Antenna phase pattern measurements at millimeter wave frequencies using the differential phase method with only one power meter |
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Authors: | Juha Mallat Arto Lehto Jussi Tuovinen |
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Affiliation: | (1) Radio Laboratory, Helsinki University of Technology, Otakaari 5 A, FIN-02150 Espoo, Finland |
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Abstract: | The differential phase measurement method has been improved to need the use of only one power meter instead of three power meters. This enables accurate antenna phase pattern measurements with a simplified set-up, accompanied by the reduction in cost. All advantages of the differential phase measurement method are still also available, e.g. there is no need to phase lock oscillators or to use rotary joints. The measurement results for an antenna at 110 GHz are presented. A good agreement with earlier data was obtained. |
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Keywords: | antenna measurements phase pattern phase center |
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