Loading ...
Loading ...
Loading ...
MDO-2000A series User Manual
64
To change the unit/div settings, press
Unit/div, then use the Variable knob to
change the unit/div.
The units that are displayed depend
on which operator has been selected,
and whether the probe for the selected
channel has been set to voltage or
current.
Operator:
Unit/div:
Multiplication
Division
Addition/Subtraction
VV, AA or W
V/V, A/A
V or A
Turn Off Math
To turn off the Math result from the
display, press the Math key again.
MATH
M
FFT Overview & Window Functions
Background
The FFT function performs a Fast Fourier
Transform on one of the input signals or the
reference waveforms. The resultant spectrum will
be shown on the screen in real-time. Four types of
window function are available: Hanning,
Hamming, Rectangular, and Blackman, as
described below.
Hanning
Frequency resolution
Good
Amplitude resolution
Not good
Suitable for....
Frequency measurement on
periodic waveforms
Hamming
Frequency resolution
Good
Amplitude resolution
Not good
Loading ...
Loading ...
Loading ...