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Detection and direction-finding of spread spectrum signals using correlation and narrowband interference rejection
KTH, Tidigare Institutioner, Signaler, sensorer och system.
KTH, Tidigare Institutioner, Signaler, sensorer och system. KTH, Skolan för elektro- och systemteknik (EES), Centra, ACCESS Linnaeus Centre.ORCID-id: 0000-0002-2718-0262
2003 (engelsk)Inngår i: Nordic Matlab Conference 2003, 2003Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

An algorithm for correlation-based detection of direct sequence spread spectrum signals with direction finding, including direction-filtering and narrow-band interference rejection, is implemented and evaluated in MATLAB. An analog noise-free signal is generated and sampled by a test-bed system. Numerical simulations are run based on data corrupted by mutually uncorrelated white Gaussian noise sequences, and also with recorded noise from two spatially separated HF radio receivers. The simulations and measurements show promising results for detection and direction-finding of covert wideband signals in low SNR and in presence of narrowband interferers. Direction filtering is shown to improve the results.

sted, utgiver, år, opplag, sider
2003.
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Identifikatorer
URN: urn:nbn:se:kth:diva-85893OAI: oai:DiVA.org:kth-85893DiVA, id: diva2:500175
Konferanse
Nordic Matlab Conference 2003; Copenhagen, Denmark, 21–-22 October 2003
Merknad

QC 20131122

Tilgjengelig fra: 2012-02-13 Laget: 2012-02-13 Sist oppdatert: 2013-11-22bibliografisk kontrollert

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