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14.7 FFT Function (Advanced Version)
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FFT channel mode 1 channel FFT, 2 channel FFT
FFT range setting 133 mHz to 400 kHz, external
Dynamic range 72 dB (logical value)
Number of sampling points 1000, 2000, 5000, 10000
Frequency resolution 1/400, 1/800, 1/2000, 1/4000
Antialiasing filter Automatic cutoff frequency selection linked to frequency range
Analysis channel setting 1 channel FFT, 2 channel FFT for any channel
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
Window functions Rectangular, hanning, exponential
Display scale Linear scale, log scale, phase
Print function As per the memory recorder function, excluding partial print function
Averaging function Additive average of time and frequency domains, exponential
averaging, peak hold (2, 4, 8 to 4096 samples)
Variable function Provided
Vernier function Not provided