搜索资源列表
chandecode
- 基于4QAM的信道解码Matlab程序。
qammatlab
- 此代码是有关QAM的MATLAB的仿真，包括4QAM,16QAM,64QAM。还有其误码率的仿真
post
- DVB-T transmite 8K code rate 3/4 QAM-64 in Matlab (Simulink)-DVB-T transmite 8K code rate 3/4 QAM-64 in Matlab (Simulink)
ofdm_system
- OFDM系统仿真程序, 基于matlab平台，是采用4QAM调制。-OFDM system simulation program, based on matlab platform is 4QAM modulation.
BPSK_flat_fading_BER
- BPSK with flat fading effects
Rayleigh_ofdm
- 4QAM调制的OFDM多径传输，对不同的信道估计算法的误码性能进行比较-OFDM modulation 4QAM multi-path transmission, for different channel estimation algorithm to compare the BER performance
BPSK-64QAM
- 进行BPSK、4QAM、16QAM、64QAM的信号调制解调-For BPSK, 4QAM, 16QAM, 64QAM signal modulation and demodulation
matlab_balanced
- 对16QAM和4QAM信号的几种常见的均衡技术的MATLAB程序-16QAM and 4QAM signals on several common Equalization MATLAB program
OFDM-MATLAB
- 这里面有两个程序，两个都是采用4QAM调制。不过个人觉得第一个更容易懂，因为写的很有条理。我改的那个程序就是根据这个来的。 不过在这里面有个问题就是信道系数只能是由高到低，大家可以试试，改成[0.227 0.46 0.688 0.46 0.227]这个是老师给我的仿真中常用的信道系数，这个成为归一化信道，就是系数平方和为1. 第二个程序没有涉及到信道系数，但是这个程序当中，在128个子载波中，前后有32个空载波，这个在OFDM中也是经常用的，这样可以降低误码率。 -And there
4QAM
- COMUNICATION system simulation using 4QAM modulation scheme and AWGN channel calculate BER
14
- 随着信息容量的增加和频率资源的稀缺，为提高单位频带利用率，在微波通信系统中越来越多地采用多电平多相位的复杂信号调制方式，尤其是正交幅度调制(QAM)得到了大量的应用，从早期的4QAM到今天的16QAM。高阶QAM调制大容量数字微波通信系统为了保证服务质量，降低误码率，-long with the increase of information capacity and frequency resource scarcity, for improving the utilization ratio
OFDM_MATLAB
- 一个完整的OFDM信号模拟程序，在4QAM调制下估计了OFDM的性能。-A complete OFDM signal simulation program, estimated at 4QAM modulation OFDM performance.
QAM_4
- MATLAB coding for 4QAM is given
signal_mod_demod
- 信号调制和解调的函数，用matlab实现。内涵两个函数：sig_modulation与sig_demodulation。可实现MPSK,MPAM，4QAM，16QAM,64QAM的调制与解调。每个函数只需输入 信息比特，调试方式和调制阶数，即可使用。-Function of signal modulation and demodulation using matlab. Connotation the two functions: sig_modulation, and sig_demodula
ofdm
- matlab实现的OFDM运用于ROF光纤无线通信系统的仿真，用的是4QAM调制，LS信道估计，还包括Optisystem的仿真-simulation matlab achieve ROF optical fiber used in the OFDM wireless communication system, using 4QAM modulation, LS channel estimation, simulation also includes Optisystem
qamtr1
- QAM modulation which provides 4qam technihque that developed by Matlab to produce QAM modulation
viterbi_4QAM
- this is a matlab file to calculate viterbi for a 4qam modulation with convolutional code
115104000568
- 上数字通信课程时编写的大作业，主要设计一个基带通讯系统，采用QAM调制并且计算比特差错概率。-use MATLAB programming to implement some digital baseband communication systems, and plot the BER (bit error probability) versus Eb/N0 (from-5dB to 20dB) curves for 4QAM, 16QAM
OFDM4QAM
- 很好的QAM4映射和反映射matlab simulink仿真，希望对你有所帮助。-Good 4QAM mapping and de-mapping matlab simulink simulation, I hope for your help.
lr_07
- 这个 matlab 代码仿真了M-QAM的传输。M的取值不同，调制方式分别为4QAM，16QAM，64QAM等。传输信道为AWGN信道，能出误码率曲线(Digital Unit Impulse Discrete Harmonic Signals and their Linear Combination Harmonic Signal with Exponential Envelope. Periodic Sequence of Rectangular Impulses Mixture o