digital_pid

计算mahalanobis（即马氏）距离(Calculated mahalanobis (ie Markov) distance)

利用有理函数模型进行空间前方交会程序，已知同名像点和2张卫星影像的有理函数RPC文件用于求地面点坐标。(Space forward intersection process using rational function model, known as points and 2 with the same satellite images of the rational function RPC file is used to beg the ground point coordinates.)

均匀线列阵波束形成，使用契比雪夫等旁瓣加权方式(chebshev different sidelobe)

在MATLAB环境下，背景为非高斯噪声下非常适用的滤波新算法。(in MATLAB environment, the background of the non-Gaussian noise filtering is applied to the new algorithm.)

File 1: THIS CODE IS USED TO DRAW THE PUMP CURVES AT DIFFERENT PUMP SPEED 1: PUMP CURVE 2: EFFICIENCY CURVE 3: BREAK HORSEPOWER CURVE 4: KW-INPUT CURVE File 2: THIS CODE IS FOR APPLYING THE WAY OF CALCULATING THE EFFICIENCY, POWER AND KW-INPUT FOR VARIABLE SPEED PUMP AT A GIVEN DESIRED HEAD AND DESIRED FLOW AS SHOWN IN THE PAPER TITLED: " how to calculate the pump efficiency and power for variable speed pump" File 3: this code is to correct the use of affinity law by shifting the curve to intersect with the system-curve at the desired flow as shown in the paper titled: "The Correct Method of Calculating Energy Savings to Justify Adjustable-Frequency Drives on Pumps"

关于光伏组件研究的相关资料，很有参考价值(Related information on the study of PV modules, a good reference value)

把微分方程的一维经典初值问题的有限插分法：Euler法、改进的Euler法、Admas二步外插法、Admas二步内插法编写成通用子程序，并且利用这些通用子程序解决常微分方程的数值解。(The classical one-dimensional differential equations initial value problem of limited interpolation method: Euler method, improved Euler method, Admas outside the two-step interpolation, Admas two-step interpolation method into a general-purpose subroutine to prepare and use it to solve common subroutines Numerical Solution of Ordinary Differential Equations.)

LMS算法，有关收敛性的问题。算法画出了LMS的学习曲线(LMS algorithm, the convergence problem. LMS algorithm to draw a learning curve)

ALOHA协议程序。[Traffic,S,Delay]=aloha(capture)(ALOHA protocol procedures。[Traffic,S,Delay]=aloha(capture))

基于conturlet变换的图像融合,利用conturlet还变来对图形进行处理并融合(Transform based image fusion conturlet transform based image fusion conturlet transform based image fusion conturlet)