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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 39  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
Hokkaido Hokkaido Univ. [Poster Presentation] A Study for Ultra-long Range Detection of the Small Flight Object by Marine Radar
Daisuke Hayashi (Koden Electronics)
In order to recover the re-entry capsule of asteroid explorer Hayabusa2 in 2020, the landing position estimation system ... [more]
Kanagawa JAXA (Sagamihara) [Invited Talk] Onboard GaN high-power amplifier for 50-kg-class ultra-small deep-space probe "PROCYON"
Yuta Kobayashi (JAXA), Satoshi Yoshida (Kagoshima Univ.), Shigeo Kawasaki (JAXA) MW2019-61
Recently, a lot of nano- or micro-satellites have been developed and utilized for various low-earth-orbit missions. PROC... [more] MW2019-61
- 2019-06-28
Overseas RUS, Bangkok, Thailand An X-band Portable 3D-printed Lens Antenna with Integrated Waveguide Feed for Microwave Imaging
Nonchanutt Chudpooti, Prayoot Akkaraekthalin (KMUTNB)
This paper presents a portable 3D-printed lens antenna fed by a standard rectangular waveguide at X-band for object clas... [more]
SANE 2018-11-09
Overseas China (Xuchang) Measurement of dependence of ocean surface backscattering on oceanwinds by using airborne SAR
Akitsugu Nadai, Shoichiro Kojima, Jyunpei Uemoto (NICT) SANE2018-87
The oceanwinds measurement in wide area with high spatial resolution
is important to investigate the coastal ocean envi... [more]
- 2018-06-29
Overseas KMITL, Bangkok, Thailand X-Band Broadband Branch-Line Coupler with Loose Coupling Utilizing Short-/Open-Circuited Coupled-Transmission Lines
Yuya Haoka, Tadashi Kawai, Akira Enokihara (Univ. of Hyogo)
In this research, we describe broadband branch-line couplers with very loose coupling at X-band. The proposed branch-lin... [more]
SANE 2018-06-22
Ibaraki Tsukuba Space Center, JAXA The development of X band 2.8Gbps dual polarization downlink satellite communication
Tomoki Kaneko (Tokyo Univ.), Makoto Mita, Atsushi Tomiki, Hirobumi Saito (JAXA) SANE2018-15
his paper describes the development of a 2.8Gbps X-band transmitter (XTX) and dual circularly polarized wave antenna. Th... [more] SANE2018-15
MW, ED 2017-01-27
Tokyo Kikai-Shinko-Kaikan Bldg. 30W Output/60% PAE GaN Power Amplifier at X-band 8% Relative Bandwidth Utilizing 0.15um GaN HEMT Technology
Yoshifumi Kawamura, Masatake Hangai, Tomohiro Mizutani, Kenichi Tomiyama, Koji Yamanaka (Mitsubishi Electric) ED2016-111 MW2016-187
In this paper, a 30W-class X-band high-efficiency Internally Matched FET (IMFET) implemented in a 0.15 um GaN HEMT proce... [more] ED2016-111 MW2016-187
SANE 2016-06-24
Ibaraki Tsukuba Space Center, JAXA Gain Measurement of Onboard Antennas for PROCYON with a 3-Antenna Method
Yuzo Tamaki, Takehiko Kobayashi (TDU), Atsushi Tomiki (JAXA) SANE2016-11
Precise determination of antenna phase centers is crucial to reduce the gain uncertainty in the three-antenna method, pa... [more] SANE2016-11
Hiroshima Hiroshima Institute of Technology High Power transmitter for X band SAR system on Small satellite
Hiromi Watanabe (UT), Hirobumi Saito (JAXA) SANE2015-109
We are now developing subsystems in order to put our X-band Synthetic Aperture Radar system for 100kg class small satell... [more] SANE2015-109
Hiroshima Hiroshima Institute of Technology Evaluation of Nonlinear Phase Distortion in X-band GaAs and GaN Power Amplifiers for Small Satellite Communication and its Effect to Multi-level Modulation
Masafmi Morimoto, Tomoya Fukami, Hiromi Watanabe (UTokyo), Hirobumi Saito (JAXA) SANE2015-110
In this paper, in order to understand AM-PM characteristics, we simulated AM-PM using equivalent circuit of FET. In addi... [more] SANE2015-110
ASN 2015-11-06
Tokyo NICT Koganei HQ [Invited Talk] Challenges for Realistic Deployment of IoT Devices to Agriculture Field with Low Costs, Safety , Fine-grained Measurement, and Suitable Design
