Setting up Compax3
C3I12T11
192-120113 N08 C3I12T11 - December 2010
4.4.9.5 Measurement of frequency spectra
In this chapter you can read about:
Functionality of the measurement .................................................................................. 256
Leak effect and windowing ............................................................................................ 257
Please note that you require a license key (see on page 251, see on page 249)
for this application!
Functionality of the measurement
Measurement of the spectral analysis
Controller & Signal Pocessing
Steuerung & Signal-
Verarbeitung
Amplitude spectrum
Amplitudenspektrum
During the spectral analysis of scanned signals with the aid of the discrete Fourier
transformation, a so-called frequency resolution (Df) results, Df being =fA/N,
independently of the scanning frequency (fA) and of the number of measurement
values used (N).
The spectra of scanned signals are only defined for frequencies, which are an
integer multiple of this frequency resolution.
Interpretation of the frequency spectrum
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