Questions tagged [pseudo-ranges]

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4 votes
2 answers

Delayed Kalman navigation based on two way ranges

I am interested to know the basic principle of the "Delayed KF" when considering an underwater robot aiming to localize it self using a LBL system. More practically, in order to calculate the ...
john's user avatar
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3 votes
1 answer

Confused about time systems in ephemeris computation (from GPS subframes)

I am using the gnss-sdr library to compute ephemeris from the GPS message, and to try to make sense of things, I am reading the well-known IS-GPS-200E specification. To compute ephemeris, the time ...
Ash's user avatar
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0 votes
2 answers

GPS message: compute ephemeris data and pseudo-ranges from subframes

I have raw GPS data (see end of the question for details if you think the protocols are relevant), and I need to extract/compute ephemeris and pseudoranges (my goal is to replace the recursive least ...
Ash's user avatar
  • 400