| 摘要 |
With a differential feed line 103 c, open-ended slot resonators 601, 603, 605 , and 607 are allowed to operate in pair, a slot length of each slot resonator corresponding to a ¼ effective wavelength during operation. Slot resonators which are excited out-of-phase with an equal amplitude are allowed to appear within the circuitry. Thus, positioning condition of the open end points of the selective radiation portions 601 b, 601 c, 603 b, 603 c, 605 b, and 607 b in the respective slot resonators is dynamically switched.
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