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NTIA Technical Memorandum TM-05-426Radiation Pattern Analysis of a Four-Element Linear ArrayJuly 2005John J. Lemmon |
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Abstract: The effects of mutual coupling on the radiation pattern of a four-element linear array were investigated. The objective was to improve the angular resolution of the array for direction-of-arrival estimation by compensating for mutual coupling. It is concluded that the effects of mutual coupling on the performance of the array are not significant, and that the angular resolution of the array is consistent with its theoretical radiation pattern in the absence of mutual coupling. However, it is recommended that the array be calibrated to compensate for systematic errors and any (small) mutual coupling effects that are present. |
Keywords: direction-of-arrival (DOA); linear array; mutual coupling |
Disclaimer: Certain commercial equipment, components, and software are identified in this report to specify adequately the technical aspects of the reported results. In no case does such identification imply recommendation or endorsement by the National Telecommunications and Information Administration, nor does it imply that the equipment or software identified is necessarily the best available for the particular application or uses. |
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