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Directional wide band time reversal digital beam forming FIR filter design using bore-sight calibration data

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3 Author(s)
Lin, D.M. ; Aerosp. Component Div., Air Force Res. Lab., Wright-Patterson AFB, OH, USA ; Liou, L.L. ; Tsui, J.B.Y.

The time reversal wide band digital beam forming and calibration technique is briefly described. New techniques using the bore-sight probing RF signal alone to derive the time reversal FIR (Finite Impulse Response) filter set are discussed. In the digital beam forming simulation, a set of 50-tap FIR filters measured from a 16 channel of 1 to 8GHz tunable 500Mhz bandwidth front end digitized system is used as RF front end. The simulation results of the previous time reversal approach and new approaches are compared.

Published in:

Aerospace and Electronics Conference (NAECON), Proceedings of the IEEE 2010 National

Date of Conference:

14-16 July 2010