Impulse radar antenna array and method

Details Impulse radar antenna array and method Impulse radar antenna array and method

2005-07-26

2005-07-26

Vannucci, James (Department: 2828)

Communications: radio wave antennas

Antennas

Plural antennas

C343S844000

Reexamination Certificate

active

06922177

ABSTRACT:
An antenna array comprising a ground plane and a plurality of elements mounted thereon, said elements being capable of emitting and receiving ultra wideband emissions. Elements are arrayed on the ground plane in two parallel rows, a transmitting row, and a receiving row, such that a given element in the receiving row is aligned in at least one direction with a corresponding element in the transmitting row. Additionally, the elements are configured on the ground plane to elicit a symmetrical product response in the azimuthal plane, and to produce horizontally polarized signals. An alternative embodiment places the elements with unique inter-element spacing within the rows. An embodiment comprises a fence structure between rows. A method for use comprises the step of transmitting a signal via an element in the transmitting row and receiving said signal through an element in the receiving row, not aligned with the transmitting element.

REFERENCES:
patent: 3618104 (1971-11-01), Behr
patent: 5255004 (1993-10-01), Berkowitz et al.
patent: 5323169 (1994-06-01), Koslover
patent: 6175333 (2001-01-01), Smith et al.
patent: 6621469 (2003-09-01), Judd et al.

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