Abstract
The time-frequency analysis of the signal acquired by a single ground-based microphone shows a two-dimensional interference pattern in the time-frequency plane, which is caused by the time delay of the received signal emitted from a low flying aircraft via the direct path and the ground-reflected path. A model is developed for estimating the motion parameters of an aircraft flying along a straight line at a constant height and with a constant speed. Monte Carlo simulation results and experimental results are presented to validate the model, and an error analysis of the model is presented to verify the effectiveness of the estimation scheme advocated.
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Communication author: Dai Hongyan, born in 1982, female, master. Department of Automation, Tsinghua University, Beijing 100084, China.
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Dai, H., Zou, H. Aircraft motion parameter estimation via multipath time-delay using a single ground-based passive acoustic sensor. J. of Electron.(China) 24, 353–357 (2007). https://doi.org/10.1007/s11767-005-0215-6
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DOI: https://doi.org/10.1007/s11767-005-0215-6