NDLI: Accidental radio jamming suppression in passive radar

Content Provider	IEEE Xplore Digital Library
Author	Heng Zheng Hongli Zhao Fei Li
Copyright Year	2008
Description	Author affiliation: East China Res. Inst. of Electron. Eng., Hefei (Heng Zheng; Hongli Zhao; Fei Li)
Abstract	Bistatic passive radar based on opportunity illuminators such as FM radio, is a hotspot in the domain of radar. The direct/multi-path signals cancellation techniques(DSC) have been discussed by many scholars. These considered algorithms adopt a single-stage adaptive filter processor frame, have sufficient performance in the cancellation of the direct/multi-path interference signals from the selected transmitter. In practice, because of the complicated atmospheric propagation influence (as maritime evaporation ducts), or the active radio jamming, the single-stage DSC would be invalid. In this paper, we propose a two-stage canceller to suppress the direct interferences and the jamming of the unknown radio at the same frequency. Field experiments and simulations validate our proposition. After direct/multi-path signals being cancelled in the first stage, the second stage of the canceller can improve the jamming suppression above 20 dB.
Starting Page	1
Ending Page	5
File Size	669902
Page Count	5
File Format	PDF
ISBN	9781424415380
ISSN	10975659
DOI	10.1109/RADAR.2008.4721054
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-26
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Jamming Passive radar Interference cancellation Adaptive filters Signal processing Radio transmitters Ducts Interference suppression Radiofrequency interference Frequency two-stage canceller passive radar anti-jamming
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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