搜索资源列表
OFDM-Channel-Estimation-MATLAB-Code
- OFDM系统中的基于导频信号的信道估计,非常适合与初学者使用!-OFDM system based on pilot signal channel estimation, very suitable for beginners!
chapter9
- 简单的ofdm信号,主要为信号的建立过程,另有瑞利衰弱信道的代码-The simple OFDM signals, mainly for the establishment process of the signal, otherwise Rayleigh Fading Channels code
OFDM
- 首先根据短训练字的特性进行相关运算,进行信号到达检测,当检测到相关值大于门限一定次数后,认为有信号到达。然后根据长训练字的特性,进行相关运算,进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后,先在时域进行小频偏的估计,将两个长训练字进行小频偏补偿后,进行FFT运算,根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后,就可以进行数据解调了。先对数据部分进行完整的频偏补偿,然后根据估计的FFT窗口位置进行FFT运算得到频域的数据,进行解调。然后在对应于导频的子载波位置上提
OFDM
- 基于OFDM的盲信道估计与信号识别的算法,很基本的内容,特别是盲信道估计-Blind channel estimation based on the OFDM signal recognition algorithm, the basic content, especially blind channel estimation
OFDM-analysis-and-simulation
- 实现了光OFDM模块的各个功能,同时仿真分析了OFDM的载波幅度谱、相位谱、每个载波对应的时域信号、整个时域/频域的OFDM、每个接收符号的分布图。计算了相位差-To achieve the various functions of the optical OFDM module, the simulation analysis of the the the OFDM carrier amplitude spectrum and phase spectrum, and the time doma
scriptofdmtx
- 在发射端产生OFDM信号,生成信号的波形已被画出。-OFDM signal generated at the transmitter side, the signal generated waveform is drawn.
OFDM
- 该程序简单的仿真了OFDM系统,包括信号的产生,映射,调制,加噪,解调-The program is simple simulation of the OFDM system, including signal generation, mapping, modulation, noise, demodulation
Synchronization-Technology-of-OFDM
- 一种新的符号定时和载波频率同步算法,该算法将OFDM符号分成几部分。它使用相关性和积累在几个OFDM同步算法对OFDM系统基于试点,使用前言快速、准确获取信号,在有限的时间建立同步,利用导频跟踪同步信息-A new symbol timing and carrier frequency synchronization algorithm is presented and the algorithm divides the OFDM symbol into several parts. It us
OFDM
- OFDM完美出图,信噪比,16QAM星座图,加窗信号时域和频域波形图-Perfect figure, OFDM SNR, 16 qam constellation diagram, add window signal time domain and frequency domain waveform figure
OFDM-communication
- 正交频分复用技术,是多载波调制的一种,文档中有源程序和原理图,有一定数字信号处理知识容易理解-Orthogonal frequency division multiplexing, is a multi-carrier modulation, the document has source code and schematics, a certain knowledge of digital signal processing is easy to understand
ofdm
- 设计一个频分复用调制系统,将12路语音信号调制到电缆上进行传输,频分复用专题设计,-failed to translate
ofdm
- 在ofdm系统中,该步骤实现ofdm的调制和解调,即对信号进行加循环前缀,串并变换等步骤-In ofdm system, the steps to achieve ofdm modulation and demodulation, the signal is added to the cyclic prefix string and transform other steps
wideband_OFDM
- 宽带OFDM信号模型的建立,用于宽带OFDM信号的DOA估计,已经用于毕业设计-Wideband OFDM signal model, for broadband OFDM signal DOA estimation, has been used for graduation
CSM_2_peak_search
- 基于宽带OFDM信号的DOA估计,采用经典的CSM算法,聚焦后采用传统MUSIC算法,最后通过谱峰搜素算法得到估计的来波角-Based on broadband OFDM signal DOA estimation, using the classical CSM algorithm, after focusing the traditional MUSIC algorithm, and finally through hormone peak search algorithm to estim
OFDM
- 首先根据短训练字的特性进行相关运算,进行信号到达检测,当检测到相关值大于门限一定次数后,认为有信号到达。然后根据长训练字的特性,进行相关运算,进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后,先在时域进行小频偏的估计,将两个长训练字进行小频偏补偿后,进行FFT运算,根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后,就可以进行数据解调了。先对数据部分进行完整的频偏补偿,然后根据估计的FFT窗口位置进行FFT运算得到频域的数据,进行解调。然后在对应于导频的子载波位置上提
OFDM_simple_simulation
- 仿真产生OFDM信号;通过信道;实现解调。子载波用16QAM调制。-Simulation generate OFDM signals through the channel achieve demodulation. Subcarriers with 16QAM modulation.
OFDM_signal
- 用matlab实现ofdm信号和它的累积分布函数代码-Using matlab ofdm signal and its cumulative distribution function code
ofdm
- 产生供选择的16qam 64qamOFDM信号-Generating a signal for the selected 16qam 64qamOFDM
ofdm--outer
- ofdm调制信号Matlab仿真生成代码 压缩包内为.m文件可直接用matlab打开-ofdm outer
ofdm-rar
- OFDM(Orthogonal Frequency Division Multiplexing)即正交频分复用技术,实际上OFDM是MCM Multi-CarrierModulation,多载波调制的一种。其主要思想是:将信道分成若干正交子信道,将高速数据信号转换成并行的低速子数据流,调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开,这样可以减少子信道之间的相互干扰 ICI 。每个子信道上的信号带宽小于信道的相关带宽,因此每个子信道上的可以看成平坦性衰落,从而可以消除码间