tyhoondata

HMImodbus协议控制台达变频器简单的速度控制(HMImodbus protocol controls delta frequency converter with simple speed control)

图形画椭圆与圆弧中点算法类似：确定一个象素后,接着在两个候选象素的中点(Graphics drawing elliptical and circular arc midpoint algorithm is similar: to determine a pixel, and then at the point of the two candidate pixels)

常用的颜色色差计算程序，输入颜色的三刺激值，得到色差值。(Commonly used color difference calculation program, enter the color of the three stimulus value, to get color difference value.)

异步电机的SPWM的逆变器变频启动，含matlab模型和M文件(AsynchronousMotor SPWM)

说明：  Command line PDF toolbox, fully registered version. Can work together with FOXIT Reader

matlab求解天线的3db波束宽度和比较方向图，计算简单(Matlab to solve the antenna 3dB beam width and comparison of the direction of the map, simple calculation)

Windows API/Global Declarations for :[ Digital Clock v1.0 ]

说明：  风力发电机mppt控制程序，基于扰动观察法(The program of PWSM mppt)

采用MATLAB编写的，斜齿轮时变啮合刚度计算程序(Matlab program to calculate the time-varing menshing stiffness of helical gear)

冲床应用行业检修使用的PLC程序，包含了工艺上的完整过程，其他冲床的程序也都是类似的(The PLC program used in the maintenance of punch application industry includes the complete process of technology, and other punch programs are similar.)