Virtual microphone signals of flying drones

Heutschi K, Ott B, Nussbaumer T & Wellig P
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Heutschi, K., Ott, B., Nussbaumer, T., & Wellig, P. (2021). Virtual microphone signals of flying drones. In Drone detectability: modelling the relevant signature. STO-MP-MSG-SET-183 (p. 8 (16 pp.). NATO; S&T Organization.