有限元程序，计算平面应力，平面应变，轴对称问题 try3

PT2313驱动代码，多应用于音频消费电子类IC。(PT2313 driver code,Multi-application in audio consumer electronic IC.)

说明：  地震勘探 AVO正演 雷克子波 运用雷克子波和反射系数进行褶积得到合成地震记录(matlab ricker The seismic record obtained by convolution of rec wavelet and reflection coefficient is one-dimensional, and the AVO response can be identified by the seismic record)

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)

并联式混合动力汽车等效燃油消耗最小m程序，瞬时最优(ECMS code for Parallel hybrid vehicle)

说明：  LSDYNA自定义本构模型文件, 很实用(LSDYNA User Defined Materials)

说明：  大学高等数学（同济版）的latext编程课件，可供使用者修改(Latxt Programming Courseware of Higher Mathematics (Tongji Edition) for Users to Modify)

说明：  这是一个用codesys做的电子凸轮简单例程，用于入门codesys.(This is a simple routine of electronic cam made by CoDeSys, which is used to start CoDeSys)

Morphological transformations are some simple operations based on the image shape. It is normally performed on binary images. It needs two inputs, one is our original image, second one is called structuring element or kernel which decides the nature of operation.

通过仿真可以进一步了解悬架性能，很具有使用意义(The performance of the suspension can be further understood through the simulation)

卫星轨道仿真，基于广播星历下的GPS卫星轨道仿真(Satellite orbit simulation)