Monitoring the HF spectrum in the presence of noise

被引：5
|
作者：
Giesbrecht, JE [1 ]
Clarke, R [1 ]
Abbott, D [1 ]
机构：
[1] Univ Adelaide, Ctr Biomed Engn, Adelaide, SA 5005, Australia
来源：
NOISE IN COMMUNICATION | 2004年 / 5473卷
关键词：
modulation recognition; entropy; coherence; spectrum monitoring; HF;
D O I：
10.1117/12.546672
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This paper reviews modulation recognition in the context of HF radio-communications. We investigate entropic distance measures and coherence measures for recognizing HF modulations. Preliminary results shown that it may be possible to identify a modulation and its transmit power level based on the entropic distance between it and another modulation. Coherence estimates may provide characteristic signatures that can be used to identify modulation types.
引用
收藏
页码：76 / 84
页数：9
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