5 Selecting an operating mode EFA-200/-300
5-4
5.2.3 Spectrum FFT mode (Fast Fourier Transformation)
Recording of curves (time domain) with subsequent determination of
spectra (frequency domain)
)
Figure 5-3 Spectrum FFT mode measurement screen
Measurement aim: Measurement of the field strengths of all frequency
components.
Spectrum analysis of simultaneously occurring fields.
Measurand: RMS or peak field strength value for each frequency
component analyzed.
Display: Graphical display of spectrum.
Precise display of frequency and field strength possible
using cursor functions.
Special features: Rapid assessment of relevance by means of a display
standardized on the limit curve.
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