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A Rotary Joint for Two Microwave Transmission Channels of the Same Frequency Band (Abstract)

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1 Author(s)

This dual-channel rotary joint consists of two pairs of rectangular waveguide terminals, a circular waveguide which transmits both channels and coupling elements between the rectangular waveguide terminals and the circular waveguide which convert the rectangular H10 mode into the circular H01 and E01 modes. If pure H01 and E01 modes can be excited, perfect separation of the channels as well as constant amplitudes and phases can be obtained when the joint rotates. While the conversion into the circular E01 mode is performed by a conventional method, a new method had to be developed for the conversion of the rectangular H10 mode into the circular H01 mode.

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Microwave Theory and Techniques, Transactions of the IRE Professional Group on  (Volume:1 ,  Issue: 1 )