有限元程序，计算平面应力，平面应变，轴对称问题 try3

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：  基于光电信号的的血氧饱和度计算，matlab的代码，请参考(Based on the photoelectric signal of blood oxygen saturation calculation, MATLAB code)

不仅用于潮位调和分析和预报，还能对潮流进行准调和分析，包含两种功能，一次性解决潮汐问题，是目前为数不多的程序包。(Not only for tidal level harmonic analysis and forecasting, but also the tidal current analysis, including two functions, one-time solution to the tidal problem, is currently a precious packages.)

一卡通离线积分系统(Card offline scoring system)

说明：  本书系统介绍了基于MATLAB语言的高等应用数学问题的求解，(Solving higher applied mathematics problems with MATLAB)

说明：  双三相永磁同步电机simulink仿真，包括SPWM模型等(Double three phase permanent magnet synchronous motor)

风机模态参数识别，主要是风机急停工况下阻尼、自振频率等识别(The identification of the modal parameters of the wind turbine and is mainly the identification of the damping and vibration frequency of the wind turbine under the emergency shutdown condition.)

说明：  solidworks工程图批量生成DWG和PDF,单目录(solidworks VAB SLDDRW to PDF DWG)

说明：  采用频移调制的方式产生RGPO干扰，并定量分析它对LFM体制雷达的影响效应。按照脉冲重复周期为间隔，完成了动态的RGPO干扰演示，对从事雷达电子战领域研究的技术人员有一定的参考。(RGPO jamming is produced by frequency shift modulation, and its effect on LFM radar is analyzed quantitatively. According to the interval of pulse repetition period, the dynamic RGPO jamming demonstration is completed, which has certain reference for the technical personnel engaged in the radar electronic warfare field.)

说明：  形成低通滤波器及实际RC低通滤波电路的单位冲激响应与频谱图(Unit impulse response and frequency spectrum of low pass filter and practical RC low pass filter circuit)