combat1

qrs detection code written in matlab

2011年大学生数学建模竟赛A题答案（Matlab程序和数据文件）(2011 Mathematical modeling of race A question the answer (Matlab programs and data files))

modul pelatiah matlab berbahasa indonesia

说明：  实现chirp信号的仿真，帮助初学者更好地理解chirp信号，便于日后的学习(Realize the simulation of chirp signal, help beginners better understand chirp signal, and facilitate future learning)

matlab 计算潮流 用于计算电力系统的潮流，采用matlab程序语言，精确度0.01(matlab flow)

使用样本协方差矩阵求逆方法仿真的波束图。使用的是均匀线列阵，信号方向为10度，有噪声，没有干扰。(Using the sample covariance matrix inversion method for the simulation beam pattern. Using a uniform linear array, the signal direction of 10 degrees, there is noise, no interference.)

This program plots the BER vs SNR for a 4X4 MIMO-OFDM system.

the code uploaded is very useful in geretanig multipath rayleigh fading channel for ofdm system

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 ( a OFDM symbol 128 effective symbols, insert 128 virtual sub-carrier symbol rate (i.e. valid data rate), and fsymbol sending rate (need to include virtual sub-carrier) 2fsymbol input data need 2 times the sending data rate for interpolation, realize a timing tracking, namely fsymbol sampling rates four times the modulation signal OFDM symbol Nfft = 128 points a OFDM symbol of data points Nfft* 2 = 256, Guard Interval point = Ng* 2 = 64 )

处理数据中有很好的应用，里面有验证函数，可以进行验证。(Processing data has a good application, there are validation functions, can be validated.)