SCM

matlab code for finite element Q4

cvt混合动力汽车仿真模型图，前后轮制动力分配曲线图绘制(cvt hybrid vehicle simulation model diagram, front and rear brake force distribution curve drawing)

image processing , laplacian filter using matlab

//////// OFDMA //////////// No. of Subcarriers NS = 512 Input Generation x = rand(1,NS)>0.5 fftlength = 512

关于声表面波的滤波器的实现，MATLAB源代码，有关于频域的图。(On the surface acoustic wave filter implementation, MATLAB source code, on the frequency domain map.)

This is a program to describe cooperative spectrum sensing of Cognitive radio implemented in cognitive radio

一个OFDM符号128个有效符号，插入128个虚拟子载波 符号率（即有效数据率）fsymbol，而发送速率（需要包括虚拟子载波）2fsymbol 输入的数据需要2倍的发送数据率，以便进行内插，实现位定时跟踪，即4倍fsymbol采样率的调制信号 OFDM symbol Nfft=128 points 一个OFDM符号数据点 Nfft*2 = 256 ， Guard Interval点 ＝Ng*2=64 (128 of an OFDM symbol of a valid symbol 128 inserted virtual sub-carrier Symbol rate (the effective data rate) fsymbol sending rate (including virtual subcarriers) 2fsymbol Of the input data needs to be 2 times the transmission data rate, in order to carry out the interpolation, to achieve the bit timing tracking, i.e. four times the sampling rate modulation signal fsymbol OFDM symbol Nfft = 128 points One OFDM symbol data points nfft* 2 = 256, the Guard Interval dot = Ng* 2 = 64)

说明：  相信对初学者比较有用，欢迎大家下载并交流与指导。(Believe that the more useful for beginners, are welcome to download and exchange and guidance.)

用matlab实现通信系统中的DPSK差分编码器的源代码(the matlab source code of DPSK)

高斯厄尔米特积分代码，实现高斯积分功能，环境为matlab(Gauss int)