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Dive into the research topics where R. Higashi is active.

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Featured researches published by R. Higashi.


ursi general assembly and scientific symposium | 2014

Low frequency characteristics of electric wire antenna onboard scientific spacecraft

Tomohiko Imachi; R. Higashi; Mitsunori Ozaki; Satoshi Yagitani

For satellite observation of the electric fields of waves, a dipole antenna using a wire (wire antenna) is often used. For calibration of a wire antenna, the effective length is a problem. In our present research, we clarified that the characteristics of the effective length depends on the frequency and the structure of the wire antenna, such as the wire insulator and the shape of tips by holding “rheometry” experiments[1]. In this paper we describe about “DPS method” on which we calculated the characteristic of the effective length theoretically.


Electronics and Communications in Japan Part I-communications | 2007

Rheometry experiment for a wire antenna aboard spacecraft at low frequencies

Tomohiko Imachi; Satoshi Yagitani; R. Higashi; Isamu Nagano


The Journal of The Institute of Image Information and Television Engineers | 2018

Observation of the MF Broadcasting wave Intensities during the Annular Solar Eclipse

Tetsuo Fukami; Isamu Nagano; R. Higashi


international workshop on antenna technology | 2016

Characteristics of electric antennas aboard scientific spacecraft

Tomohiko Imachi; Koudai Kita; M. Ozaki; Satoshi Yagitani; R. Higashi


Japan Geoscience Union | 2016

Low frequency characteristics of a wire antenna with noise reduction shield

Takayuki Kita; Tomohiko Imachi; Satoshi Yagitani; Mitsunori Ozaki; R. Higashi


Archive | 2008

Estimation of the Antenna Impedance of the Sensors aboard Scientific Spacecrafts

Tomohiko Imachi; Satoshi Yagitani; I. Nagano; R. Higashi; H. Matsumoto


Archive | 2007

Influence of Plasma Wake Around Satellite Body on Characteristics of Electric Field Sensor

R. Higashi; Tomohiko Imachi; Satoshi Yagitani


Archive | 2006

Analysis of wire antenna for low frequency electric field measurement

Tomohiko Imachi; Satoshi Yagitani; Kozo Yamashita; R. Higashi; I. Nagano; Osamu Nagai


Archive | 2004

Characteristics of Electric Wire Antennas Onboard Scientific Spacecraft

S. Esaki; Tomohiko Imachi; Satoshi Yagitani; I. Nagano; R. Higashi; Michio Tsutsui; Haruhisa Matsumoto


Archive | 2004

Characteristics of wire antennas onboard Akebono satellite

R. Higashi; Tomohiko Imachi; Satoshi Yagitani; I. Nagano; Iwane Kimura

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Haruhisa Matsumoto

Japan Aerospace Exploration Agency

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Tetsuo Fukami

Ishikawa National College of Technology

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