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FEM 计算电磁铁周围磁场分布的程序，简洁易懂(FEM calculation of magnetic field distribution around the magnet program and easy to read)

matlab gui设计 table和excel的交互使用方法。(matlab gui table and excel)

利用matlab实现数字全息显微镜再现程序，可用来参考(Digital holographic microscopy using matlab reproduction program can be used to reference)

the performance of LSE algorithm in OFDM channel estimation

simulating of abs system for one wheel

希尔伯特黄变化学习总结，技术文档，含部分matlab代码，希望对大家有帮助(Hilbert Huang change learning summary, technical documentation, containing part of the matlab code, and hope to help everyone)

boos pi controller close loop

基于dds的雷达信号的产生，基于dds的雷达信号的产生(Dds-based radar signal generation)

针对永磁同步电机常规直接转矩控制系统涉及到的问题,例如磁链的准确观测、定子电阻的变化、电压矢量开关表的改进以及滞环控制器的改进等等,本文都作了详细的分析,并提出了改进方案。为了提高系统的性能,本文将空间矢量调制的方法引入了常规直接转矩控制中,并在此基础上,对永磁同步电机无速度传感器问题作了详细的分析,总结了国内外的研究热点,提出了采用转子磁链矢量为基础的永磁同步电机直接转矩控制速度估计方法。仿真结果表明,该方案具有很好的动、静态特性。(Firstly, the paper analyzes the principle of direct torque control of permanent magnet synchronous motor and elaborates the impact of space voltage vector of the stator flux and the electromagnetic torque.Secondly, the paper introduces direct torque control of permanent magnet synchronous motor SVPWM technology.Under the same hardware conditions,the system can obtain More continuous voltage space vector by taking advantage of SVPWM.The simulation results show the program not only keeps the direct torque control fast dynamic response, but also reduce the motor torque ripple.)

空间调制系统基本程序，QAM调制，接收端采用ML检测(SM system，QAM，ML detector)