Masayuki Iwai (TDU) ASN2015-74
2015 autumn , catastrophic occur flood damage that led to the damage of heavy rain damage amounts to Joso-city rice harv... [more] ASN2015-74
SAT 2015-10-08
Osaka Osaka University Nakanoshima Center Simulation and Measurement results of BER Performance and Spectrum Distortion under High-order Modulation with the X-band GaN SSPA
Mitsuhiro Nakadai (JAXA), Masahiro Funabashi, Toshihumi Inome (NEC Space) SAT2015-39
Japan Aerospace Exploration Agency (JAXA) has developed a 20W class X-band Solid State Power Amplifier (SSPA) using gall... [more] SAT2015-39
SAT 2015-10-08
Osaka Osaka University Nakanoshima Center Relationship between Rain Attenuation Characteristics of Ku-Band Satellite Communications Links and Convective Rain Cloud Distribution in Tropical Region
Keigo Takemoto, Yoshiaki Shibagaki, Yasuyuki Maekawa (Osaka Electro-Commun. Univ.) SAT2015-45
Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth sta... [more] SAT2015-45
MW, ED 2015-01-16
Tokyo Kikai-Shinko-Kaikan Bldg. An X-band 310 W High Power GaN HEMT Amplifier
Ken Kikuchi, Makoto Nishihara, Hiroshi Yamamoto, Shinya Mizuno, Fumikazu Yamaki, Takashi Yamamoto (SEDI) ED2014-126 MW2014-190
A high-output power and broadband GaN high electron mobility transistor (HEMT) has been developed for X-band application... [more] ED2014-126 MW2014-190
SANE 2014-06-20
Ibaraki Tsukuba Space Center, JAXA Development of 20W class X-band Amplifier using GaN -- The Feasibility Study by the System Evaluation --
Mitsuhiro Nakadai, Johta Awano, Masanobu Yajima (JAXA), Masahiro Funabashi, Tomo Sakata (NTSpace) SANE2014-36
Japan Aerospace Exploration Agency (JAXA) has developed a 20W class X-band Solid State Power Amplifier (SSPA) using gall... [more] SANE2014-36
SANE 2014-06-20
Ibaraki Tsukuba Space Center, JAXA The Development of Rectangular Slot Array Antenna onboard MicroXSAR
Prilando Rizki Akbar, Hirobumi Saito (JAXA), Miao Zhang, Jiro Hirokawa (Tokyo Inst. of Tech.) SANE2014-39
The demand for employing a Synthetic Aperture Radar (SAR) sensor onboard a small and low-cost satellite is highly increa... [more] SANE2014-39
AP 2014-05-30
Okinawa Okinawa Industory Support Center Relationship between Rain Attenuation Duration Time of Ku-Band Satellite Communications Links and Speeds of Rain Area Motion in Equatorial Region
Yasuyuki Maekawa, Keigo Takemoto, Akihiro Tama, Yoshiaki Shibagaki (Osaka Electro-Comm. Univ.) AP2014-29
Rain attenuation statistics are obtained for both up and down links of Ku-band Superbird C, which connects the earth sta... [more] AP2014-29
Overseas Le Quy Don Technical University (Hanoi, Vietnam) Design, optimization and implementation of microstrip patch antenna array for Microwave X-Band Applications
Phong Le Dai, Bao Nguyen Phung, Huy Nguyen Quang, Nguyen Nguyen Hoang, Dai Pham Cao, Linh Trinh Dinh (Le Quy Don Tech. Univ.)
The objective is to design and fabricate a simple, low cost and high gain two-element rectangular X-Band microstrip arra... [more]
SANE 2013-12-02
Overseas VAST/VNSC(2nd Dec.) & Melia Hotel (3rd Dec), Hanoi, Vietnam Development of a 20W class X-band Amplifier using GaN HEMT Technology for Space Use
Mitsuhiro Nakadai, Johta Awano, Masaaki Shimada (JAXA), Masahiro Funabashi (NTSpace) SANE2013-92
Japan Aerospace Exploration Agency (JAXA) has developed a 20W class X-band Solid State Power Amplifier (SSPA) using gall... [more] SANE2013-92
SANE 2013-12-03
Overseas VAST/VNSC(2nd Dec.) & Melia Hotel (3rd Dec), Hanoi, Vietnam Preliminary Study on MicroXSAR Mission using SDS Bus System
Takashi Ohtani, Hiroyuki Morishita, Moto Takai, Koichi Fujihira, Yoshiyuki Miura, Yuta Nakajima, Naoki Nishimura, Koichi Inoue, Hirobumi Saito (JAXA) SANE2013-101
(To be available after the conference date) [more] SANE2013-101
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