Matching section for multi-arm spiral antenna
A matching section for a spiral antenna used in a monopulse receiver is shown to receive a plurality of coaxial cables at equally spaced points along the circumference of a first circle and to guide the center conductors of such cables to arms of a multi-arm spiral antenna at equally spaced points a...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A matching section for a spiral antenna used in a monopulse receiver is shown to receive a plurality of coaxial cables at equally spaced points along the circumference of a first circle and to guide the center conductors of such cables to arms of a multi-arm spiral antenna at equally spaced points along the circumference of a second circle, the characteristic impedance along the length of the matching section changing smoothly for the sum and difference modes and impedance matching closely to the antenna sum and difference modes. |
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