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Doppler
- 低轨卫星LEO通信系统的多普勒频移估计，通过该程序可以画出多普勒频移的S曲线，可以观测处最大的多普勒频移以及变化率-LEO LEO satellite communication system of the Doppler frequency shift is estimated that the program can be drawn through the Doppler shift of the S curve can be observed to be the highest Dopp
qctxkzcx
- 这个用于汽车通讯控制的程序,可对汽车进行转向,灯光前后监视等.-This for automotive communication control procedures, can shift vehicles, lighting, etc. before and after the surveillance.
QC_codes
- Construct the short length of QC LDPC codes without girth 4 and girth 6-The Program to construct the short length of QC LDPC codes without girth 4 and girth 6 Copyright (C) Yang XIAO, Jun FAN, BJTU, July 26, 2007, E-Mail: yxiao@bjtu.edu.cn.
ofdm_system
- OFDM整个系统结构，包括上下变频，多普勒频移，以及星座图调制和系统参数计算。-OFDM structure of the entire system, including upper and lower frequency, Doppler frequency shift, as well as the modulation constellation diagram and system parameters.
smallprograms
- bpsk-binary phse shift keying,fsk-frequency shift keying,hamming code,pcm-pulse coded modulation,dpsk-differential phase shift keying
Canais
- shift spread spectrum,
grd_test
- xwch_test.m是主测试文件；biaoji.mat存放滤波器系数；xiangweicha.m用FFT计算相位差。 仿真框架为： 1.标记信号和双音信号续接作为发送信号； 2.对双音中一个频率分量的相位做偏移，再经过一个低通滤波器（引入线性相位，模拟收发不能同步测量现象）后，作为收到的信号； 3.用一个检测信号对收发信号进行相关运算； 4.画出收发信号以及相关处理后的信号。找出相关信号的那个尖点，从而推算出收发双音信号0相位点； 5. 输入0相位点位置，计算
Carrier_Frequency_Nonideality
- It solves carrier frequency shift problem occurs in wireless communications by adjusting sampling clock rate.
com_ofdm
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
ofdm_chan_rayleigh_noise
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
ofdm_channel_rayleigh
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
ofdm_full_channel
- Orthogonal frequency-division multiplexing (OFDM), essentially identical to coded OFDM (COFDM) and discrete multi-tone modulation (DMT), is a frequency-division multiplexing (FDM) scheme used as a digital multi-carrier modulation method. A large numb
BER_MSK
- scr ipt for generting transmit waveforms in a minimum shift keying, passing through Additive White Gaussian Noise and employing coherent demodulation at the receiver and then computing the number of errors
fskcapacity
- matlab for Frequncy shift keying
bpskerror
- this program for calculating the bet error rate for the binary phase shift keying using matlab
ML_cp
- 这是关于ML的频偏估计算法的Matlab程序，希望有帮助哦-This is about ML of the doppler frequency shift estimation algorithm of Matlab program
MSK_10082011_OFDM512awgnPwr6
- minimum shift keying modulation with orthogonal frequency division multiplexing
MOD_DEMOD_DIGITALES
- To study the digital modulation techniques such as on-off keying (OOK), amplitude shift keying (ASK),frequency shift keying (FSK), binary phase shift keying (BPSK) and phase shift keying (PSK) pass band modulation and demodulation using MATLAB Simuli
phase
- 用simulink做的相移键控仿真，采用多层设计，结果良好-Simulink do with phase-shift keying simulation, using multi-layer design, with good results
STSK
- 空时移键控（STSK）的仿真程序，作为空间调制（SM,SSK）在时域的拓展-Space-Time Shift Keying (STSK) simulation program, as the spatial modulation (SM, SSK) to expand in the region