Velocity gate hand-off system

Details Velocity gate hand-off system Velocity gate hand-off system

1976-07-12

1977-07-05

Buczinski, S.C.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

244 314, 343 18E, G01S 956, G01S 736

Patent

active

040343723

ABSTRACT:
A system for programming the radar return signal from an airborne target carrier to gradually increase its frequency and attenuate its amplitude timed with respect to the launching of a target from the carrier, the target having its own fixed radar return, so that the velocity gate of the doppler tracking radar of a missle fired at the carrier will be smoothly handed off from the carrier to the target when the target is launched from the carrier. The programming equipment comprises timed serrodyne modulation of a traveling wave tube phase shifter to control the frequency change, and a controlled attenuator to reduce the amplitude of the returned "reflected" signal, together with necessary timing controls, the operation of the system being initiated by a command signal to launch the target.

REFERENCES:
patent: 3044061 (1962-07-01), Richmond et al.
patent: 3113268 (1963-12-01), Horak
patent: 3384893 (1968-05-01), Prestwood
patent: 3921121 (1975-11-01), Huisveld, Jr. et al.
patent: 3950751 (1976-04-01), Orr et al.

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