User Manual

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18.8 FFT Function
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FFT channel mode 1 ch FFT
2 ch FFT
FFT range setting 133 mHz∼400 kHz, EXT.
Dynamic range 72 dB (logical value)
Number of sampling
points
1000, 2000, 5000, 10000 points
Frequency resolution 1/400, 1/800, 1/2000, 1/4000
Antialiasing filter Automatic cutoff frequency selection linked to frequency range
Analysis channel setting 2 channels selectable from all analog channels
FFT analysis mode
setting
Storage waveform, Linear spectrum, RMS spectrum,
Power spectrum, Cross-power spectrum, Auto-correlation function
,
Histogram, Transfer function, Cross-correlation function,
Unit-impulse response, Coherence function, Octave analysis
Display format setting Single, dual screen display, Nyquist display
Windows Rectangular, Hanning, Exponential
Display scale Linear scale, Log scale, Phase
Print function As per the memory recorder function, excluding partial print
function
Averaging function Simple average of time and frequency axis, exponential average,
peak hold (frequency axis) (2, 4, 8 to 4096 samples)
1
8.8 FFT Function