A/D	Analog-to-digital converter
AOP	Acoustic Overload Point
BPF	Blade Passing Frequency
DAMAS	Deconvolution Approach for the Mapping of Acoustic Sources
DLR	Deutsches Zentrum für Luft-und Raumfahrt (German Aerospace Center)
DNW	Deutsch-Niederländische Windkanäle (German-Dutch Wind Tunnels)
FR	Frequency response
MEMS	Micro Mechanical System
PCB	Printed Circuit Board
SNR	Signal-to-Noise Ratio
THD+N	Total Harmonic Distortion + Noise
TWG	Transonic wind tunnel facility