ENVELOPE_gets_the_data_of_upper_and_down_envelope_

用G_P方法计算关联维数，设置步长为100，可以自行设定。(Correlation dimension calculation method used G_P set in steps of 100, you can set their own.)

移动通信领域中已广泛采用自适应回波抵消技术,自适应回波抵消算法是该技术的核心,算法的优劣直接影响自适应回波抵消效果,同时它对降低硬件复杂度和产品成 本也有特殊意义。文章对自适应回波抵消的NLMS算法、双端讲话(DT)的检测算法及后 处理的NLP算法进行了分析和讨论。 (nIhtemobileeonllnunieationdomani,adpativeeehoenaeellationhasbeen idelyusedwihthtealgorith ofadPativeehcoeancellationasitskeyteemlology. Qualiytofalgorlthmwillhveadireeteeffetonhtereusltofeancellation,andgoodal- goritmhswillreduce stemcomPelxiytandlwoerhtecostofproduct.Thepapergives annaalysisonthekeyalgorithinofadPatveiechoenaeellationNLMS,algorithmof doubleta deteetion,nadalgorithmofnonlinearPoreessnig. )

程序功能是将Harwell Boeing格式的稀疏矩阵转换为MATLAB中的稀疏矩阵(Program function is to convert Harwell Boeing sparse matrix format for MATLAB sparse matrix)

说明：  cdma的扩频通信的matlab的仿真，用程序编写的(cdma spread spectrum communication matlab simulation, using procedures for the preparation of the)

自己编写的matlab微粒群算法工具箱。微粒群算法（pso）是一种人工智能算法，速度比遗传算法快一些。(I have written matlab PSO toolbox. Particle swarm optimization (pso) is an artificial intelligence algorithm, the speed faster than the genetic algorithm.)

现代信号处理 一个序列为 ，使用FFT分析其频谱： 1） 使用不同宽度的矩形窗截短该序列为M点长度，取M分别为： a) M=20 b) M=40 c)M=160 ；观察不同长度的窗对谱分析结果的影响； 2）使用汉宁窗、哈明窗重做1） 3）对三种窗的结果进行理论分析及比较。并绘出相应的幅频特性曲线 (Modern signal processing a sequence, using FFT analysis of the spectrum: 1) the width of the rectangular windows with different truncated point of the sequence length of M, take M, respectively: a) M = 20 b) M = 40 c) M = 160 observation windows of different lengths affect the results of spectral analysis 2) Hanning window, Hamming window redo 1) 3) the results of three windows and compare the theoretical analysis. And draw the corresponding amplitude-frequency characteristic curve)

设计仿真信号，并进行仿真信号的边际谱分析(Hilbert Spectrum)

人工蜂群算法MATLAB代码实现，内有调用说明，采用最精简的编写方式(Artificial bee colony algorithm MATLAB code implementation, inside the call description, using the simplex writing method)

含整车模型的汽车稳定性控制模型，ESP，在MATLAB/simulink环境下建立。(Vehicle Stability Control model with vehicle model, ESP. Established under the MATLAB/simulink environment.)

自己写的瞬时频率计算发放及自相关（互相关）matlab程序(Write their own instantaneous frequency calculation, distribution and autocorrelation (cross-correlation) matlab program)