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Technical Committee on Microwaves (MW) (Searched in: 2009)
Search Results: Keywords 'from:2009-09-25 to:2009-09-25'
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| MW | 2009-09-25 09:00 |
Tokyo | Univ. of Electro-Communications | Dependence of Weather Conditions for a 120-GHz-band Millimeter-wave Wireless Link Akihiko Hirata, Hiroyuki Takahashi, Naoya Kukutsu, Yuichi Kado (NTT Corp.)  MW2009-74 |
We have conducted long-term transmission experiments using the 120-GHz-band millimeter-wave wireless link, and measured ... [more] | MW2009-74 pp.1-6 |
| MW | 2009-09-25 09:25 |
Tokyo | Univ. of Electro-Communications | 60-GHz band Electrically Steerable Reflectarray Antenna Using PIN Diode Hirokazu Kamoda, Toru Iwasaki, Jun Tsumochi, Takao Kuki (NHK) MW2009-75 |
A 60-GHz band electrically steerable reflectarray antenna has been investigated. Each reflecting element was printed on ... [more] | MW2009-75 pp.7-12 |
| MW | 2009-09-25 09:50 |
Tokyo | Univ. of Electro-Communications | Basic study on improvement of pattern orthogonality for dual-band MIMO antennas Akira Saitou (YKC Corp.), Yuuya Hoshino (UEC), Yutaka Aoki (Casio), Kazuhiko Honjo (UEC) MW2009-76 |
Input impedance of the antenna is shown to be explained with the cascaded circuits, consisting of an antenna’s conductor... [more] | MW2009-76 pp.13-18 |
| MW | 2009-09-25 10:30 |
Tokyo | Univ. of Electro-Communications | Verification of Evaluation Techniques for Residual Directivity in Vector Network Analyzer
-- Ripple Technique and Evaluation in Vector Value -- Kenichi Kudo (Nagano Pref. Center), Masahiro Horibe, Masaaki Shida (AIST) MW2009-77 |
The residual directivities in vector network analyzer (VNA) calculated by the ripple technique were verified referring t... [more] | MW2009-77 pp.19-23 |
| MW | 2009-09-25 10:55 |
Tokyo | Univ. of Electro-Communications | Residual Uncertainty Evaluation in Vector Network Analyzer at RF frequency Masahiro Horibe, Masaaki Shida, Koji Komiyama (NMIJ-AIST) MW2009-78 |
Air line are useful for the evaluations of residual elements in vector network analyzer measurements. However, air line ... [more] | MW2009-78 pp.25-29 |
| MW | 2009-09-25 11:20 |
Tokyo | Univ. of Electro-Communications | Development of the resonator to measure a complex permittivity at the wide temperature Jun-ichi Sugiyama (AIST) MW2009-79 |
The TM0n0 mode cylindrical cavity resonator which can change the temperature of the object sample in the wide area is cr... [more] | MW2009-79 pp.31-36 |
| MW | 2009-09-25 11:45 |
Tokyo | Univ. of Electro-Communications | Measurement of the Surface Resistivity of Conductive Textiles Using a Microwave Resonator Hitoshi Shimasaki, Masahiro Akiyama (Kyoto Inst of Tech) MW2009-80 |
Surface resistivity of conductive textiles is measured in a microwave frequency range. The sample textiles consist of co... [more] | MW2009-80 pp.37-42 |
| MW | 2009-09-25 13:00 |
Tokyo | Univ. of Electro-Communications | 60-GH-band CMOS Phased Array Transmitter Shuya Kishimoto, Naoyuki Orihashi, Yasuhiro Hamada, Masaharu Ito, Kenichi Maruhashi (NEC Corp.) MW2009-81 |
A 60-GHz band phased array transmitter is developed based on standard 90-nm CMOS process and beam steering function is d... [more] | MW2009-81 pp.43-48 |
| MW | 2009-09-25 13:25 |
Tokyo | Univ. of Electro-Communications | A Correction Method for Deviation of Signal Detection Point in Range-finding by Using Standing Wave Aya Ishikawa, Tetsuji Uebo (Saika) MW2009-82 |
Standing Wave Radar measure distance by using standing wave. The radar has a simple configuration and can measure short ... [more] | MW2009-82 pp.49-54 |
| MW | 2009-09-25 13:50 |
Tokyo | Univ. of Electro-Communications | A Low-Power, Small Area Quadrature LC-VCO using miniature 3D Solenoid shaped Inductor Akira Tanabe, Ken'ichiro Hijioka, Hirokazu Nagase, Yoshihiro Hayashi (NEC Electronics Corp.) MW2009-83 |
