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一个很好带阻滤波器的设计，并给出了用来滤除工频干扰的实例(A good band stop filter and filter frequency is given to an instance of interference)

windows media format 9 samples for filter(nine samples for filter)

小数据量法求Lyapunov的优化程序,把网上的源程序优化过了，勘除了一下错误(small data Lyapunov method for the optimization of procedures and on-line optimization of the source too. In addition to this survey errors)

MATLAB coding for 64 QAM is given

这里包含使用C、matlab等多种语音以多种方式实现LDPC的多种算法。(This includes using C, matlab, and other voice in a variety of ways to achieve a variety of LDPC algorithm.)

This code is usefull for who learn matlab for digital communication.This code is usefull for who learn matlab for digital communication.This code is usefull for who learn matlab for digital communication.This code is usefull for who learn matlab for digital communication

采用双闭环控制的单相逆变器控制结构，simulink 仿真结果正确(PI control，realised the unity power factor)

说明：  把2D图形变为3D图像的软件。先用该软件将2D图像转为数据，再用我上传的将2D转为3D的MATLAB软件绘图即可。(2D into 3D software)

ieee 的标准文献，学习ldpc码很有帮助的，可以参考参考，老外的东西还是比较权威的(ieee standard documents, helpful learning ldpc code, can refer to the reference, what foreigner, or more authoritative)

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.)