Passive bistatic radar for helicopters classification: a feasibility study

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

14 Citations (Scopus)

Abstract

The alternative use of the Global Navigation Satellite System (GNSS) has recently initiated a number of studies that aim to exploit this system as an illuminator of opportunity for a passive radar system. In this paper a Passive Bistatic Radar configuration using a GNSS as illuminator in near forward scattering zone for micro-Doppler analysis is proposed. The received signal power is the main issue for this kind of passive radar, however it will be argued in the paper that the forward scattering enhancement can be exploited to cope with this issue. The analysis focusses on the case of helicopters rotor blades where the Doppler shift is very high and a large wavelength is useful in reducing the maximum Doppler shift. The power budget analysis for this kind of configuration and target is presented. The paper demonstrates the possibility of detecting these kind of targets and to measure their micro-Doppler signatures. The theoretical analysis demonstrates the effectiveness of the proposed configuration for micro-Doppler signature analysis.
LanguageEnglish
Title of host publication2012 IEEE Radar Conference (RADAR)
PublisherIEEE
Pages946-949
Number of pages4
ISBN (Print)978-1-4673-0656-0
DOIs
Publication statusPublished - May 2012

Fingerprint

Forward scattering
Doppler effect
Helicopters
Navigation
Radar
Satellites
Helicopter rotors
Radar systems
Turbomachine blades
Wavelength

Keywords

  • GNSS
  • global navigation satellite system
  • passive
  • bistatic radar
  • helicopters classification
  • feasibility study

Cite this

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abstract = "The alternative use of the Global Navigation Satellite System (GNSS) has recently initiated a number of studies that aim to exploit this system as an illuminator of opportunity for a passive radar system. In this paper a Passive Bistatic Radar configuration using a GNSS as illuminator in near forward scattering zone for micro-Doppler analysis is proposed. The received signal power is the main issue for this kind of passive radar, however it will be argued in the paper that the forward scattering enhancement can be exploited to cope with this issue. The analysis focusses on the case of helicopters rotor blades where the Doppler shift is very high and a large wavelength is useful in reducing the maximum Doppler shift. The power budget analysis for this kind of configuration and target is presented. The paper demonstrates the possibility of detecting these kind of targets and to measure their micro-Doppler signatures. The theoretical analysis demonstrates the effectiveness of the proposed configuration for micro-Doppler signature analysis.",
keywords = "GNSS, global navigation satellite system, passive, bistatic radar, helicopters classification, feasibility study",
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Passive bistatic radar for helicopters classification : a feasibility study. / Clemente, Carmine; Soraghan, John J.

2012 IEEE Radar Conference (RADAR). IEEE, 2012. p. 946-949.

Research output: Chapter in Book/Report/Conference proceedingConference contribution book

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