Communication--system-Simulation

无刷直流电动机是目前电机行业的热点，这是matlab中无刷直流电动机很好的模型，请参考。(Brushless DC motor is the motor industry hot spots, which is in matlab BLDCM good model, please refer to.)

根据的给出降水量，返回干旱历时、烈度、时间.以均值、0.8的均值、0.6的均值为阈值。(according to the given precipitation ,calculate the last time,intensity and the start time of arid.)

matlab code of ecg in this we can see how we ecg to r-r interval

NEWTON Newton s method is used to locate a root

this is the code of facial recognition system

IDT法模态参数识别，可识别频率，阻尼比和振型系数。(The IDT Law modal parameter identification)

the function of tSNE_matlab

通过matlab代码，该函数用来计算任意函数的一阶偏导数(数值方法),cordic算法的matlab仿真。( By matlab code, This function is used to calculate the arbitrary function of the first order partial derivative (numerical methods), cordic matlab simulation algorithm.)

12.1 图像点的运算 12.1.1 线性点运算 12.1.2 非线性点运算 12.2 图像的算术运算 12.2.1 加法运算 12.2.2 减 法运算 12.2.3 乘法 运算 12.2.4 除法 运算 12.2.5 其它运算 12.3 图像的位逻辑运算 12.4 图像的几何运算 12.4.1 图像插值 12.4.2 图像缩放 12.4.3 图像旋转 12.4.4 图像剪切 12.5 空间变换 12.5.1 仿射变换（ affine transformation ） 12.5.2 透视变换 (Perspective Transformation) 12.5.3 空间变换的 MATLAB 函数 12.5.4 空间变换实例 12.6 图像融合 12.7 邻域与块操作 12.7.1 邻域操作 12.7.2 图像块操作 12.8 区域处理 12.8.1 区域选择 12.8.2 区域滤波 12.8.3 区域填充(12.1 image point arithmetic 12.1.1 computing linear point 12.1.2 nonlinear point operations 12.2 image adder computing 12.2.1 Arithmetic 12.2.2 subtraction multiplication 12.2.3 computing division 12.2.4 computing 12.2.5 other computing 12.3 Image 12.4 Image-bit logic operations geometric computing 12.4.1 Image Interpolation 12.4.2 image scaling 12.4.3 image rotation 12.4.4 Shear Image 12.5 Space Conversion 12.5.1 affine transformation (affine transformation) 12.5.2 Perspective Transform (Perspective Transformation) 12.5.3 space transform space transform MATLAB function 12.5.4 Examples 12.6 Image Fusion 12.7 Neighborhood and Block Operation 12.7.1 Operation 12.7.2 neighborhood image processing block operation 12.8 Regional 12.8 area selection 12.8.1. 2 regional filtering area filling 12.8.3)

说明：  matlab 关于牛顿法，最速化，拟牛顿法，黄金分割法，一维搜索法的编程(Matlab of Newton, the most speed, quasi-Newton method, 0.618, one-dimensional search Programming)