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7
The Keysight 816x VXIplug&play Instrument Driver
274
The advantage of spacing all measurements equally is that presenting
results through use of a spreadsheet is greatly simplified. The operation
returns one wavelength array and a power array for each power meter
channel.
The disadvantage of using equally spaced datapoints is that the linear
interpolation is analogous to the use of a low pass filter.
page -274shows the original curve as measured directly by a Power Meter
and the interpolated curve.
Interpolation will always tend to produce a smoother curve by rounding off
any peaks in the curve.
Figure 13
Equally Spaced Datapoints
8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
Original
Curve
Interpolated
Curve
Figure 13
on
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