MinhPDo-ContourletPtoolbox-

复杂网络的蓄意攻击，蓄意攻击是攻击度最大的节点(Deliberate attack complex networks, deliberate attack is an attack of the largest node)

信号与系统试验报告 离散傅立叶变换（DFT）和频谱分析 一、实验内容 1、实验题目 （1）编写DFT、IDFT程序，并验证其正确性（提示：可利用冲激函数进行验证）。 （2）计算信号f(t)=e-at2sin(2∏ft)的离散傅立叶变换（DFT），求其振幅谱，相位谱、振幅最大值对应的频谱（检测主频）以及对发f(t)进行DFT变换的结果实现IDFT变换，并画出图形。 参数选择如下：频率f =30HZ，a=f 2㏑(M),M=2.5 2、通过实验理解信号振幅谱、相位谱的物理意义，掌握DFT、IDFT算法的实现方法。()

用wolf方法计算时间序列的最大lyapunov指数(Calculated by wolf maximum lyapunov index time series)

合成孔径雷达中经过滤波器的线性调频信号的仿真 与未经过滤波器的线性调频信号不同 具有很好的参考价值(The simulation of synthetic aperture radar chirp signal filter and the filter has not been different chirp signal has a good reference value)

用matlab工具显示一个语音信号的语谱图，显示共振峰等特征(Using matlab tool displays a voice signal of the language spectrum, showing characteristics of formant)

感应双馈发电机系统的仿真，大学数值分析算法，实现典型相关分析，用于信号特征提取、信号消噪，包括AHP，因子分析，回归分析，聚类分析，包含位置式PID算法、积分分离式PID，时间序列数据分析中的梅林变换工具，使用混沌与分形分析的例程。( Simulation of doubly fed induction generator system, University of numerical analysis algorithms, Achieve canonical correlation analysis, For feature extraction, signal de-noising, Including AHP, factor analysis, regression analysis, cluster analysis, It contains positional PID algorithm, integral separate PID, Time series data analysis Mellin transform tool, Use Chaos and fractal analysis routines.)

用matlab 实现离散时间傅里叶变换的例程，方便初接触者使用。这是我dsp课的大作业(Using matlab discrete-time Fourier transform routines to facilitate early contact to use. This is my big job dsp lesson)

解决了非线性函数的逼近问题,实现了BP神经网络在非线性函数逼近中的应用。得出了信号的频率与隐含点之间，隐含点与函数逼近能力之间的关系——隐含层神经元数目越多。(Solved the problem of nonlinear function approximation, and realized the application of the BP neural network in nonlinear function approximation. Between signal frequency and implicit points are drawn, implied the relationship between the point and the function approximation ability, the more number of hidden layer neurons. )

LZ-78的一个算法。注释很清楚。分开给出程序(A program of LZ-78,with detailed note)

CT重建算法-有序子集最大期望法(OSEM)matlab源程序(CT image reconstruction algorithm ordered subset expectation maximization (OSEM) algorithm matlab source)