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finish mlat demo #4
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What is the status of the mlat code? Was it completed and just needed some testing or did it never quite get completed? |
It needs some work. The multilateration resolver itself (mlat.py) has a bug The client/server part of it is rudimentary, but it did get some testing --n On Thu, Aug 25, 2016 at 9:20 AM az-developer [email protected]
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I'd be willing to help out that if you wanted to somehow post where you are on your rewrite. I'm also going to be at GRCon this year. |
Let's meet up and talk about it there. I'm very interested in getting mlat On Thu, Aug 25, 2016 at 2:50 PM az-developer [email protected]
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@bistromath Just noticed the same issue with the mlat resolver code. The issue seems to be with the both the base code (calculating pseudorange-obs, the pseudorange-est will not correctly converge to pseudorange-obs unless the airplane is right over one of the stations) and the test timestamps (which are modeled similarly to the pseudorange-obs method) Is that right? And wondering what change you were making to resolve this issue. Just trying to understand different approaches to mlat math, and would appreciate your insight here. |
The test relies on an incorrect assumption and makes use of the absolute time in a non-obvious and incorrect way. I started several times on fixing it from scratch but don't have working code yet. |
collect sample data, normal text from modes_print will do, run through mlat solver.
when validated, write simple client-server app to pull timestamped data out from E100s and run the solver at a central location.
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