Enhanced beamsplitting technique for use with three-dimensional

Details Enhanced beamsplitting technique for use with three-dimensional Enhanced beamsplitting technique for use with three-dimensional

1996-08-29

1998-04-21

Pihulic, Daniel T.

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

Synthetic aperture radar

G01S 1390

Patent

active

057422508

ABSTRACT:
A data processing method for use in processing synthetic array radar data to more accurately steer its antenna toward a target. A radar signal is transmitted, and sum and difference channel synthetic array radar maps derived from the transmitted radar signal are formed. A target cell within the synthetic array radar maps is designated, and a window surrounding the target cell is defined. Discriminant values for each of the cells within the window are computed that comprise the difference channel value divided by the sum channel value for each cell. A best fit line through the computed discriminant values is then computed. A null cell where the discriminant value defined by the best fit line is equal to zero is determined. Then, the radar signal is steered so that the null cell coincides with the designated target cell.

REFERENCES:
patent: 5473331 (1995-12-01), Kennedy et al.

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