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A programmable-logic controller (PLC) is a compact computer-based electronic system that uses digital or analog input/output modules to control machines, processes, and other control modules. A PLC is able to receive (input) and transmit (output) various types of electrical and electronic signals and use them to control and monitor practically any kind of mechanical and/or electrical system.

用Matlab解决图像中交互式画矩形后保存问题(Using Matlab to solve the interactive image after drawing the rectangle preservation)

matlab内显示图形的子程序，可以方便的显示各种图形，能够识别图形中任意点的轨迹(matlab display graphics within the subroutine, you can easily display a variety of graphics, can identify any point in the track graph)

说明：  能够很好的解决牛顿插值问题，对于构建差商表的程序给出了解释和说明！！！(Newton interpolation can be a good solution to the problem, divided difference table for building the program and instructions are given to explain! ! !)

ga-pls选取特征波长，能过有效减少建模所需要的波长。(Ga-pls can effectively reduce the wavelength required for modeling by selecting the characteristic wavelength)

说明：  计算mie散射相关参数，根据颗粒粒径 ，入射光波长 ，颗粒折射率，介质折射率，计算不同角度下散射光强，不同粒径下的消光系数。(Calculate the mie scattering related parameters, calculate the scattered light intensity at different angles and the extinction coefficient at different particle sizes according to particle size, incident light wavelength, particle refractive index, and medium refractive index.)

signal ecg processing

波前曲扭和幅度变化对阵列测向中相干源分辨的影响(Twisted and curved wavefront amplitude variation to distinguish the impact of coherent source direction finding in an array)

运用matlab进行模糊聚类分析步骤如下：建立数据矩阵；数据标准化；建立模糊相似矩阵；改造相似关系为等价关系；确定分类数(The steps of using MATLAB to carry out fuzzy clustering analysis are as follows: establishing data matrix; standardizing data; establishing fuzzy similarity matrix; transforming similarity relation into equivalent relation; determining classification number.)

多普勒频移下的RICIAN衰落 附加资料 (RICIAN)