FIR_IIR

基于MATLAB的求函数包络线的方法，可求出函数上下两条包络线，并有图示显示。(MATLAB-based demand function envelope, can be derived function up and down two envelope, and the icon is displayed.)

2采用PCA对男女生样本数据中的身高，体重，喜欢数学，喜欢文学，喜欢运动，喜欢模式识别共6个特征进行特征提取（自己设定选取的特征个数），并基于所得到的特征采用SVM设计男女生分类器，并计算模型预测性能（包含SE,SP,ACC和AUC ）。(2 using PCA for boys and girls in the sample data height, weight, like math, like literature, like sports, like common pattern recognition feature extraction feature 6 (wherein the number of the selected set itself), based on the obtained feature using SVM classifier design boys and girls, and calculating prediction performance model (including SE, SP, ACC and AUC).)

signal generation using matlab

产生随机信号观测样本，不同信噪比和归一化频率。分别用BT法和周期图法估计功率谱密度。(Generate random signal observation samples, different signal to noise ratio and normalized frequency.Using method of BT and cycle diagram method to estimate the power spectral density.)

Digital signal processing is the important aspect of modern communication system. here is the matlab code given which helps for the beginers for understanding the basics of DSP.

对复杂网络下的谣言传播CSR模型的仿真，基于SIR模型的改进(Spread rumors of CSR under the complex network model of the simulation, based on the SIR model improvement)

基于Matlab实验平台实现五相无刷直流电动机的建模与仿真，分析了直流电压、负载转矩等参数的变化对系统性能的影响。仿真结果验证了分析的正确性和可靠性。(Modeling and Simulation of five phase brushless DC motor based on Matlab experimental platform, the influence of the parameters of DC voltage and load torque on the performance of the system is analyzed. The simulation results verify the correctness and reliability of the analysis.)

第十一届华为杯数学建模竞赛E题完整论文，外加MATLAB程序仿真。(Eleventh Huawei Cup title Mathematical Contest in Modeling E complete papers, plus MATLAB program simulation.)

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有源逆变电路，传统boost升压电路，控制电路实现了uc3854的功能电路！(Uc3854 functional circuit!)