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© National Instruments Corporation 17 NI Spectral Measurements Toolkit User Guide
effective band specification. If you leave the default advanced parameters,
the configuration VI calculates the correct parameters for a spectrogram
with evenly distributed time and frequency resolution on a square display
area. If the display area is not square, enter an aspect ratio for the display
area in the aspect ratio parameter. Figure 6 shows an example of a
completed spectrogram with a center frequency of 16 MHz and a span
of 16 MHz.
Figure 6. Spectrogram Example
32 MHz
24 MHz
16 MHz
8 MHz
0 MHz
18
µ
s
15
µ
s
12
µ
s
9
µ
s
6
µ
s
3
µ
s
0
µ
s