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OFDM
- 给出了OFDM在卫星通信中的系统框图并 在Simulink中仿真实现，利用改进的CMA恒模算法进行盲均衡处理，来去除时变卫星信道对信号的影响,基于4阶累积量的方法 将OFDM信号与其他调制类型信号区分开来-OFDM is given in the satellite communication system block diagram and Simulation in Simulink using the modified constant modulus algorithm CMA
OFDM_Technique_Simulation_Performance
- 摘要:基于通信技术的列车运行控制系统(CBTC)是铁路信号的发展方向，交频分复用 OFDM)是一种无线环境下的高速传输技术，它对高速列车控制信息传输中卞要受到的由于多 径传播引起的快衰落所产生的影响有很强的抵抗能力.本文首先介绍了OFDM技术的发展和 基本原理，然后在计算机上用M atlal〕对其性能进行了仿真，仿真中将OFDM与传统的单载波 调制方式—i1，交振幅调制( 1frQAM)对抗多径十扰的性能进行了比较，最后分析了一者的仿真结果. -Abstract: Based
MIMO_OFDMdetection
- MIMO-OFDM系统检测算法。就目前MIMO-OFDM系统的研究热 点：发射信号方案设计和接收端信号检测中的关键技术和算法进行了深入的研究。 文中系统而全面的介绍了目前MIMO-OFDM系统主要检测算法，通过仿真比较了 不同算法的性能-MIMO-OFDM system detection algorithm. On the MIMO-OFDM system hot spots: the launch signal design and receiver signal detecti
practisereport
- OFDM(正交频分复用)技术实际上是MCM(Multi-Carrier Modulation，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，从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分，信道均衡变得相对容-OFDM (
duoyonghujianche
- 本论文从TH-UWB的信号结构特点出发，分析了TH-UWB系统多址干扰与 CDMA系统多址干扰的不同特点，提出了多个低复杂度的多用户检测器。-In this paper, from the TH-UWB signal structure characteristics of an analysis of TH-UWB system with multiple access interference CDMA systems multiple access interference of
N198_baseband-signal-generator_AFQ100B_f
- document sur l uwb multi bandes OFDM
ofdm_signal_spec
- OFDM signal spectrum
ofdmspectrum
- plot OFDM spectrum, signal modulation and signal demodulation.
blindcfo
- OFDM(Orthogonal frequency-division multiplexing)意即正交頻分複用技術對頻率偏移極為敏感,初期皆以導引信號作為偵測. 後期則著重在盲通道估測~此兩篇論文是盲通道的技術~有助於你學習更多知識 -OFDM (Orthogonal frequency-division multiplexing) means orthogonal frequency division multiplexing frequency offset pairs are
PAPR_OFDMprc
- PEAK TO AVERAGE POWER RATIO REDUCTION OF DM SIGNALS USING PEAK REDUCTION CARRIERS: ABSTRACT A technique is described for a better than 5 dB reduction in the Peak to Average Power Ratio (PAPR) of an OFDM signal. The optimal amplitude and pha
D_PTS
- 一篇优秀的硕士论文,关于低复杂度的降低OFDM信号峰均功率比的算法-An outstanding master' s thesis on the reduction of low-complexity OFDM signal PAPR algorithm
gjlj
- 重点研究 了低信噪比﹑多径瑞利衰落信道条件下，基于高阶累积量的OFDM信号盲识别技 术。提出了利用奇数阶累积量区分OFDM信号与单载波信号的方法，并对基于三 阶和五阶累积量的算法进行了仿真分析。 -﹑ Focus on the low SNR multipath Rayleigh fading channel conditions, based on cumulant OFDM signal blind identification technology. Made a dist
OFDM
- 针对在无线电监测和认知无线电系统中,信号参数估计这一重要问题,证明了OFDM信号具有循环平稳性的必要条件是加循环前缀或有非矩形脉冲成型,并以线性周期时变变换(LPTV)模型为基础,推导了OFDM信号的循环谱表达式-For radio monitoring and cognitive radio systems, signal parameter estimation of this important issue, the necessary condition for the OFDM sig
OFDM-signals
- 针对无线电监测和认知无线电系统中正交频分复用(OFDM) 信号参数估计这一重要问题,提出了用频域累积法算OFDM 信号的循环自相关函数的数值计算方法.-For radio monitoring and cognitive radio systems, orthogonal frequency division multiplexing (OFDM) signal parameter estimation of this important issue, the accumulation meth
OFDM-signals-with-low-SNR
- 针对认知无线电系统中正交频分复用( OFDM )信号参数估计这一重要问题, 利用OFDM 信号的循环谱实现了符号周期的盲估计。-For cognitive radio systems, orthogonal frequency division multiplexing (OFDM) signal parameter estimation of this important issue, the cyclic spectrum of the OFDM signal to achieve the
ofdm
- OFDM信号发生代码，包括具体参数设置，以及注解说明-OFDM signal generated code，Including the specific parameter settings
Fiber-based-OFDM-Transmission
- 一篇介绍OFDM信号在光纤信道中的传输的文章。理论分析非常详实。使用matlab和VPI联合仿真。matlab代码附在文章后面。-Article article OFDM signal in fiber channel transmission. The theoretical analysis is very informative. Using matlab and VPI joint simulation. The matlab code attached to the end of th
Design-and-Simulation-of-OFDM
- 这是一篇关于OFDM信号的设计和仿真的文献，文章最后附有非常详细的开源代码，非常值得大家参考学习。-This is an OFDM signal design and simulation literature, articles last with a very detailed open source code, very worthy reference learning.
ofdm-tx-rx
- Abstract Orthogonal frequency division multiplexing (OFDM) is becoming the chosen modulation technique for wireless communications. OFDM can provide large data rates with sufficient robustness to radio channel impairments. Many research centers
The-Introduction-Of-OFDM-Spectrum
- 本文介绍了OFDM技术及其功率谱的，并通过仿真研究了OFDM的功率谱密度特点。在同样条件下，增大子载波数目，会使信号带宽增加，带外衰减加快，功率谱密度图形更加接近于矩形。另外，添加循环前缀将使离散峰值谱线的值略微增大。-This article describes the OFDM technology and its power spectrum, and to study the characteristics of the power spectral density of the OFD