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2FSK频率选择法调制及相关检测、包络检测的matlab程序，供仿真参考(2FSK modulation frequency selection method and related testing, envelope detection matlab program for the simulation of reference)

pls check aprior for my reference

基于simuink的LCL型有源电力滤波器的设计仿真(A LCL type APF simulation that is based on simulink)

利用模拟Butterworth滤波器设计数字低通滤波器！(Analog filter design using Butterworth digital low-pass filter!)

说明：  利用excel进行蒙特卡罗分析，利用excel进行蒙特卡罗分析(Lets you do Monte Carlo analysis using your Excel spreadsheet)

隐马尔科夫模型学习最佳范例 word 详细介绍马尔科夫模型原理(The best example of the hidden Markov model learning word detailed introduction of the principle of the Markov model)

Matlab 符号运算是通过集成在 Matlab 中的符号数学工具箱（Symbolic Math Toolbox） 来实现的。和别的工具箱有所不同，该工具箱不是基于矩阵的数值分析，而是使用字符串来 进行符号分析与运算。实际上，Matlab 中的符号数学工具箱是建立在 Maple 基础上的，当 进行 Matlab 符号运算时，它就请求 Maple 软件去计算并将结果返回给 Matlab。(Matlab symbolic operation is integrated in the Matlab Symbolic Math Toolbox (Symbolic Math Toolbox) to achieve. And different from other toolbox, the toolbox is not based on numerical analysis matrix, but use a string for symbolic analysis and calculation. In fact, Matlab' s Symbolic Math Toolbox is built based on Maple, Matlab symbolic computation to the time when it requests Maple software to calculate and return results to Matlab.)

用MATLAB实现了基于pca的特征提取方法，有效地完成了识别，是识别的经典例子(PCA to achieve recognition )

本文对@:AB及其衍变模型进行了分析和总结，提出了直交门槛一般化自回归条件异方差#< 90 8 17C -D@:AB*模型。通过模型平稳性测试、@:效果检定、@:AB效果检定、模型阶数鉴定、模型参数估计与模型诊断对模型进行 评估，作者认为这种模型在估计投资组合资产收益的波动性上优越@:AB及其衍变模型。 (In this paper, @: AB model and its evolution are analyzed and summed up the proposed DC-AC threshold generalized autoregressive conditional heteroskedasticity# < 90 8 17C-D @: AB* model. Smooth adoption of the model testing, @: the effect of test, @: AB test the effect of model order identification, model parameter estimation and model diagnostics to assess the model, the authors suggest that this model portfolios in estimating the volatility of capital gains on the superior @ : AB and its evolution model.)

这是一篇关于自适应卡尔曼滤波在目标跟踪系统中应用的学习文章，对学习卡尔曼滤波有很大的帮助(This is an article on adaptive Kalman filter target tracking system applied in the study article, to learn the Kalman filter is very helpful)