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用于图像精确匹配以及目标检测的SIFT算法(Sift algorithm matlab version for object detection and image match)

模糊聚类分析传递闭包算法FCM的matlab程序，能对数据进行分类处理(Fuzzy Cluster Analysis of transitive closure of the FCM algorithm matlab program can deal with data classification)

说明：  如何在一个方形区域画一个半径为小数的圆，也要求画出方形区域，并指出圆的位置(how to plot a circle and a square,please point the location of the circle)

基于瞬时无功理论的有源电力滤波器的simulink模型，能够很好的滤除电源谐波和无功电流。(The simulink model of the active power filter based on the PID regulator, the filter power harmonics and reactive current.)

IIR滤波器的经典分析与比较，包括切比雪夫I型，II型、椭圆等！转换方式，冲击法，双线性（带通）(The classic IIR filter analysis and comparison, including chebyshev type I, II, elliptical, etc.! The switch pattern, impact method, double linear （bandpass filer）)

说明：  利用延迟-相加法对波达方向进行估计，程序简明易懂，适用于初学者。(using delayed- add method to estimate DOA, easily understandable for beginners.)

susan用PML边界条件编写的FDTD三维程序(susan with PML boundary conditions for the preparation of three-dimensional FDTD program)

建立单频矩形脉冲信号,时间反转镜仿真,计算信号时反过后的能量增益(Establishment of single-frequency rectangular pulse signal, the time reversal mirror simulation, after calculating signal energy gain against)

该程序包是在matlab环境中开发，用于求解TSP问题，效果很好。(The package is in the matlab environment, development, for solving the TSP problem, works well.)

实现白噪声、正弦信号和带有白噪声的正弦信号的自相关函数的分析。(Achieve white noise, white noise with a sinusoidal signal and a sinusoidal signal of the autocorrelation function.)