I have a fairly large data set of points, each point represent the transmission of a message. So it has a beginning and end time and a received power in the following format: start: YYYY-mm-dd HH:MM:SS.fff end: YYYY-mm-dd HH:MM:SS.fff + 120ms power: from -40dBW to 20dBW The transmission always last for 120ms. (we dont consider Doppler effects). Anyway, I would like to visualize these data point along a time line, but I dont really know how. The main information I want to highlight is the number of messages transmitted at the same time (E.g. during the transmission of a msg, there is total or partial overlap with another transmission) and the received power.
The number of points is high, in the hundreds of thousands, potentially more. The data are stored in a local SQLite database.
Some sort of heat map might be helpfull, but I don't really know how to do it. Do you have any suggestions ?
Regards,
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