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All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| AP, SAT, SANE (Joint) |
2016-07-22 14:00 |
Hokkaido | Otaru port marina | A Consideration on Null-filling for Array Antenna Yoshio Ebine, Masahiko Nasuno (NAZCA)  AP2016-61 |
The null-filling antenna can be achieved by fed tapered to sequentially with a constant coefficient (maximum amplitude /... [more] | AP2016-61 pp.133-136 |
| CS, CAS | 2016-02-25 13:55 |
Wakayama | Laforet Nanki-Shirahama Hotel | A Study on Computational Complexity Reduction of Orthogonal Precoding for Cognitive Radio Systems Hikaru Kawasaki, Masaya Ohta, Katsumi Yamashita (Osaka Pref. Univ.) CAS2015-81 CS2015-86 |
その研究内容はこちらになりまして、信号処理アルゴリズムという理論面とそのFPGAによる実装面の両方の研究を行っています。 これによって有限である周波数資源を効率的に利用し，トラヒック増大の問題を解決したいと考えています。 Ort... [more] |
CAS2015-81 CS2015-86 pp.7-11 |
| SANE | 2016-01-21 15:55 |
Nagasaki | Nagasaki Prefectural Art Museum | Range side lobe characteristic in Unequal Stepped Multiple Frequency CPC Masato Watanabe, Manabu Akita, Takayuki Inaba (UEC) SANE2015-90 |
Currently, considering Doppler ambiguity such as a multi-frequency step CPC scheme, have a frequency step number N is 8.... [more] | SANE2015-90 pp.47-52 |
| SANE | 2016-01-21 16:20 |
Nagasaki | Nagasaki Prefectural Art Museum | Multiplexing of Antenna Signal Using Perfect Periodic Code for PC-HPRF Radar. Takashi Shiba, Masato Watanabe, Masahiro Ishii, Manabu Akita, Takayuki Inaba (UEC) SANE2015-91 |
MIMO (Multi Input Multi Output) methods of PC-HPRF(Phase Coded High Pulse Repetition Frequency) radar have been studied.... [more] | SANE2015-91 pp.53-58 |
| MW | 2015-12-17 10:30 |
Tokyo | Tokyo Univ. of Science | Development of RF Simulation for PC-HPRF Radar. Takashi Shiba, Masato Watanabe, Masahiro Ishii, Manabu Akita, Takayuki Inaba (UEC) MW2015-134 |
PC-HPRF(Phase Coded High Pulse Repetition Frequency) radar have been studied. It is necessary to keep highratio between ... [more] | MW2015-134 pp.7-12 |
| SANE | 2015-10-30 16:00 |
Osaka | OIT UMEKITA Knowledge Center | Complex Sequence with Low Sidelobe Aperiodic Correlation for Code Division Multiple PC-HPRF Radar. Takashi Shiba, Masato Watanabe, Masahiro Ishii, Manabu Akita, Takayuki Inaba (UEC) SANE2015-48 |
MIMO (Multi Input Multi Output) method of PC-HPRF(Phase Coded High Pulse Repetition Frequency) radar have been studied.... [more] |
SANE2015-48 pp.37-42 |
| AP | 2015-07-30 14:55 |
Hokkaido | Wakkanai Sougou Bunka Center | Sidelobe Reduction of Mono Pulse Pattern Using Time Modulated Array Antenna Makoto Matsuki, Kazunari Kihira, Satoshi Yamaguchi, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric Corporation) AP2015-47 |
A low side lobe level pattern in a phased array antenna is desired for the radar systems. The phase shifter control type... [more] | AP2015-47 pp.45-50 |
| CS | 2015-07-02 14:15 |
Okinawa | Eef Information Plaza (Kumejima Is.) | [Invited Talk]
FPGA Implementation of NCSP-OFDM for Sidelobe Suppression Hikaru Kawasaki, Masaya Ohta, Katsumi Yamashita (Osaka Pref. Univ.) CS2015-18 |
$N$-continuous symbol padding OFDM (NCSP-OFDM) is a precoding technique that achieves a lower-sidelobe transmission sign... [more] | CS2015-18 pp.51-54 |
| RCS | 2015-06-26 09:08 |
Hokkaido | Hokkaido Univ. | Channel Sounders for Underwater Acoustic Communications Employing Acoustic Electronic Equipments Shunichi Ueda, Dai Aizawa, Takashi Shimizu, Takahide Ichikawa, Hiroshi Kubo (Ritsumeikan Univ.) RCS2015-81 |
This paper discusses channel sounders for underwater acoustic communications (UWAC), which estimate channel impulse resp... [more] | RCS2015-81 pp.205-210 |
| MSS, CAS, SIP, VLD | 2015-06-18 10:45 |
Hokkaido | Otaru University of Commerce | Multi-channel Feedforward ANC System Using Microphone Arrays for Noise Source Separation Satoshi Kinoshita, Yoshinobu Kajikawa (Kansai Univ.) CAS2015-16 VLD2015-23 SIP2015-47 MSS2015-16 |
Multi-channel feedforward ANC system can reduce various noise such as the broad-band noise by arranging the reference mi... [more] | CAS2015-16 VLD2015-23 SIP2015-47 MSS2015-16 pp.83-88 |
| WPT, MW | 2015-04-17 10:45 |
