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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
114611-ppt-pudn
- Performance analysis of Cyclostationarity basedSpectrum Sensing for Cognitive Radio Functionalities of a CR IEEE 802.22 : WRAN(Wireless Regional Area Network) The IEEE 802.22 standard relative to other IEEE 802 wireless data transmi