Method for solving two RF signals' angular position

Details Method for solving two RF signals' angular position Method for solving two RF signals' angular position

2008-01-29

2008-01-29

Alsomiri, Isam (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Return signal controls radar system

Receiver

C342S099000, C342S141000, C342S147000

Reexamination Certificate

active

11489805

ABSTRACT:
A method for determining an angle for each of two RF signals at different frequencies and offset from each other. The average angle of a composite signal is obtained from the two RF signals over a frequency difference period by averaging the frequency difference period. The average angle of the composite signal is the dominant signal's angle. The smaller signal's angle is then calculated from the dominant signal's angle, an angle centroid, and the signal voltages for the two RF signals.

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patent: 2005/0035903 (2005-02-01), Bergkvist
patent: 2007/0182622 (2007-08-01), Weatherford

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