Nested Complementary Pair Arrays for Vehicular Applications

Nested Complementary Pair Arrays for Vehicular Applications

An array system is described which covers an 8:1 frequency range in two subbands at VHF. Four beams are formed at right angles in each subband, which are selected by switching, and are independently selectable in each subband. The low-frequency subband uses wire-outline endfire complementary pairs a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Schroeder, Klaus G
Format: Report
Sprache:eng
Schlagworte:
ANGLES
ARRAYS
Component Reports
Electrical and Electronic Equipment
Endfire monopole pairs
FREQUENCY
FREQUENCY BANDS
HELICOPTERS
HIGH FREQUENCY
INPUT
LOW FREQUENCY
PATTERNS
REFLECTORS
RIGHT ANGLES
Subbands
SWITCHING
VEHICLES
WIRE
Wire-outline endfire complementary pairs
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Beschreibung
Zusammenfassung:An array system is described which covers an 8:1 frequency range in two subbands at VHF. Four beams are formed at right angles in each subband, which are selected by switching, and are independently selectable in each subband. The low-frequency subband uses wire-outline endfire complementary pairs and the high-frequency band uses endfire monopole pairs around a common central reflector. The system will fit on small vehicles, such as troop carriers, tanks, and helicopters. Patterns, input impedances and band-to-band isolation are presented for a full-scale mock-up. This article is from 'Proceedings of the Antenna Applications Symposium Held on 25-27 September 1991. Volume 1,' AD-A253 681, p155-168.