Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1965-09-09
1976-02-24
Hubler, Malcolm F.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
G01S 902
Patent
active
039407624
ABSTRACT:
A digital detection criteria control device for use in a radar tracking system incorporating a memory that is electronically synchronized to a surveillance radar in a manner to perform video mapping and control functions. This memory is organized so that each small quantum area of the radar's surveillance area has code bits which are controlled primarily by inputs from valid and invalid video return detectors. These detectors examine quantized video returns from the radar for certain bit densities and bit patterns to determine whether the video returns are valid or invalid targets. The code bits provide a history of the type of video return for each quantum area thereby making a more accurate indication of the nature of the video return possible.
Ethington David A.
Wilmot Richard D.
Yamashiro Herbert Y.
Haskell James K.
Himes Robert H.
Hubler Malcolm F.
Hughes Aircraft Company
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