T. Okada

发表

Plasma wave observation and sounder experiments (PWS) using the Akebono (EXOS-D) satellite ― instrumentation and initial results including discovery of the high altitude equatorial plasma turbulence

Takahiro Obara, Kaori Kobayashi, Hiroshi Oya, 1990 .

Coordinated FAST/Geotail Observations of Magnetosphere-Ionosphere Coupling

R. Lysak, F. Mozer, G. Parks, 1998 .

Geotail observations of spiky electric fields and low-frequency waves in the plasma sheet and plasma sheet boundary

H. Hayakawa, F. Mozer, C. Cattell, 1994 .

Wave form analysis of the continuum radiation observed by GEOTAIL

H. Matsumoto, H. Kojima, S. Yagitani, 1994 .

VLF Observations by the Akebono (EXOS-D) Satellite

Hiroshi Matsumoto, Isamu Nagano, Iwane Kimura, 1990 .

Study of VLF band electromagnetic waves in the Antarctica observed by polar patrol balloons

K. Ishisaka, T. Okada, T. Miyake, 2004, 2004 Asia-Pacific Radio Science Conference, 2004. Proceedings..

Evaluation of DC electric field measurement by the double probe system aboard the Geotail spacecraft

Yasumasa Kasaba, Keigo Ishisaka, Ayako Matsuoka, 2006 .

COMMISSION H : Waves in Plasmas ( November 2004 – October 2007 )

Y. Omura, T. Okada, 2008 .

Relationship between the GEOTAIL Spacecraft Potential and the Magnetospheric Electron Number Density Including the Distant Tail Regions

H. Hayakawa, H. Matsumoto, K. Ishisaka, 2001 .

EXOS D observations of enhanced electric fields during the Giant Magnetic Storm in March 1989

H. Hayakawa, A. Matsuoka, A. Nishida, 1993 .

Lower hybrid waves observed at the dayside polar region: SS‐520‐2 rocket experiment

H. Kojima, K. Hashimoto, Y. Ueda, 2003 .

Electric field fluctuations and charged particle precipitation in the cusp

H. Hayakawa, A. Matsuoka, N. Kaya, 1993 .

EXOS‐D observations of electric field fluctuations and charged particle precipitation in the polar cusp

H. Hayakawa, T. Mukai, A. Matsuoka, 1991 .

Measurement of electron density profile in the lower ionosphere during nighttime by rocket observations of MF and VLF radio waves

I. Kimura, I. Nagano, T. Okada, 2000 .

GEOTAIL observations of electrostatic waves in the lower hyrid frequency range in the plasma sheet boundary layer

H. Hayakawa, H. Matsumoto, T. Mukai, 1994 .

The morningside low-latitude boundary layer as determined from electric and magnetic field measureme

H. Hayakawa, F. Mozer, S. Kokubun, 1994 .

Full wave calculation method of VLF wave radiated from a dipole antenna in the ionosphere-analysis of joint experiment by HIPAS and akebono satellite

I. Kimura, S. Yagitani, A. Wong, 1994 .

Rocket measurement of wave normal directions of low‐latitude sunset whistlers

M. Hayakawa, T. Okada, A. Iwai, 1974 .

Understanding the “SEKKI” phenomena in Japanese historical literatures based on the modern science of low-latitude aurora

K. Shiokawa, Y. Nakazawa, T. Okada, 2004 .

Morphological characteristics and the polarization of plasmaspheric ELF hiss observed at Moshiri (L ∼ 1.6)

M. Hayakawa, T. Okada, Yoshihito Tanaka, 1985 .

Electric Field Measurements on the GEOTAIL Satellite

R. Schmidt, Ayako Matsuoka, Koichiro Tsuruda, 1994 .

Application of Spacecraft Potential to Investigate the Distribution of Low-Energy Plasma in Magnetosphere

H. Hayakawa, H. Matsumoto, K. Ishisaka, 2005 .

Plasma Wave Observations with GEOTAIL Spacecraft

Minoru Tsutsui, Hiroshi Matsumoto, Masaki Okada, 1994 .

