Hot answers tagged

2

There are multiple versions of the Kalman filter. The idea behind the filter is this: You keep track of a vector of states of the system (i.e. position, speed, acceleration and noise) and update it for each new data. When post-processing data you can initialize de filter on a forward pass and then use the backwards for estimation. You have a model of how ...


1

My 2 cents on your questions: All Global Navigation Satellite Systems (GNSS) have ground track repeating with a time that varies according to the GNSS. Evidence of this for GPS, GLONASS and Galileo is given e.g., in a nice table reported in the text book Hofmann-Wellenof, 2008, p. 398 The nonidealities you talk about (e.g., solar radiation pressure), are ...


Only top voted, non community-wiki answers of a minimum length are eligible