wuyueshuyiweijizhi

用Simulink搭建的直接序列扩频（DS-SS）系统仿真模型，仿真结果比较理想。(A simulation on DS-Spread Spectrum communication system based on Simulink toolbox.)

一种由运放构成的恒流源电路，文章中详细介绍了运放的构成及计算(analysis of voltage controlled constant dc current source on OP)

说明：  光伏并网逆变器，阳光电源，测试部设计,有待修改 (pv grid inverter,sungrow,test dept desigen)

CAR PHONE SOFTWARE VIET NAM

语音端点检测算法，在matlab里面实现语音端点的准确检测。为读者开发噪声环境下的精确VAD提供思路.(voice endpoint detection algorithm in Matlab voice inside the precise endpoint detection. Readers development under noisy environments to provide accurate VAD ideas.)

Read video into MATLAB using aviread and alculate the background image . Initialization for Kalman Filtering. Calculate the difference image to extract pixels with more thanthreshold change. and Plot the tracking rectangle after Kalman filtering

function [x,n] = stepseq(n0,n1,n2)

一维多普勒频谱，不同算法的一维多普勒频谱比较(1D Doppler spectra)

root_MUSIC、BT等算法的Matlab实现，简单易懂，对于了解该算法很有帮助(The C code of root_music in Matlab.It is a good way to learn them)

说明：  室内定位算法仿真，，，，，亲测有效。。。。(The indoor positioning algorithm simulation,,,,, pro-test is effective. . . .)