INTEGRA-W/INTEGRA-WS User Manual WEB GUI
SAF Tehnika JSC
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6)
Refresh
– Allows refreshing constellation diagram/spectrum;
7)
Clear
– Allows clearing constellation diagram/spectrum.
Constellation diagram
A constellation diagram is a representation of a signal modulated by the digital
modulation schemes 1024QAM, 512QAM, 256QAM, 128QAM, 64QAM, 32QAM, 16QAM,
8QAM or 4QAM. It displays the signal as a two-dimensional scatter diagram in the complex
plane at symbol sampling instants. Measured constellation diagram can be used to
recognize the type of interference and distortion in a signal.
Constellation diagram (512QAM):
Examples of Integra-W/Integra-WS constellation diagrams under ideal conditions are
shown below: