Analyze Waveform or Trace Data
Description
Window
Hanning
This is a very good window for measuring amplitude accuracy but less so for resolving
frequencies.
Use Hanning for measuring sine, periodic, and narrow band random noise. This window
works on transients or bursts where the signal levels before and after the event are
signi
fi
cantly different.
Blackman-Harris
:
This is the best window for measuring the amplitude of frequencies but worst at resolving
frequencies.
Use Blackman-Harris for measuring predominantly single frequency waveforms to look for
higher order harmonics.
Using Advanced Math
The advanced math feature lets you create a custom math waveform expression that can incorporate active and reference
waveforms, measurements, and/or numeric constants. To use this feature:
1.
Push
Math
.
2.
Push
Advanced Math
.
Dual Wfm
Math
FFT
Advanced
Math
Spectrum
Math
(M) Label
3.
Use the side-bezel menu buttons to create
custom expressions.
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MDO4000 Series Oscilloscopes User Manual
Summary of Contents for MDO4054-3
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Page 19: ...Preface xii MDO4000 Series Oscilloscopes User Manual...