3 Short-Range Comms & IoT Mode
3.3 LoRa (CSS) Demodulation Measurement
3.3.2.5 Raw Demod Waveform
The raw demodulated signal without interpolation is displayed in the time domain
on this window. The abscissa is time. The ordinate is the modulation frequency. The
Y axis is linearly scaled.
The portion of the trace which is representing the analyzed burst will be highlighted
with different colored bars, so that the types of chirps can be illustrated
schematically.
Legend:
Cyan: programed preamble symbols/ fine sync symbols.
Green: custom sync symbols.
Gold: inversed preamble symbols.
Red: header symbols.
Light Gray: payload symbols.
When the synchronization fails after the burst detection succeeds, the portion on
the trace representing the detected burst will be highlighted with a pink bar, as
shown on the following graphic.
Short Range Comms & IoT Mode User's &Programmer's Reference 319
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