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Direction Finder and Flow Meter for Centimeter Waves

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1 Author(s)
Morita, K. ; Tokyo Institute of Technology, Ookayama, Meguroka, Tokyo, Japan

A new direction finder for cm waves has been developed which indicates the wave direction by the minimum response of a dipole placed at the focus of a small paraboloidal reflector. It works well irrespective of whether the polarization of the waves is horizontal or vertical. A new flow meter has also been developed which indicates directly the active power flow of the waves, in magnitude and direction. It will serve most effectively in the study of wave diffraction. With an ordinary mirror galvanometer the author has succeeded in measuring the energy flow of 1 ¿w per cm2 at the wavelength of 10 cm.

Published in:

Proceedings of the IRE  (Volume:39 ,  Issue: 12 )