fanhuishi

用DFT (FFT)对连续信号进行频谱分析(Spectrum Analysis of Continuous Signals Using DFT (FFT))

一个简单的对数极坐标变换matlab程序，作为入门小白的一次尝试，希望能得到认可(A simple logarithmic polar coordinate transformation matlab program, as a star of a try, hoping to be recognized)

永磁同步电机直接转矩控制系统仿真模型，和大家交流学习(The permanent magnet synchronous motor direct torque control system simulation model, and we exchange learning )

说明：  主动锁模光纤激光器，利用强度调制器在腔内产生周期性的损耗调制，产生了超短脉冲。(Active mode-locked fiber)

matlab BPSK RAYLEIGH

GPS定位仿真，计算点面上某点的概略位置坐标，实时获得点面上点的位置(GPS positioning simulation, calculate the approximate position coordinates of a certain point on the point, and get the location of points on the spot in real time.)

Simulink model FOC of PMSM

基于卷积编码的BPSK、OQPSK调制通信系统的仿真设计，较为简单(OQPSK Modulation Communication System Based on Convolutional Coding)

说明：  多输入多输出(Multiple-Input Multiple-Output)技术是无线移动通信领域智能天线技术的重大突破。该技术能在不增加带宽的情况下成倍地提高通信系统的容量和频谱利用率，是新一代移动通信系统必须采用的关键技术。(Multiple input multiple output (MIMO) technology is a major breakthrough of smart antenna technology in the field of wireless mobile communication. This technology can double the capacity and spectrum efficiency of the communication system without increasing the bandwidth. It is a key technology that must be adopted in the new generation of mobile communication system.)

说明：  基于matlab2014b平台，求解非线性方程数值解的程序，数学建模可用。(Based on MATLAB 2014b platform, the program of solving the numerical solution of nonlinear equation, mathematical modeling is available.)