weibull

在通信原理中，模拟信号进行抽样后，进行均匀量化。(In communication theory, sampling the analog signal uniform quantization.)

直接序列扩频，在matlab上的程序，及其仿真图，希望可以为matlab入门的人有所启发。(Direct Sequence Spread Spectrum on matlab program, and simulation map, hoping to inspire people to matlab entry.)

这是张德丰《MATLAB概率与数理统计分析》随书源码(M文件)。代码包括的内容有：概率分布计算及统计特征、数字特征计算、统计图绘制(盒状图、散度图等)、点估计和区间估计、假设检验、方差分析、曲线拟合、回归分析、因素分析、聚类分析、正交实验设计分析、多元方差分析、判别分析、隐马尔可夫模型建模与参数估计和在语音识别中的应用。(This is Zhang Defeng " MATLAB Analysis of probability and mathematical statistics," with the book source (M file). The contents of the code include: calculation of the probability distribution and statistical characteristics, digital feature calculation, statistical mapping (box-shaped graph, scatter graph, etc.), point and interval estimation, hypothesis testing, analysis of variance, curve fitting, regression analysis, factor analysis, cluster analysis, orthogonal experimental design, multivariate analysis of variance, discriminant analysis, hidden Markov modeling and parameter estimation and application in speech recognition.)

典型的多目标粒子群算法（CMOPSO)，附测试函数,注解详细，适合学习参考(A typical multi-objective particle swarm optimization (CMOPSO), attached to the test function, annotation detailed reference for learning)

本文针对基于经验模态分解ＥＭＤ的时空滤波器存在的固有模态函数分量中频率混叠交叉导致有用信号与噪声一起被滤除的问题结合小波在时间尺度两域表征信号局部特征的特性提出了一种基于能量估计实现ＥＭＤ分解层数确定(In this paper, based on empirical mode decomposition EMD temporal filter mode functions inherent component of cross-frequency aliasing and noise together lead to useful signal is filtered in the time scale of the problem combined with wavelet domain characterization of two local features of the signal characteristics of proposed achieve energy estimation based on EMD decomposition level determined)

说明：  循环包络算法，用于计算信号的包络的一种方法(cyclic envelope)

PSO with voltage constrains

说明：  本程序实现了8DPSK的调制与传输，计算了误码率等性能参数(This procedure implements the modulation and transmission 8DPSK calculated performance parameters such as bit error rate)

CODE MATLAB ACO BEE COLONY SYSTEM FOR TSP PROBLEM

针对无刷直流电机的特性，使用simulink库模块进行反电动势控制仿真。(According to the characteristics of Brushless DC motor, the back EMF control simulation by using Simulink module.)