3 Short-Range Comms & IoT Mode
3.3 LoRa (CSS) Demodulation Measurement
will be performed on the truncated part based on the point number set by the
demod waveform time under Sweep -> Sweep/Control.
Four traces are provided by this window. See the following table.
Trace Name Color Note
Demod
trace
Yellow Represents the instantaneous demodulated signal.
Max-hold
demod trace
Cyan This trace is only displayed when averaging is on.
Each of the points represents the max-hold value of the
demodulated signal at the corresponding point. The trace is
deleted after a restart.
Min-hold
demod trace
Magenta This trace is only displayed when averaging is on.
Each of the points represents the min-hold value of the
demodulated signal at the corresponding point. The trace is
deleted after a restart.
Average
demod trace
Green This trace is only displayed when averaging is on.
Each of the points represents the averaged value of the
demodulated signal at the corresponding point. The trace is
deleted after a restart.
The sweep time is displayed at the bottom of the window. The reference value and
the value of scale/div are displayedon the grid.
The trace will be highlighted with colored bars to schematically illustrate the type of
chirps when the synchronization succeeds.
Legend:
Cyan: programed preamble symbols/ fine sync symbols.
Green: custom sync symbols.
Gold: inversed preamble symbols.
Red: header symbols.
Light Gray: payload symbols.
Short Range Comms & IoT Mode User's &Programmer's Reference 317
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