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LeCroy WaveRunner Xi-A User Manual

LeCroy WaveRunner Xi-A
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GETTING STARTED MANUAL
WRXi-A-GSM-E Rev A 77
Thentouchinsidethe
Operator2fieldandselect
FFTfromthepopup
menu.
6. TouchtheFFTtabinthe
righthanddialog.
7. Intherighthanddialog,
touchtheFFTtab.Choose
whethertoTruncate
*
or
Zerofill
thetrace
display.
8. TouchtheSuppressDC
checkboxifyouwantto
maketheDCbingoto
zero.Otherwise,leaveit
unchecked.
9. TouchinsidetheOutput
typefield,andmakea
selectionfromthepopup
menu.
*
When the FFT transform size does not match the record length, you can truncate the record
and perform an FFT on the shorter record. This increases the resolution bandwidth.
Zero-fill is useful when the source data for the FFT comes from a math operation that shortens
the record. This is commonly encountered in filtering operations like enhanced resolution. The
missing data points are replaced by data values, whose amplitudes are interpolated to fit
between the last data point and the first data point in the record. This guarantees that there is
not a first-order discontinuity in the filled data. Since the data at the end of the record is "filled"
data, it is advisable to select a weighting window other than rectangular to minimize the effect of
the fill on the resulting spectrum.

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LeCroy WaveRunner Xi-A Specifications

General IconGeneral
BrandLeCroy
ModelWaveRunner Xi-A
CategoryTest Equipment
LanguageEnglish

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