
Interpolated Error-correction
You can activate the interpolated error-correction feature with the
This feature allows you to select a subset of the frequency range or a different number of
points without recalibration. When interpolation is on, the system errors for the newly selected
frequencies are calculated from the system errors of the original calibration.
System performance is unspecified when using interpolated error-correction. The quality
of the interpolated error-correction is dependent on the amount of phase shift and the
amplitude change between measurement points. If phase shift is no greater than
per
approximately 5 measurement points, interpolated error-correction offers a great improvement
over uncorrected measurements The accuracy of interpolated error-correction improves as
the phase shift and amplitude change between adjacent points decrease. When you use the
analyzer in linear frequency sweep, perform the original calibration with at least 67 points per
1
of frequency span for greatest accuracy with interpolated error-correction.
Interpolated error-correction is available in three sweep modes: linear frequency, power sweep,
and CW time.
Note
If there is a
correction array for a linear frequency sweep, this may be
interpolated to provide correction at the CW frequency used in power sweep
or CW time modes. This correction is part of the interpolated error-correction
feature and is not specified.
Note
The preset state of the instrument can be
so that interpolated
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interpolated error correction.
Application and Operation
Содержание HP 8753E
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