Communications: directive radio wave systems and devices (e.g. – With particular circuit – With polarization
Patent
1989-07-19
1990-06-26
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
With particular circuit
With polarization
342 13, G01S 742
Patent
active
049375822
ABSTRACT:
Polarization adaptive active aperture system includes a receive polarimeter: (a) for determining the polarization parameters of a free space incoming RF signal and (b) for sampling and determining the polarization parameters of a transmitted RF signal which is generated by a transmit polarimeter. The polarization parameters determined by the receiving polarimeter as a result of sampling the signal generated by the transmit polarimeter are used to adaptively alter the output generated by the transmit polarimeter until that output has polarization parameters which match the polarization parameters of the free space incoming RF signal.
REFERENCES:
patent: 4005425 (1977-01-01), Nagy
patent: 4030048 (1977-06-01), Foldes
patent: 4766435 (1988-08-01), Wells
patent: 4849762 (1989-07-01), Barnes
Hellner Mark
ITT Corporation
Tarcza Thomas H.
Twomey Thomas N.
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