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介绍时频分析的基本理论和在工程中的应用方法，介绍了MATLAB时频分析工具箱的用法。(Introducing the basic theory and application of frequency analysis methods in engineering, describes the time-frequency analysis MATLAB toolbox usage.)

本资料是课堂资料，对matlab初学者有很大的作用，特别是火电厂系统建模方面(This information is classroom information on the matlab beginners have a significant role, particularly thermal power system modeling)

用谱方法计算流体力学一些流动现象的整体稳定性,小波包分析提取振动信号中的特征频率，关于超声波倒车雷达测距的。( Spectral methods of computational fluid dynamics flow of some of the overall stability of the phenomenon, Wavelet packet analysis to extract vibration signal characteristic frequency, About ultrasonic parking radar ranging.)

盖尔圆法进行信号源数估计，方面不错。也可应用于聚类算法。(Source number Gail round signal estimation method, good aspects. Can also be applied clustering algorithm.)

《智能控制》第二版（刘金琨著）程序源码第四章(" Intelligent control" , Second Edition (Liu Jinkun a) program source code Chapter)

Kalman Filter. it is important for student who study or research about Kalman filter. Have fun.

EKF_PF 基于扩展kalman的粒子滤波 可解决非线性状态估计问题(EKF_PF based on extended kalman particle filter to address the issue of non-linear state estimation)

sigma-delta DAC simulink model

舒迪前非常经典好用的自适应控制书，内容易懂(adaptive control by Diqian Shu)

image polar to convert an image from Matrice to polar conrdinate, its about 5 functions that works toguether