰色理论中的重要组成部分 ,也是主要的预测方法之一. 因此 , GM(1 ,1)模型的应用范围很广泛.,用 MATLAB 软件 实现了 GM(1 ,1)预测算法并给出了源代码.(Grey GM (1, 1) prediction model is an important part of grey theory, and it is also one of the main prediction methods. Therefore, GM (1, 1) model has wide application scope. GM (1, 1) prediction algorithm is implemented by MATLAB software, and the source code is given.)