Closed loop control of receiver turn-on to increase radar sensit

Details Closed loop control of receiver turn-on to increase radar sensit Closed loop control of receiver turn-on to increase radar sensit

1986-10-03

1988-03-01

Tubbesing, T. H.

Communications: directive radio wave systems and devices (e.g.,

Return signal controls radar system

Receiver

342205, G01S 734

Patent

active

047289538

ABSTRACT:
A radar system includes a variable delay circuit coupled between the transmitter and the receiver switch. A feedback loop including a comparator and an integrator is coupled between the receiver envelope detector and a control terminal for the variable delay circuit. The feedback loop controls the amount of delay of the receiver switch to maximize sensitivity to close range targets.

REFERENCES:
patent: 2476409 (1949-07-01), Free
patent: 2738503 (1956-03-01), Allen
patent: 3309703 (1967-03-01), Ammon et al.
patent: 3781772 (1973-12-01), Inoue et al.

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