An extra small area, low-power 5GHz Quadrature LC-VCO and PLL have been fabricated using 3 dimensional (3D) solenoid sha... [more] | MW2009-83 pp.55-60 |
| MW | 2009-09-25 14:25 |
Tokyo | Univ. of Electro-Communications | A Cascode Power Amplifier Consisting of Independently Biased Transistors and Its Design for Improved Power-Efficiency and Distortion Yoichiro Takayama, Kazuhiko Honjo (Univ. of Electro-Comm.) MW2009-84 |
In microwave and millimeter-wave power amplifiers, cascode circuits are introduced to realize high-power output performa... [more] | MW2009-84 pp.61-65 |
| MW | 2009-09-25 14:50 |
Tokyo | Univ. of Electro-Communications | Design and Fabrication for a GaN HEMT Microwave Doherty Power Amplifier with a Series Connected Load Satoshi Kawai, Yoichiro Takayama, Ryo Ishikawa, Kazuhiko Honjo (UEC) MW2009-85 |
Doherty amplifiers are expected as a high-efficiency microwave power amplifier at a wide dynamic range. Doherty introduc... [more] | MW2009-85 pp.67-72 |
| MW | 2009-09-25 15:15 |
Tokyo | Univ. of Electro-Communications | C-band 340-W and X-band 100-W GaN Power Amplifiers with Over 50-% PAE Hisao Shigematsu, Yusuke Inoue, Akihiko Akasegawa, Satoshi Masuda, Masao Yamada, Masahito Kanamura, Toshihiro Ohki, Kozo Makiyama, Naoya Okamoto, Kenji Imanishi, Toshihide Kikkawa, Kazukiyo Joshin, Naoki Hara (Fujitsu Lab.) MW2009-86 |
In this paper, we report an X-band power amplifier with over 100-W output power using 0.25-μm GaN-HEMTs and a C-band pow... [more] | MW2009-86 pp.73-78 |
| MW | 2009-09-25 15:50 |
Tokyo | Univ. of Electro-Communications | Construction and Design Equations of a Lumped Element Dual-Band Wilkinson Divider Takeshi Oshima, Toru Fukasawa, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric Corp.) MW2009-87 |
This report presents the construction and design equations of a lumped element Wilkinson divider with dual-band operatio... [more] | MW2009-87 pp.79-82 |
| MW | 2009-09-25 16:15 |
Tokyo | Univ. of Electro-Communications | Bandstop Filter with Periodic Nonuniform Transmissionlines whose Linewidths are Determined by the Fermi--Dirac Function Kenji Matsushita, Makoto Fukuda, Kouichi Hamanaka (Chitose Inst. of Sci and Tech.) MW2009-88 |
[more] | MW2009-88 pp.83-86 |
| MW | 2009-09-25 16:40 |
Tokyo | Univ. of Electro-Communications | Real-time intution and image/movie analyses of RF-wave signal propagation by live-electric-imaging camera Masahiro Tsuchiya (NICT), Takahiro Shiosawa (Takuma National College of Tech.) MW2009-89 |
This paper reports a novel experimental scheme to intuitively analyze signal wave propagations on RF planar circuit boar... [more] | MW2009-89 pp.87-92 |
| MW | 2009-09-25 17:15 |
Tokyo | Univ. of Electro-Communications | [Special Talk]
Anlysis and Design of a Dynamic Predistorter for WCDMA Handsets Power Amplifier Shingo Yamanouchi, Yuuichi Aoki, Kazuaki Kunihiro (NEC), Tomohisa Hirayama (NEC Electronics Corp.), Takashi Miyazaki (NEC), Hikaru Hida (NEC Electronics Corp.) MW2009-90 |
This paper presents a dynamic predistorter (PD), which linearizes dynamic AM-AM and AM-PM of a wide-band CDMA (WCDMA) ha... [more] | MW2009-90 pp.93-98 |
| MW | 2009-09-25 17:40 |
Tokyo | Univ. of Electro-Communications | [Special Talk]
Frequency and Phase Difference Control Using Fractional-N PLL Synthesizers by Composition of Control Data Kenichi Tajima, Ryoji Hayashi (Mitsubishi Electric Corp.) MW2009-91 |
A novel phase control technique of LO signals using a Fractional-N PLL(F-PLL) synthesizer is described. In multiple, pa... [more] | MW2009-91 pp.99-104 |
| MW | 2009-09-25 18:05 |
Tokyo | Univ. of Electro-Communications | [Special Talk]
2-D Left-Handed Metamaterial Structures Composed of Dielectric Resonators and Parallel Plates Tetsuya Ueda (Kyoto Inst. of Tech.), Tatsuo Itoh (Univ. of California at Los Angeles) MW2009-92 |
The report proposes new type of 2-D left-handed metamaterial structures, which are composed of dielectric resonators and... [more] | MW2009-92 pp.105-109 |
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