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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 32  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2022-10-20
(Primary: On-site, Secondary: Online)
Wideband patch antenna with crank-shaped slits
Takashi Maruyama, Jun Goto, Shigeo Udagawa (Mitsubishi Electric) AP2022-133
Patch antennas are characterized by simple structure. On the other hand, they basically yield narrow frequency bandwidth... [more] AP2022-133
AP 2022-02-18
Online Online [Invited Lecture] Ultra-Wideband Tapered Slot Array Antenna with Conductor Plates at Both Ends of Aperture
Hikaru Watanabe, Takashi Maruyama, Toru Fukasawa (Mitsubishi Electric Corp.) AP2021-173
Tapered slot antenna (TSA) is widely used for wideband phased array in various communication systems and multi-function ... [more] AP2021-173
AP 2021-12-16
Tokyo Kikai-Shinko-Kaikan Bldg.
(Primary: On-site, Secondary: Online)
Stacked Patch Antenna Consisting of Exciting Element on Thin Layer and Parasitic Element on Substrate
Takashi Maruyama, Hiroyuki Aoyama, Toru Takahashi, Masataka Otsuka (Mitsubishi Electric) AP2021-132
In high frequency bands like millimeter wave, antennas might be formed on wiring layers of ICs. We assume to use patch a... [more] AP2021-132
NC, IBISML, IPSJ-BIO, IPSJ-MPS [detail] 2020-06-29
Online Online Efficient Reinforcement learning for Automation of ICT System Design
Yutaka Yakuwa, Takashi Maruyama, Takuya Kuwahara, Takayuki Kuroda (NEC) NC2020-7 IBISML2020-7
 [more] NC2020-7 IBISML2020-7
AP 2019-12-12
Tokyo Kikai-Shinko-Kaikan Bldg. Experimental evaluation of the traveling-wave series-fed dipole array antenna
Jun Goto, Takashi Maruyama, Shigeo Udagawa, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2019-146
 [more] AP2019-146
ICM 2019-03-08
Okinawa   Accelerated Search for Search-Based Network Design Generation Scheme with Reinforcement Learning
Takashi Maruyama, Takuya Kuwahara, Yutaka Yakuwa, Takayuki Kuroda, Yoichi Sato (NEC) ICM2018-71
 [more] ICM2018-71
Tokyo Tokyo Tech Experimental Evaluation of the Travelling-wave Series-fed Microstrip Array Antenna
Jun Goto, Makoto Matsuki, Takashi Maruyama, Satoshi Yamaguchi, Toru Fukasawa, Naohumi Yoneda (MitsubishiElectric Corp.) AP2018-88
 [more] AP2018-88
ICM 2018-07-05
Aomori   Search-based network design generation scheme for closed-loop automation of network operations
Takayuki Kuroda, Takuya Kuwahara, Takashi Maruyama, Yoichi Sato (NEC) ICM2018-11
Even when network operation tasks are automated, the operator who utilizes the automated functions should require abilit... [more] ICM2018-11
AP 2018-04-19
Tokyo Hachijomachi-Shokokai Design of the travelling-wave series-fed microstrip array antenna
Jun Goto, Makoto Matsuki, Takashi Maruyama, Satoshi Yamaguchi, Toru Fukasawa, Naohumi Yoneda (Mitsubishi Electric) AP2018-1
 [more] AP2018-1
AP 2018-02-15
Tokyo Kozo Keikaku Engineering, Inc. [Invited Lecture] A Sparse phased array antenna with two-dimensional radiation pattern reconfigurable elements
Takashi Uesaka, Takashi Maruyama, Satoshi Yamaguchi, Naoyuki Yamamoto, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric) AP2017-178
Active phased array antenna (APAA) can control its beam scan angle electronically. However, it is more expensive than a ... [more] AP2017-178
PRMU, SP 2017-06-23
Miyagi   An Experimental Study on Controlling Rotary Array Radar with DQN
Takashi Maruyama, Tadafumi Nishimura, Michiyo Hiramoto (OKI) PRMU2017-38 SP2017-14
