Rohde & Schwarz Smart Instruments UP300, Руководство по эксплуатации

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R&S UP300/350 Analyzer
Operating Manual, 11/2007 6-265 E-1147.2759.00
Setting the POST FFT
Description The THD measurement function cannot be activated at the same time as the
FFT. You can, however, use the Post FFT to analyze the spectrum of the
signal on which the THD measurement is being performed. The stored
samples used to calculate the measurement function are also used to
calculate the FFT.
Selecting the
FFT submenu
Function key
assignment
Press the
function key in the current measurement menu.
The submenu is opened and the function keys [13] are assigned the
appropriate function.
Exit the submenu.
Activate/Deactivate the FFT. ( Ê 6-266)
Set the FFT size. ( Ê 6-253)
Set the FFT window. ( Ê 6-253)