pinctrl-xway

Gradient calculation using first order derivative of Gaussian. by using a 2-D Gaussian kernel, derivatives along x and y directions are calculated

IDW距离反比加权方法，权重选择为2，可根据需要自己改变(IDW inverse distance weighting, the weight chosen as 2, can be changed according to need their own)

基于FFT谱连续细化算法的高精度频率估计，这种算法可以精确到小数点后两位，这种算法与MUSIC法和ESPRIT法相比，计算量大大降低，而且精度非常高。(This procedure is based on the FFT spectrum continual refinement algorithm s high accuracy frequency， this algorithm may precisely to decimal point latter two, compared the MUSIC algorithm and the ESPRIT algorithm, the computation complexity reduces greatly, moreover the precision is high.)

先进PID控制极其Matlab仿真，很实用、很详细，附有具体程序案例，是不错的初学者教材。(Advanced PID control is extremely Matlab simulation, very practical, very detailed, with program-specific case is a good beginners textbook.)

使用有限时域差分法，用matlab模拟三维光子晶体(the simulation of TM mode in three-dimensional photonic crystals)

说明：  A class for efficient manipulation of N-fold Kronecker products in terms of its operands only

三种角点提取方法的matlab程序，用于摄像机标定。(three methods of corner extract based on matlab。)

利用MATLAB/Simulink软件中Communication Blockets(通信模块)对PSK数字传输系统进行动态、可视化仿真，清晰地表现出PSK传输系统的系统组成及各项性能指标。(using MATLAB/Simulink Software Communication Joe Blo ckets (Communication Module) PSK digital transmission system dynamics, visual simulation, PSK clear illustration of the transmission system components and system performance indexes.)

说明：  机器人控制中的一些matlab计算范例2A(some examples of the matlab computing inRobot control 2A)

混沌时间序列多步自适应预测方法，非常有用，采用自适应算法，比局部算法要准确(chaos time series prediction)