20060301
The values of
a
and
b
depend on the scientific discipline, which can be specified by the
value of
n
(optional fourth parameter of Fourier and invFourier) as shown below.
n
(optional)
ab
Definition of the Fourier
Integral
Modern Physics
001
–
e
xi
f
(
x
)
dx
2
2
Pure Math
11–1
Probability
211
Classical Physics
3–11
–
e
xi
f(x)dx
2
Signal Processing
4 0 –2*
P
Tip
• The Advanced Format dialog box can be used to configure settings related to the Fourier
Transform, such a Fourier Transform definition, etc. For details, see “Advanced Format Dialog
Box” on page 1-9-11.
2-8-10
Using the Action Menu
The Fourier Transform pairs are defined using two arbitrary constants
a
,
b
.
–
f(t)e
ibt
dt
F()=
b
(2
)
1–a
–
F()e
–ibt
d
f(t)=
b
(2
)
1+a
–
e
–
xi
f(x)dx
–
e
xi
f(x)dx
–
e
–2xi
f(x)dx
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