单个圆形活塞换能器指向性

说明：  龙门吊反演滑膜变结构控制，simlink程序+s函数程序，亲测有效(Sliding membrane control of gantry crane inversion)

对等边直角三角形阵和立体三棱锥阵进行仿真建模，并进行了定向定位的误差分析，得到了相应的波形。(The simulation modeling of the equilateral triangle array and the stereoscopic three pyramid array is carried out, and the error analysis of directional positioning is carried out, and the corresponding waveforms are obtained.)

说明：  状态空间Boost建模，用增广系统进行状态反馈控制恒压(The state space boost model is built, and the augmented system is used to control the constant voltage)

说明：  3维hashin失效准则~复合材料层合板(3-D Hashin Failure Criterion ~Composite Laminates)

说明：  极限学习机用于数据建模，可定性定量。代码有相关解释，直接运行。(The extreme learning machine is used for data modeling and can be qualitatively quantified.The code has an explanation and runs directly.)

说明：  该程序是大型有限元ADINA的源程序代码(This program is the source code of large finite element ADINA.)

说明：  非线性调频信号的产生函数，以及绘制时域频域图像(Proudce a NLFM signal,use for radar test)

说明：  可以用于在ABAQUS中进行蠕变损失分析(For creep rupture analysis in ABAQUS)

说明：  LOS制导方式实现路径跟踪算法仿真，直线和曲线的仿真代码(Los guidance method to achieve path tracking algorithm simulation, straight line and curve simulation code)

说明：  用Fortran语言编写的abaqus，Dflux热源子程序，路径为环形路径(Abaqus, Dflux heat source subroutine written in Fortran language, with a circular path)