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Rotating shafts experience a an elliptical motion called whirl. It is important...
Rotating shafts experience a an elliptical motion called whirl. It is important to decompose this motion into a forward and backward whil orbits. The current function makes use of two sensors to generate a bi-directional spectrogram. The method can be extended to any time-frequency distribution
%
% compute the forward/backward Campbell/specgtrogram
%
% INPUT:
% y (n x 2) each column is measured from a different sensor
% ///////
% __
% |s1| y(:,1)
% |__|
% __
% / ________|/
% | | | s2 |/ y(:,2)
% \____/ --------|/
%
% Fs Sampling frequnecy
%
% OUTPUT:
% B spectrogram/Campbel diagram
% x x-axis coordinate vector (time or Speed)
% y y-axis coordinate vector (frequency [Hz])
-an experience a elliptica l motion called whirl. It is important to decomp Rose this motion into a forward and backward whil orbits. The current function makes use of two se nsors to generate a bi-directional spectrogra m. The method can be extended to any time-freque ncy di
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- 积分:1
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