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VHF antenna array processing: high accuracy direction finding and performance evaluation with real data

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4 Author(s)
Wang, F. ; Commun. Res. Lab., McMaster Univ., Hamilton, Ont., Canada ; Lo, T. ; Litva, J. ; Read, W.

The authors present a description of practical data processing techniques that have been used for direction finding (DF) with a real array. The measured data were collected using a DF trial `test-bed', which was developed at DREO and is based on digital beamforming (DBF) technology. The system transmitters are used to simulate a complex signal environment and can be operated at a continuum of frequencies in the VHF band. The authors present the technique used to generate Q channel signals based on I channel measurements, signal modelling, array error calibration, multiple snapshot spatiotemporal estimation, and performance evaluation for a number of direction finding techniques. Direction finding results for a wideband radio source are included

Published in:

Radar, Sonar and Navigation, IEE Proceedings -  (Volume:141 ,  Issue: 3 )