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excuse me,can you tell me what decide the multimode characteristic of quadrifilar helix antenna?is feed circuit network?if we feed fixed phase with 0 180 180 0,we would get different mode?thanks!
excuse me,can you tell me what decide the multimode characteristic of quadrifilar helix antenna?is feed circuit network?if we feed fixed phase with 0 180 180 0,we would get different mode?thanks!