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Aircraft flight parameter estimation using acoustical Lloyd's mirror effect

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3 Author(s)
Lo, K.W. ; Defence Sci. & Technol. Organ., Pyrmont, NSW, Australia ; Perry, S.W. ; Ferguson, B.G.

A model is developed for the acoustical Lloyd's mirror effect observed in the output time-frequency distribution of a microphone located near the ground during the transit of a jet aircraft. The feasibility of using this effect for flight parameter estimation is assessed by a simple Cramer-Rao lower bound analysis. The nonlinear least-squares method and the generalized Hough transform method are formulated for flight parameter estimation. The performances of both methods are evaluated and compared using real acoustic data

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Aerospace and Electronic Systems, IEEE Transactions on  (Volume:38 ,  Issue: 1 )