3 Short-Range Comms & IoT Mode
3.3 LoRa (CSS) Demodulation Measurement
n Return Value
The y-values are in units of Hz
If Avg/Hold is off, all y-values are 1 GHz
3 This query returns the max demod trace data as a list of x,y pairs. The x-axis values are in units of seconds.
The y-values are in units of Hz
If Avg/Hold is off, all y-values are -1 GHz
4 This query returns the demod trace data as a list of x,y pairs. The x-axis values are in units of seconds. The
y-values are in units of Hz
5 This query returns the average demod trace data as a list of x,y pairs. The x-axis values are in units of
seconds. The y-values are in units of Hz
If Avg/Hold is off, all y-values are -1 GHz
6 This query returns the AF spectrum trace data as a list of x,y pairs. The x-axis values are in units of Hz. The
y-values are in units of dB
7 Returns the following comma-separated results:
1.
Deviation (RMS)
Deviation (RMS) Ratio
Ratio Reference
8 Returns the raw demod waveform trace data (without the interpolation), as a series of floating trace point
values, in Hz
The number of samples and the sample interval can be queried when n=9
9 Returns the following scalar results of the raw demod waveform trace queried when n = 8:
1.
The sample interval of the raw demod waveform trace (without interpolation)
2.
The number of the points of the raw demod waveform trace (without interpolation)
10 Returns the RF envelope. These data points are floating point numbers representing the power of the signal
(in dBm)
The number of samples and the sample interval can be queried when n=11
11 Returns the following scalar results of the RF envelope queried when n = 10:
1.
The sample interval of the RF envelope
2.
The number of the points of the RF envelope
12 Returns the unprocessed I/Q trace data as a series of I/Q pairs in volts
The number of the samples and the sample interval can be queried when n=13
13 Returns the following scalar results of the unprocessed I/Q trace data queried when n = 12:
1.
The sample interval of the unprocessed I/Q data
The number of the samples of the unprocessed I/Q data
14 This query returns the trace data of frequency drift vs symbols as a list of x,y pairs. The x-axis values denote
the index of the symbol (starting from the beginning of the preamble). The unit of y values is Hz, indicating
the frequency drift of each symbol
312 Short Range Comms & IoT Mode User's &Programmer's Reference
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