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a
b
1.4
0.05
0
1.2
−0.05
1
−0.1
0.8
−0.15
0.6
−0.2
0.4
−0.25
0.2
−0.3
0
−0.35
0
10
20
30
40
50
60
0
10
20
30
40
50
60
q
q
Fig. 12.30 Temperature time variation—profile 3: ( a ) Amplitude of the spectral components of
the temperature signal in the fault free case ( red bar line ) and when a fault had taken place ( yellow
bar line )( b ) differences in the amplitudes of the spectral components between the fault-free and
the faulty case ( green bar line )
a
b
1.4
0.05
1.2
0
1
−0.05
0.8
−0.1
0.6
−0.15
0.4
−0.2
0.2
−0.25
0
−0.3
0
10
20
30
40
50
60
0
10
20
30
40
50
60
q
q
Fig. 12.31 Temperature time variation—profile 4: ( a ) Amplitude of the spectral components of
the temperature signal in the fault free case ( red bar line ) and when a fault had taken place ( yellow
bar line )( b ) differences in the amplitudes of the spectral components between the fault-free and
the faulty case ( green bar line )
subject only to a change of scale (b) the basis functions are the eigenstates of the
quantum harmonic oscillator, and stem from the solution of Schrödinger's diffusion
equation. The proposed FNN belong to the general category of nonparametric
estimators and are suitable for function approximation, system modelling, and
image processing.
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