dianji

正交频分复用系统中信号的调制与解调，我们用傅里叶反变换和变换来实现(Orthogonal frequency division multiplexing system signal modulation and demodulation, and we use the inverse Fourier transform to achieve transform)

在matlab中建立完整的永磁同步电机模型，并进行矢量控制仿真(Built integritily the permanent magnetic synchronous motor model in the MATLAB, and then do the simulation of vector control )

tms320c6748 RTC source code

波束赋形的matlab代码，多天线阵列控制信号的方向和幅度来控制接收信号(Beamforming matlab code, multi antenna array controls the direction and amplitude of the signal to control the received signal.)

本程序适用于Gradient Magnitude Similarity Deviation: A Highly Efficient Perceptual Image Quality Index(this code is used for Gradient Magnitude Similarity Deviation: A Highly Efficient Perceptual Image Quality Index)

采用matlab编制，可用于画随时间、地点变化的海流矢量图(The source code is written with matlab and can be used to draw time and space varying ocean currents)

说明：  LFM线性调频波的matlab实现方法，并附上几种常用算法。(The Matlab implementation method of LFM chirp is accompanied by several commonly used algorithms.)

大地测量计算过程中常用的几种坐标系BLH、 XYZ和NEU 转换工具(conversion tools for several commonly used geodetic coordinate systems, such as BLH, XYZ and NEU.)

OFDM降低峰平比采用预失真技术，程序仿真了加入预失真技术后的星座图与未加预失真的比较。结果比较明显。采用QAM映射。(OFDM PAPR reducing the use of pre-distortion technology, process simulation technology to join the pre-distortion of the constellation diagram and the following not pre-distortion comparison. More obvious results.)

基于二极管钳位型三电平DC/DC变流器调制(Diode clamped three level of DC/DC converter)