 [more] PRMU2017-38 SP2017-14
AP 2017-05-18
Miyazaki Hotel MERIEGES Miniaturization of Excitation Phase Shift Circuit for Pattern Reconfigurable Array Antenna
Hikaru Watanabe, Yasuo Morimoto, Akimichi Hirota, Takashi Maruyama, Satoshi Yamaguchi, Toru Fukasawa, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2017-28
Active phased array antenna(APAA) is widely used for a radar system or a communication system because it has the attract... [more] AP2017-28
AP 2017-05-18
Miyazaki Hotel MERIEGES Range and Angle Resolution Enhancement for MIMO Radar by Using Khatri-Rao Product Virtual Array Processing
Junpei Konishi, Suguru Ohashi, Hiroyoshi Yamada (Niigata Univ.), Takashi Maruyama, Michiyo Hiramoto (OKI), Yoshio Yamaguchi (Niigata Univ.) AP2017-29
Recently, indoor location estimation of persons has been attracting attentions for man-location monitoring and home secu... [more] AP2017-29
AP 2016-03-11
Yamanashi Isawa Onsen (Kanpo no Yado) Wired Experimental Verification of Frequency Division Multiplexing Phased Array Antenna by Rotating Element Phase
Tasuku Kuriyama, Takashi Maruyama, Satoshi Yamaguchi, Masataka Otsuka, Hiroaki Miyashita (Mitsubishi Electric) AP2015-219
 [more] AP2015-219
AP 2016-03-11
Yamanashi Isawa Onsen (Kanpo no Yado) 2D Pattern Reconfigurable Array Antenna with Excitation Phase Difference Circuit
Hikaru Watanabe, Takashi Maruyama, Yasuo Morimoto, Akimichi Hirota, Satoshi Yamaguchi, Masataka Otsuka, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2015-221
A method to reduce the cost of a phased array antenna and to suppress grating lobes is well known as phased array antenn... [more] AP2015-221
AP 2015-10-22
Yamaguchi Yamaguchi Pref. Roufukukyo-kaikan A Sparse Array Antenna using 2D Pattern Reconfigurable Antenna
Satoshi Yamaguchi, Naoyuki Yamamoto, Takashi Maruyama, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric Corp.) AP2015-103
 [more] AP2015-103
AP 2015-10-23
Yamaguchi Yamaguchi Pref. Roufukukyo-kaikan Planar Array Antenna with Radiation Pattern Reconfigurable Yagi-Uda Antenna
Takashi Maruyama, Takashi Uesaka, Satoshi Yamaguchi, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric) AP2015-108
We have proposed an array antenna with radiation pattern reconfigurable elements. Though a grating lobe arises due to sp... [more] AP2015-108
AP 2015-04-23
Okinawa Ishigaki City DBF Antenna Using Frequency Division Multiplexing of Each Element Signal by Digital Phase Shifter for Phase Array Antennas Configuration
Tasuku Kuriyama, Takashi Maruyama, Kazunari Kihira, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric Corporation) AP2015-13
 [more] AP2015-13
AP 2014-12-11
Tokyo Kikai-Shinko-Kaikan Bldg. Four-Element Array Antenna Using Pattern Reconfigurable Yagi-Uda Antenna with Complementary Parasitic Elements
Takashi Maruyama, Takashi Uesaka, Satoshi Yamaguchi, Masataka Ohtsuka, Hiroaki Miyashita (Mitsubishi Electric) AP2014-154
Antenna spacing of array antennas are basically determined so as not to yield grating lobe. If element antennas are simp... [more] AP2014-154
AP 2013-08-29
Kanagawa Yokosuka Estimation of Delay Time Difference through Space for Phased Array Antennas with True Time Delay
Takashi Maruyama, Satoshi Yamaguchi, Toru Takahashi, Hiroaki Miyashita (Mitsubishi Electric) AP2013-63
In large aperture and wideband phased array antennas, both phase shifter equipped for each element and true time delay e... [more] AP2013-63
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