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Old 2011.01.25, 11:29 AM   #16
pinwc4
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So is anyone good with math that could help me. I figured out an equation that translate the timing values to IDs, it was a ln based curve so it was pretty easy to calculate.

This works well when just 1 transponder is detected but if 2 or more are under the bridge at the same time all the timing values are mixed together. I can manually look at the data and see how it could be split apart in each case to get the individual timing values for the transponders but I do not know a good mathmatical method to split this data back apart. The timing data for the transponders is staggered so that you will not get any 2 transponders that would be a harmonic of each other so the timing values.

Is there anyone that could help me with this data?
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Old 2011.02.26, 06:03 PM   #17
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OK, I think I got this figured out. I have been testing with multiple transponders under the bridge and it is separating the signals properly. I have a new release out now, version 0.56, and it includes this first attempt at Giro-Z support.

Ultimately I just went with a brute force method of calculating a bunch of variations of the signal instead of using any advanced signal analysis. But even on my old Pentium M laptop the CPU usage stays low even with a constant stream of data if the transponders are just sitting under the bridge.

Get the latest version at http://www.flipsideracing.org
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