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SPECTRUM ANALYZER
223
Window type
The type of window used for spectrum analysis
can be chosen. Each window type is characterized
by making a tradeoff between the frequency
resolution and the amplitude accuracy. Please see
the note below.
6. Press the Window button
and change the window
type using the variable
knob. Press again the
Window button to
confirm the change.
Note
Hanning and Hamming windows are both good to
analyze periodic signals. The rectangular window is
more suitable for single shot phenomenon. The
Blackman window is most suitable for amplitude
measurement on periodic signals. Please refer to the
MDO-2000A User Manual
, Math operations,
FFT
Overview
for more details.
Configuring the Amplitude
Background
The vertical scale and the zero reference position
can be configured in this menu.
Panel Operation
1. Press the Option key, and
the Spectrum Analyzer
button to enter the
Spectrum Analyzer menu.
Option
2. Press the Amplitude button to enter
the vertical scale menu.
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