Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1975-07-29
1977-05-03
Tubbesing, T.H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343112CA, G01S 956
Patent
active
040218023
ABSTRACT:
A collision-predictive CAS at a protected station or vehicle that produces TAU data relating to differential azimuth and/or TOA from standard ATCRBS interrogations and replies, and selects the largest closing TAU signal of a threatening Other station to provide reliable warning while minimizing false alarms. Similarly processed differential altitude information provides a further criterion. Multiple radar environments enable production of additional sets of TAU values and increased discrimination against false alarms.
REFERENCES:
patent: 3893112 (1975-07-01), Miller
patent: 3895382 (1975-07-01), Litchford
Litchstreet Co.
Tubbesing T.H.
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