MULTIBAND ANTENNA
PROBLEM TO BE SOLVED: To provide a multiband antenna that prevents an increase in VSWR can be prevented even if VSWR is widened in a higher frequency band and multiband antennas are stacked near the ground surface. SOLUTION: A multiband antenna is equipped with a radiation electrode that includes a...
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Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a multiband antenna that prevents an increase in VSWR can be prevented even if VSWR is widened in a higher frequency band and multiband antennas are stacked near the ground surface. SOLUTION: A multiband antenna is equipped with a radiation electrode that includes a strip electrode folded back in a U shape, whose end is opened and a proximal end is connected to a feeding section, and is compatible with a basic frequency band and a higher frequency band; and a parasite electrode that is formed on the same plane as the radiation electrode and is disposed apart from the folded-back portion of the radiation electrode by a predetermined distance to be capacitively coupled with the folded-back portion and is connected to ground. COPYRIGHT: (C)2010,JPO&INPIT |
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