Tokyo | Kikai-Shinko-Kaikan Bldg. | Design Method of a Well-confined Microwave Beam by Synthesizing Spherical Wave Takayuki Matsumuro, Yohei Ishikawa, Takaki Ishikawa, Naoki Shinohara (Kyoto Univ.) WPT2015-11 MW2015-11 |
Beam forming of the phased array antenna is one of the most important technology in the microwave power transmission sys... [more] | WPT2015-11 MW2015-11 pp.57-60 |
| ISEC, IT, WBS | 2015-03-02 13:40 |
Fukuoka | The University of Kitakyushu | Channel Sounders for Acoustic Communications Employing Acoustic Electronic Equipment
-- Basic Structure of Channel Sounders for Acoustic Communications -- Takahide Ichikawa, Takashi Shimizu, Dai Aizawa, Hiroshi Kubo (Ritsumeikan Univ) IT2014-72 ISEC2014-85 WBS2014-64 |
This paper discusses channel sounders, which estimate channel impulse response, using commercial electric acoustic equip... [more] | IT2014-72 ISEC2014-85 WBS2014-64 pp.63-68 |
| US, EA (Joint) |
2015-01-28 15:50 |
Kyoto | Doshisha Univ. | Ultrasonic Visualisation of Continuous and Pulse Wave Yuusuke Tanaka, Katsumi Ohira, Yukio Ogura (Japan Probe) US2014-80 EA2014-59 |
Ultrasonic propagation of continuous wave and pulse wave were visualised by simulator. Acoustic field of plane probe was... [more] | US2014-80 EA2014-59 pp.33-38(US), pp.1-6(EA) |
| SANE | 2015-01-22 15:20 |
Nagasaki | Nagasaki Prefectural Art Museum | Range and Doppler Characteristics of Ipatov perfect cycle code Masato Watanabe, Ryo Yamashita, Manabu Akita, Takayuki Inaba (UEC) SANE2014-110 |
PC-HPRF(Phase Code HPRF) radar that use Inter-pulse Cyclic Coding and adopting HPRF (High Pulse Repetition Frequency) m... [more] | SANE2014-110 pp.29-34 |
| AP | 2015-01-23 14:45 |
Ehime | Ehime University | Design method of High-efficiency and Low-side-lobe Reflectarray Antenna Yuka Fujii, Katsutoshi Ikarashi, Shigeru Makino, Tetsuo Hirota, Keisuke Noguchi, Kenji Itoh (KIT) AP2014-183 |
In this paper, we propose a high efficiency and low-side-lobe reflectarray antenna by taking into account the grating lo... [more] | AP2014-183 pp.127-132 |
| OME, OPE | 2014-11-21 17:30 |
Tokyo | An optical tunable add-drop multiplexer featuring ferroelectric liquid crystal and an improvement of wavelength characteristics by using weighted grating structures Yoshiki Hayama, Katsumi Nakatsuhara, Masayuki Takeda (Kanagawa Inst. Technol.), Akifumi Kato (AIST) OME2014-58 OPE2014-138 |
We proposed and fabricated a tunable add-drop multiplexer in a silicon waveguide Mach-Zehnder interferometer that has sa... [more] | OME2014-58 OPE2014-138 pp.59-64 |
|
| EA | 2014-03-28 17:15 |
Tokyo | NHK Science & Technology Research Labs. | A study of directional speaker using a digitally direct-driven system Takemichi Ishikawa, Syuma Yokoyama, dai Takahashi, Satochi Saikatu, Akira Yasuda (Hosei Univ.) EA2013-127 |
The paper proposes a novel directive control method with amplitude-phase control for a beam forming speaker by using a d... [more] | EA2013-127 pp.43-48 |
| AP | 2014-03-10 13:05 |
Fukushima | Koriyama City Rodo Fukushi Kaikan | Execution Time Investigation of Optimization of 3-Dimensional Antenna Layout for Side Lobe Minimization Tomoki Hori, Masashi Shiraishi, Katsumi Takahashi, Atsuo Ozaki (Mitsubishi Electric) AP2013-186 |
Distributed array radar system consists of two or more small-scale subarray antennas, which synthesizes the outputs of e... [more] | AP2013-186 pp.7-12 |
| SANE | 2013-12-20 14:55 |
Saitama | Nippon Institute of Technology | Target Detection Method within Sidelobe Clutter using Multiple Antenna Pattern of HPRF Radar Satoshi Kageme, Kazufumi Hirata (Mitsubishi Electric Corporation) SANE2013-111 |
HPRF pulse Doppler radar can detect the high speed target of clutter free. On the other hand, low-speed targets affected... [more] | SANE2013-111 pp.25-30 |
| SIP, CAS, CS | 2013-03-14 10:45 |
Yamagata | Keio Univ. Tsuruoka Campus (Yamagata) | Improvement in Transmission Characteristics in Acoustic OFDM with Adaptive Microphone Array and Adaptive Channel Shortening Shota Kono, Yoshinobu Kajikawa (Kansai Univ.) CAS2012-111 SIP2012-142 CS2012-117 |
In this paper, we propose an improvement method of transmission characteristics in acoustic OFDM (orthogonal frequency d... [more] | CAS2012-111 SIP2012-142 CS2012-117 pp.87-91 |
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