76
Chapter 2 Working with DaqLab
Exp.
1
2
1
G
C
e
C
y
=
Draws a line of
e
raised to the power of a data set
Fourier
transform
Discrete Fourier transform of G
1
.
Draws a line of the amplitudes of the harmonics of Fourier transform vs. frequency
Frequency
The frequency of G1 (minimum of C
1
points in one cycle).
Draws a line of the frequency of a periodic data set vs. time. The constant C
1
defines
the minimum data points in one cycle.
Integral
t
G
C
C
y
Δ
∑
+
=
1
2
1
Draws a line in which each point is the discrete integral of all the preceding points in
a data set
Linear
1
2
1
G
C
C
y
+
=
Draws a line of a linear displacement of a data set. This function is useful when you
want to change the point of origin of a data set.
Ln
)
ln(
1
2
1
G
C
C
y
=
Draws a line of the natural logarithm of a data set. The argument
1
2
G
C
must be
positive.
Log
)
(
log
1
2
10
1
G
C
C
y
=
Draws a line of the logarithm of a data set to base 10. The argument
1
2
G
C
must be
positive.
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