Countermeasure for LORO radar

Details Countermeasure for LORO radar Countermeasure for LORO radar

1968-04-23

1978-11-21

Tubbesing, T.H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

G01S 738

Patent

active

041268628

ABSTRACT:
A countermeasure for LORO (lobe-on-receive-only) tracking radars comprising a transmitter and a receiver which controls the transmitter. The transmitter radiates pulses on the radar's frequency at a repetition rate that repeatedly sweeps over a range selected to include the unknown lobing frequency of the radar, the sweeps being alternately slow and fast. The receiver circuit receives the tracking radar signal and operates upon a fall in its intensity to halt the pulse frequency sweep and cause it to reverse at a slow rate.

REFERENCES:
patent: 2531398 (1950-11-01), Cawein
patent: 2567261 (1951-09-01), Williams
patent: 2653222 (1953-09-01), Williams et al.
patent: 3113268 (1963-12-01), Horak

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