Estimating Wind Velocities from Limited Sailplane Flight Data

Ni Zhang, Rick P. Millane, and Alan J. Hunter


Maximum likelihood, Maximum a posteriori, Wind Velocity, Aircraft


The problem of estimating wind velocities from limited flight data recordings is considered, with application to sailplane flights in high-altitude mountain waves. Sailplane flight recorders routinely measure only GPS position and, infrequently, also airspeed and the problem is underdeter- mined. Maximum likelihood and maximum a posteriori estimators are developed for these kinds of data and tested by simulation and by application to sailplane flight data.

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