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1. Measurement of Echoes Due to Spurious TEOnModes in a Long-Distance 60-mm Waveguide Communication System

Author

J. L. Doane

Subjects
Engineering, Field (physics), business.industry, Acoustics, General Engineering, Mode (statistics), Communications system, Test set, Electronic engineering, Waveguide (acoustics), Millimeter, Spurious relationship, business, Impulse response
Abstract

To estimate the seriousness of spurious TE on mode generation in a long-distance millimeter waveguide communication system requires a measurement of small echoes in the impulse response with delays up to about 500 ns. We report the results of such a measurement made as part of a recent 14-km field test of the WT4 communication system with a novel test set operating near 41 GHz. The results show that the WT4 system can perform satisfactorily without any filters of spurious TE on modes.

Published
1978

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