Method of determining local electromagnetic sensor refractivity

Details Method of determining local electromagnetic sensor refractivity Method of determining local electromagnetic sensor refractivity

2011-01-11

2011-01-11

Charioui, Mohamed (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Earth science

Reexamination Certificate

active

07869951

ABSTRACT:
Local ES refractivity for a geographical position on a given date is determined by locating the geographical position within one of the Delaunay triangles in a grid of Delaunay triangles defined by a plurality of data points in a database containing temporal (e.g. monthly) average refractivity values at various locations around the globe. Each of the data points in the database form the vertices of the Delaunay triangles and by interpolating the temporal averaged refractivity of the vertices of the triangle enclosing the geographical position to the given date and then interpolating the refractivity of the vertices to the geographical position within the triangle, the local ES refractivity of the geographical position is estimated.

REFERENCES:
patent: 3069677 (1962-12-01), Bruck
patent: 7248206 (2007-07-01), Boka et al.
patent: 2007/0027624 (2007-02-01), Powe et al.

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