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OFDM signal spectrum
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plot OFDM spectrum, signal modulation and signal demodulation.
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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
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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
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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
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该程序用于基于认知无线电NC-OFDM系统的仿真,用来计算信号的功率谱密度-The program for the NC-OFDM Cognitive Radio system simulation for calculating the power spectral density of the signal。
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本文有关于OFDM循环谱的推导
可贵的是还有带循环前缀的循环谱推导
仿真了OFDM循环谱,介绍了相关理论估计盲信号参数以及改进算法-The OFDM cyclic spectrum and bilnd signal estimating
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一个计算声子晶体结构的一维传递矩阵法,ofdm系统仿真 含16qam调制 fft 加窗 加cp等模块,分析了该信号的时域、频域、倒谱,循环谱等。- A one-dimensional transfer matrix method to calculate the phonon crystal structure, ofdm system simulation including 16qam modulation fft windowing modules plus cp, Analysis of
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