Curved sensor array apparatus and methods

Details Curved sensor array apparatus and methods Curved sensor array apparatus and methods

2008-04-21

2009-11-17

Nguyen, Sang (Department: 2886)

Optics: measuring and testing

Dimension

C356S051000, C250S226000

Reexamination Certificate

active

07619754

ABSTRACT:
Curved sensor array configurations and methods of processing the data gathered by the sensors. A 2 dimensional embodiment comprises singular ring of sensors that can monitor sources in a 2 dimensional plane. A sensor directly facing a target produces a maximum response. As the angle of a sensor relative to the target increases, the response decreases. Fitting the sensor response amplitudes to a 2D Gaussian curve and calculating the peak of the curve allows a very accurate calculation of the angular direction of the target. A 3D embodiment comprises sensors distributed over the surface of a sphere in order to monitor multiple targets in any spatial orientation. Again, the sensor amplitude data is fitted to a 3D curve or surface such as a Gaussian surface. The present invention can resolve more than one target using deconvoluting techniques.

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