Communications: directive radio wave systems and devices (e.g. – Radar transponder system
Patent
1989-08-04
1991-03-19
Tarcza, Thomas H.
Communications: directive radio wave systems and devices (e.g.,
Radar transponder system
342 50, 342 60, 342 43, 342 73, 342146, 342 62, G01S 1374, G01S 1380
Patent
active
050014862
ABSTRACT:
A radar system operating by the line-of-sight method requires an accurate measurement of the relative position of at least two objects. By sending out coded radar transmission pulses, control data are transmitted to a guided flying body in a radar beam, which sends back an echo signal to the receiver via a transponder. In order to measure the passive signal and the transponder echo signal in the radar beam as accurately as possible, common reception channels are provided for both echo signals containing, inter alia, arrangements to equalize the dynamic levels of the echo signals. The returned transponder echo signal corresponds with respect to coding and bandwidth to the transmission pulses originally generated in the transmitter and that are phase-coded but not provided with the control code.
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Ahmed Adel A.
Siemens-Albis
Sotomayor John B.
Tarcza Thomas H.
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