COMMISSION H : Waves in Plasmas ( Nov . ' 2001-Oct . ' 2004 )

Y. Omura, T. Okada, 2005 .

COMMISSION H: WAVES IN PLASMAS

T. Okada, 2002 .

Measurements and analysis of antenna impedance aboard the Geotail spacecraft

H. Matsumoto, H. Kojima, S. Yagitani, 1997 .

A flux rope followed by recurring encounters with traveling compression regions: GEOTAIL observations

H. Hayakawa, K. Shiokawa, A. Matsuoka, 1994 .

Substorm-associated VLF emissions with frequency drift observed in the premidnight sector

M. Hayakawa, S. Sazhin, M. Tixier, 1988 .

Characteristics of dawnside mid-latitude VLF emissions associated with substorms as deduced from the two-stationed direction finding measurement

M. Hayakawa, S. Sazhin, K. Kurita, 1986 .

Direct entry of dense flowing plasmas into the distant tail lobes

H. Hayakawa, F. Mozer, S. Kokubun, 1994 .

Long‐duration whistler waves in the magnetosheath: Wave characteristics and the possible source region

H. Matsui, T. Mukai, Y. Saito, 1997 .

Electric Field Measurement on the Akebono (EXOS-D) Satellite

Akira Kadokura, Takahiro Obara, Ayako Matsuoka, 1990 .

ISEE 1 and Geotail observations of low-frequency waves at the magnetopause

F. Mozer, C. Cattell, S. Kokubun, 1995 .

Time scales for the formation, lifetime and decay of low latitude whistler ducts

M. Hayakawa, T. Okada, J. Ohtsu, 1983 .

Direction findings of medium‐latitude whistlers and their propagation characteristics

M. Hayakawa, T. Okada, A. Iwai, 1981 .

Goniometric direction finding for low-latitude whistlers and their propagation mechanism

M. Hayakawa, T. Okada, Yoshihito Tanaka, 1981 .

A new whistler direction finder

M. Hayakawa, T. Okada, A. Iwai, 1981 .

The measurement of incident and azimuthal angles and the polarization of whistlers at low latitudes

M. Hayakawa, T. Okada, A. Iwai, 1977 .

Low Frequency Generation and Detection of the Lamb Wave A0 Mode Using EMAT

Xiaoming Chen, Songsong Li, Toshimi Okada, 2007 .

A modified error backpropagation algorithm for complex-value neural networks

Xiaoming Chen, Zheng Tang, Catherine Vairappan, 2005, Int. J. Neural Syst..

Absolute intensities of low-latitude whistlers as deduced from the direction-finding measurement

M. Hayakawa, K. Ohta, T. Okada, 1985 .

GROUND-BASED RECEPTION OF THE WHISTLER MODE DECCA SIGNALS

Y. Katoh, M. Hayakawa, T. Okada, 1985 .

Satellite and ground observations of HIPAS VLF modulation

Iwane Kimura, Kozo Hashimoto, R. Wuerker, 1991 .

Absolute intensity of daytime Whistlers at low and middle latitudes and its latitudinal variation

M. Hayakawa, K. Ohta, T. Okada, 1986 .

The relationship between the polarization of whistlers and their dispersion

M. Hayakawa, T. Okada, Yoshihito Tanaka, 1986 .

A new device for measurement of polarization and field intensity of low‐latitude whistlers

T. Okada, A. Iwai, 1980 .

Investigation of electron density profile in the lower ionosphere by SRP-4 rocket experiment

T. Okada, T. Miyake, J. Hawkins, 2002 .

Development of a Measuring Apparatus of the Polarization and Intensity of Low-Latitude Whistlers

T. Okada, A. Iwai, 1980 .

Experimental study of the relationship between the propagation distance and the polarization characteristics of whistlers

M. Hayakawa, T. Okada, Yoshihito Tanaka, 1983 .

Field‐aligned current signatures during the March 13–14, 1989, Great Magnetic Storm

H. Hayakawa, F. Tohyama, S. Kokubun, 1992 .

Waves in airglow structures experiment 2004: Overview and preliminary results

S. Kawamura, Takuji Nakamura, K. Shiokawa, 2005 .

Electromagnetic Acoustic Transducer for Generation and Detection of Guided Waves

Songsong Li, Toshimi Okada, Xiaoming Chen, 2006 .

Auroral myriametric radiation observed By GEOTAIL

H. Matsumoto, H. Kojima, T. Iyemori, 1994 .

Low Frequency plasma wave Analyzer (LFA) onboard the PLANET-B spacecraft

Minoru Tsutsui, Hiroshi Matsumoto, Satoshi Yagitani, 1998 .

EXOS-D (AKEBONO) very low frequency plasma wave instruments (VLF)

Hiroshi Matsumoto, Isamu Nagano, Iwane Kimura, 1997, IEEE Trans. Geosci. Remote. Sens..

Multiple Thin Layers of Enhanced Ionization in the Ionospheric E-Region Derived from VLF Wave Measurements

K. Okumura, I. Nagano, T. Okada, 1997 .

Magnetic Radiations from Harness Wires of Spacecraft

H. Matsumoto, T. Mukai, H. Kojima, 1992 .

k vector measurements of VLF signals by the satellite EXOS‐D

Yoshihiko Ito, Isamu Nagano, Iwane Kimura, 1991 .