Antenna vector impedance measurement by the EXOS‐D (Akebono) very low frequency plasma wave instrument (VLF) | Zendy

Hashimoto Kozo | Zendy; Nagano Isamu | Zendy; Okada Toshimi | Zendy; Yamamoto Masayuki | Zendy; Kimura Iwane | Zendy

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Antenna vector impedance measurement by the EXOS‐D (Akebono) very low frequency plasma wave instrument (VLF)

Author(s) -

Hashimoto Kozo,

Nagano Isamu,

Okada Toshimi,

Yamamoto Masayuki,

Kimura Iwane

Publication year - 1991

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/91gl00035

Subject(s) - electrical impedance , very low frequency , resistive touchscreen , antenna (radio) , physics , plasma , capacitance , geophysics , low frequency , acoustics , electrical engineering , electrode , engineering , quantum mechanics , astronomy

Antenna impedance has been measured on board the EXOS‐D (Akebono) satellite by imposing a constant current at VLF. The impedance is obtained in a complex form, i.e., as a resistance and a capacitance. This is essential to obtain the absolute electric field intensities of tbe VLF waves. A critical frequency below which the resistive part becomes important is also obtained.

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