G - Physics
01
S
343/67
G01S 13/00 (2006.01) G01S 7/03 (2006.01) H01Q 3/26 (2006.01) H04B 10/12 (2006.01)
Patent
CA 1129052
Abstract In a radar system with a phased array antenna the radiating elements are connected to associated r.f. transmitter-receiver modules. Each of the modules receives a transmitter signal and a local oscillator signal and delivers, upon reception of an echo signal via the antenna an i.f. signal. Furthermore a system of fibre optical waveguides is incorporated to distri- bute to the modules the transmitter signal and the local oscillator signal, both of which signals being modulated on carriers, which are frequency-matched to the system of fibre optical waveguides. Each of the modules comprises a demodulator to procure the trans- mitter signal and the local oscillator signal from the applied modulated signals. - 1 -
330478
Bodmer Maximiliaan H.
Hoogstraate Hendrik
Van Rooyen Gerrit
Fetherstonhaugh & Co.
Hallandse Signaalapparaten B.v.
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