Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1975-04-28
1977-07-05
Tubbesing, T.H.
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343 65LC, 343 171PF, G01S 956
Patent
active
040343715
ABSTRACT:
Apparatus and method for differentiating between desired synchronous signals and undesired asynchronous response signals in a plurality of secondary radar devices, wherein the interrogation signals are obtained by frequency division from the pulse repetition transmitted rate of the associated primary radar devices which have a pulse repetition rate which is identical or similar to each other and which systems have interference blanking devices to suppress synchronous response signals on the basis of different interrogation pulse repetition rates.
REFERENCES:
patent: 3755811 (1973-08-01), Breckman
Siemens Aktiengesellschaft
Tubbesing T.H.
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