Maryland's Defense Patent Database

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Estimating photospheric velocities for space-weather prediction

Patent image
NRL

A computer-implemented method for accurately estimating plasma velocities on the photosphere based on magnetic field data from vector magnetograms. Spatial and temporal derivatives of the magnetic field components are computed and a structure tensor containing terms that specifically include the horizontal magnetic field components is constructed. The structure tensor is convolved with a window function and a least-squares solution based on the convolved structure tensor is found. The solution includes the plasma velocities in the horizontal and vertical directions at the center of the window.

Inventors: 
Schuck, Peter W.
Patent Number: 
Technical domain: 
Sensors and Measurement
FIle Date: 
2010-01-22
Grant Date: 
2012-11-13
Grant time: 
1,026 days
Grant time percentile rank: 
18
Claim count percentile rank: 
2
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY