有源频谱压缩的正交码发送参考Chirp超宽带系统

doi:10.13190/jbupt.201006.107.zhangj

北京邮电大学学报 ›› 2010, Vol. 33 ›› Issue (6): 107-111.doi: 10.13190/jbupt.201006.107.zhangj

有源频谱压缩的正交码发送参考Chirp超宽带系统

张剑,胡捍英,汪涛,李霞

国家数字程控系统工程与技术研究中心, 郑州 450002

收稿日期:2009-11-04 修回日期:2010-05-20 出版日期:2010-12-28 发布日期:2011-01-07
通讯作者: 张剑 E-mail:swordrawn@hotmail.com
基金资助:
国家高技术研究发展计划重点项目（2009AA011205）; 国家科技重大专项项目（2009ZX03006008）

CodeOrthogonalized TransmittedReference Chirp UltraWideband  System with Active Spectrum Compressed Structure

Received:2009-11-04 Revised:2010-05-20 Online:2010-12-28 Published:2011-01-07

摘要/Abstract

摘要：

在已有发送参考脉冲超宽带系统基础上，针对拓展距离超宽带应用需求，借鉴雷达信号处理中的去斜脉冲压缩方法，提出了一种基于有源频谱压缩结构的正交码发送参考chirp超宽带系统. 数学推导和性能仿真结果表明，该系统兼具发送参考结构和chirp通信系统的优势，不需要模拟匹配滤波器件和高速模数转换器件，更有利于系统的小型化、低功耗和集成化设计.

关键词: 超宽带, chirp, 发送参考, 正交码, 有源频谱压缩

Abstract:

Based on the transmittedreference impulse radio ultrawideband (IRUWB) system, a new codeorthogonalized transmittedreference chirp UWB system is proposed to meet the needs of UWB application with increasing transmission distance. Referring to the dechirp methods in radar system, it designs an active spectrum compressed structure for the receiver. Analysis and simulation show that this system has both the advantages of transmittedreference IRUWB systems and chirpUWB systems. Furthermore, the analog matched filter and highspeed analogtodigital converter are not required, but facilitate system miniaturization, low powerconsumption and integration design.

Key words: ultrawideband, chirp, transmittedreference, orthogonal code, active spectrum compression

张剑,胡捍英,汪涛,李霞. 有源频谱压缩的正交码发送参考Chirp超宽带系统[J]. 北京邮电大学学报, 2010, 33(6): 107-111.

参考文献

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有源频谱压缩的正交码发送参考Chirp超宽带系统

CodeOrthogonalized TransmittedReference Chirp UltraWideband  System with Active Spectrum Compressed Structure

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