Overmoded tapered waveguide transition having phase shifted higher order mode cancellation
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United States of America Patent
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-
Nov 12, 1985
Grant Date -
N/A
app pub date -
May 31, 1983
filing date -
May 31, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A phased-overmoded, tapered waveguide transition has a central section which is tapered linearly in the longitudinal direction and two end sections which are tapered curvilinearly in the longitudinal direction. One of the end sections and at least a portion of the other end section are overmoded and, therefore, give rise to higher order modes of the desired microwave signals propagated therethrough. The lineraly tapered central section shifts the phase of higher order modes generated at one end of the transition so that at least a major portion of such higher order modes is cancelled by higher order modes generated at the other end of the transition.
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