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一种基于脉冲压缩的UWB成形脉冲设计方法

DOI: 10.13190/jbupt.200701.132.zhanghx, PP. 132-135

Keywords: 超宽带,成形脉冲,功率谱密度,线性调频,同频干扰

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Abstract:

基于压缩Chirp脉冲与信号的线性叠加,提出了一种产生超宽带(UWB)成形脉冲的新方法.该方法可以灵活方便地得到符合特定频谱要求的成形脉冲,能抑制UWB系统与窄带通信系统之间的同频干扰.仿真结果表明,产生的UWB瞬时成形脉冲,其功率谱密度分布符合美国联邦通信委员会(FCC)的要求,而且具有极高的频谱利用率;不需要在整个频段降低发射信号的功率,就可以解决UWB系统与现有窄带通信系统之间的频谱共存问题.

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