Monopulse radar apparatus

Details Monopulse radar apparatus Monopulse radar apparatus

1978-10-16

1980-07-15

Tubbesing, T. H.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343100PE, G01S 922

Patent

active

042131308

ABSTRACT:
The invention relates to monopulse radar for automatic angle tracking of a moving target, which prevents angle tracking errors from occurring when the polarization of the received signals is orthogonal to the polarization of the radar receiver. The monopulse radar comprises two monopulse clusters (4, 5) tuned to the same frequency band and arranged to receive mutually orthogonal polarizations; only one of these clusters lends itself for the transmission of r.f. signals. When supplied sum and difference signals by the two clusters (4, 5), the receiver (8) produces the angular error signals required to keep the radar directed at the target. The error signals are determined by the amplitude ratio between the difference signals and the sum signal from the first cluster or by the amplitude ratio between the difference signals and the sum signal from the second cluster, depending on the ratio between the sum signals from the two clusters.

REFERENCES:
patent: 3209355 (1965-09-01), Livingston
patent: 3266035 (1966-08-01), Farner
patent: 3772701 (1973-11-01), Wilkinson
patent: 3805268 (1974-04-01), Britt
patent: 3827049 (1974-07-01), Van Staaden et al.
patent: 4028708 (1977-06-01), Woodward
patent: 4030048 (1977-06-01), Foldes

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