ヘリカルアンテナ
1. Helical antennaA helical antenna is an antenna consisting of a conducting wire wound in the form of a helix. In most cases, helical antennas are mounted over a ground plane. The feed line is connected between the bottom of the helix and the ground plane. Helical antennas can operate in one of two principal modes: normal mode or axial mode. In the normal mode or broadside helix, the dimensions of the helix (the diameter and the pitch) are small compared with the wavelength.
Read “Helical antenna” on English Wikipedia
Read “ヘリカルアンテナ” on Japanese Wikipedia
Read “Helical antenna” on DBpedia
Read “Helical antenna” on English Wikipedia
Read “ヘリカルアンテナ” on Japanese Wikipedia
Read “Helical antenna” on DBpedia
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