Fig. 1. Wavelet spectrogram for data from seven annularly distributed sensors in
early pre-stall period showing the intermittent emergence of spiky disturbances
(
a
), in a period closer to stall showing the more frequent and longer lasting
spiky disturbances (
b
and in aperiod immediately prior to stall showing one spiky
disturbance growing up to stall cell
ISSN 0236-3941. Вестник МГТУ им. Н.Э. Баумана. Сер. “Машиностроение”. 2006. № 2 117
