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| 一种基于脉冲压缩的UWB成形脉冲设计方法 | |
| 引用本文： | 张洪欣,吕英华,贺鹏飞,王野秋,王登伟.一种基于脉冲压缩的UWB成形脉冲设计方法[J].北京邮电大学学报,2007,29(1):132-135. |
| 作者姓名： | 张洪欣 吕英华 贺鹏飞 王野秋 王登伟 |
| 作者单位： | 1. 北京邮电大学,电子工程学院,北京,100876 2. 北京邮电大学,通信网络综合技术研究所,北京,100876 |
| 基金项目： | 国家自然科学基金，教育部光通信和光波技术重点实验室基金 |
| 摘 要： | 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. |
| 关 键 词： | 超宽带 成形脉冲 功率谱密度 线性调频 同频干扰 |
| 文章编号： | 1007-5321（2007）01-0132-04 |
| 收稿时间： | 2006-02-18 |
| 修稿时间： | 2006年2月18日 |
A Novel Method to Generate UWB Shaping Pulses Based on Compressed Chirp |
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| ZHANG Hong-xin,L Ying-hua,HE Peng-fei,WANG Ye-qiu,WANG Deng-wei.A Novel Method to Generate UWB Shaping Pulses Based on Compressed Chirp[J].Journal of Beijing University of Posts and Telecommunications,2007,29(1):132-135. | |
| Authors: | ZHANG Hong-xin L Ying-hua HE Peng-fei WANG Ye-qiu WANG Deng-wei |
| Affiliation: | . School of Electronic Engineering , Beijing University of Posts and Telecommunications, Beijing 100876 ,China; 2. Institute of Telecommunication and Network Technology, Beijing University of Posts and Telecommunications, Beijing 100876, China |
| Abstract: | Based on compressed chirp pulses and the linear superposition of these signals,a novel method to generate ultra wide band(UWB) shaping pulses was proposed.It is flexible and easy to get UWB shaping pulses,which not only can comply with the requirement of a special spectrum mask,but also can suppress the co-channel interference between UWB and the existing narrow band systems.The simulation results show that the power spectral density(PSD) distribution of the UWB shaping pulse is accorded with the federal communications commission(FCC) mask very well,and also has very high spectrum utilization ratio.It needn't to reduce the transmitted power in the whole UWB frequency band to resolve the co-existence problem between UWB and the narrow band communication systems. |
| Keywords: | ultra wide band shaping pulse power spectral density linear frequency modulation cochannel interference |
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