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Proceedings Paper

A quasioptical sum-and-difference transformer
Author(s): M. S. Yanovsky
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Paper Abstract

Design of monopulse radars of short wavelengh region of the millimeter wave range and the submillimeter one is limited because of the absence of a number of functional elements, in particular sum-and-difference transformers. Scale modelling of more long-wavelenght analogs is ruled out because of the loss increasing and excessive high requirements for design accuracy of diminutive waveguide devices. Quasioptical sum-and-difference transformer, providing transformation of four cophasal signals of a monopulse radar feeding into summary one and two difference ones, namely azimuthal and elevation angle difference signals, formed on the base of balance bridge' using metal- dielectric beamguide (MDB) of round or squire cross-section is considered below. Interior surface of MDB is covered by a layer of dielectric of nonresonant thickness. At this loss in 10x10 mm cross-section. MDB in operating frequency range from 0.74 to 1.7 mm is less than 0.4 dB.

Paper Details

Date Published: 1 January 1994
PDF: 2 pages
Proc. SPIE 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994, 22506U (1 January 1994); doi: 10.1117/12.2303263
Show Author Affiliations
M. S. Yanovsky, Institute of Radiophysics and Electronics (Ukraine)

Published in SPIE Proceedings Vol. 2250:
International Conference on Millimeter and Submillimeter Waves and Applications 1994
Mohammed N. Afsar, Editor(s)

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