中国移动多媒体广播外辐射源雷达相干积累的非均匀采样实现  

Coherent Integration Implementation for China Mobile Multimedia Broadcasting Based Passive Radar with Nonuniform Sampling

作　　者：易建新[1] 万显荣[1] 方亮[1] 岑博[1] 饶云华[1] 

机构地区：[1]武汉大学电子信息学院,武汉430072

出　　处：《电子与信息学报》2012年第11期2648-2653,共6页Journal of Electronics & Information Technology

基　　金：国家自然科学基金(60971101;41074116);湖北省杰出青年基金(2009CDA016)资助课题

摘　　要：中国移动多媒体广播(CMMB)与欧洲数字视频地面广播(DVB-T)的信号结构有显著区别,使得CMMB外辐射源雷达信号处理方法和实时并行计算面临一些新问题。该文针对CMMB信号的特殊结构,提出了一种易于并行实现的非均匀采样相干积累方法。首先阐述了算法的内在机理和处理流程,接着分析了该方法的分辨率与主旁瓣性能,最后通过实测数据处理验证了所提方法的有效性。The signal structure of China Mobile Multimedia Broadcasting （CMMB） is significantly different from Europe Digital Video Broadcasting-Terrestrial （DVB-T） signal, which implies that the CMMB-based passive bistatic radar faces some new problems in signal processing methods and real-time parallel computation. In accordance with the signal structure of CMMB, this paper proposes a coherent integration method based on nonuniform sampling which is inherently easy to be implemented parallelly. The internal mechanism and processing procedure are clarified first. Then its resolution and sidelobe performance are demonstrated. Finally, real-life data processing confirms the effectiveness of the proposed method.

关 键 词：外辐射源雷达 非均匀采样 相干积累 中国移动多媒体广播 数字地面电视 

分 类 号：TN958.97[电子电信—信号与信息处理]