Electronic tracking system for microwave antennas

Details Electronic tracking system for microwave antennas Electronic tracking system for microwave antennas

1985-06-11

1987-11-03

Blum, Theodore M.

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

Directive

Including directive communication system

333 21R, 343786, H04B 724

Patent

active

047046112

ABSTRACT:
A directive antenna (for a groundstation or a satellite) has a plurality of discrete receptional states which provide predetermined electronic displacements from boresight of the optimum direction of reception. The direction of the target is obtained by rapid switching from one receptional mode to another. The receptional modes are preferably provided by switchable mode converters, e.g. 6A, 6B, 7A and 7B, which are coupled with the waveguide so as to convert higher order propagation modes, e.g. TM01, TE21(H) and TE21(V), to the fundamental.

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R. Kreutel et al., "Antenna Technology for Frequency Reuse Satellite Communications"; (Proc. of the IEEE: vol. 65, No. 3, 3/77; pp. 370-378).
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