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SDS1000X-E&SDS1000X-U User Manual
135
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Integrate
dt (integrate) calculates the integral of the selected source. You can use integrate
to calculate the energy of a pulse in volt- seconds or measure the area under a
waveform.
dt plots the integral of the source using the "Trapezoidal Rule". The equation is:
n
0i
i0n
ytcI
Where:
I = integrated waveform
Δt = point- to- point time difference
y = channel 1, 2, 3, or 4 data points
c
o
= arbitrary constant
i = data point index
The integrate operator provides an
Offset softkey that lets you enter a DC offset
correction factor for the input signal. Small DC offset in the integrate function input
(or even small oscilloscope calibration errors) can cause the integrate function
output to "ramp" up or down. This DC offset correction lets you level the integrate
waveform.
Figure 83 Integral without Offset
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