dianliuhuan2

turbo codes simulation

说明：  Kalman filtering model built with matlab

Gabor transform one way to compute and analyze the time-freq analysis

用于进行声压转换的matlab文件，声压数据来源于ansys软件的计算后导出来的。(Used for sound pressure to convert matlab file, sound pressure data from the calculation software ansys guide out.)

说明：  用S变换对电压暂降进行检测，得到基频幅值，相位跳变，突变点，谐波检测，频率幅值包络线等特征量(The S-transform is used to detect the voltage sag, and the characteristic parameters such as fundamental frequency amplitude, phase jump, mutation point, harmonic detection, frequency amplitude envelope are obtained)

一个雷达回波模拟的matlab程序包,含有在RCS服从卡方分布,瑞利分布,对数正态分布下目标的的雷达散射截面模拟子程序，(Matlab simulation of a radar package, containing the RCS subject to chi-square distribution, Rayleigh distribution, lognormal distribution of the target' s radar cross section simulation subroutine,)

说明：  使用滑模控制器对直流电机实现速度控制的matlab代码(Matlab code for speed control of DC motor using sliding mode controller)

对输入信号进行傅立叶变换，并画出单边频谱图(Of the input signal Fourier transform, and draw a unilateral Spectrum)

对视频系列进行运动估计及对其中的运动目标进行分割获得运动对象。(Series of video motion estimation and target one of the sport was moving object segmentation.)

这是一个实现256QAM星座映射的代码，使用格雷码编码方法。(This is an implementation of 256 qam constellation mapping code, the use of gray code encoding method. )