摘要
采用不同幅度和延迟的高斯函数脉冲组合来拟合抽样函数脉冲,利用拟合的抽样函数脉冲设计超宽带脉冲信号,实现美国联邦通信委员会制定的辐射掩蔽要求的高效逼近.该方法产生的脉冲波形具有实现简单、持续时间短、带外辐射功率小、容易进行时域或频域调节等特点.与已报道的几种脉冲比较,设计的脉冲可携带更多的能量,同时具有良好的带内(窄带或宽带)干扰抑制能力,能够和带内的其他通信系统更好的共存.最后,对设计的脉冲波形和最佳高斯波形的通信性能进行了比较,表明文中波形的性能明显优于最佳高斯波形.
Using the combination of Gaussian monocycles p ulse with different amplitude and different delay, a new ultra-wideband （UWB） pulse design algorithm for Inband （narrowband or wideband） interference suppression is presented. With a Wireless Personal Area Network（WPAN） Communications short duration and a simple implement, the obtained UWB pulse not only meet Federal Communications Commission（FCC） spectral mask, but dramatically suppress the mutual interferences and successfully solves the coexistence problem between UWB system and others existing communication system. Compare with other pulse shapes,our pulse can carry more energy. In the end,the communication performance of the UWB pulse in the paper and the optimal Gaussian-based monocycle is compared,our pulse have an obvious advantage over the optimal Gaussian-based monocycle.
出处
《光子学报》
EI
CAS
CSCD
北大核心
2006年第9期1345-1348,共4页
Acta Photonica Sinica
基金
宁波市青年基金资助(2004A620001)
关键词
脉冲波形
超宽带
干扰抑制
功率谱密度
辐射掩蔽
Pulse shape
Ultra-wideband
Interference suppression
Power spectral density
Spectral mask
