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IEICE Trans

Naofumi YONEDA

Design and Fabrication of a Metasurface for Bandwidth Enhancement of RCS Reduction Based on Scattering Cancellation
Hiroshi SUENOBU Shin-ichi YAMAMOTO Michio TAKIKAWA Naofumi YONEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2024/04/01
Vol. E107-C  No. 4  pp. 91-97
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
radar cross section (RCS), metasurface, scattering cancelletion, periodic structure, equivalent circuit design, 
 Summary | Full Text:PDF
Uniaxially Symmetrical T-Junction OMT with 45° -Tilted Branch Waveguide Ports
Hidenori YUKAWA Yu USHIJIMA Toru TAKAHASHI Toru FUKASAWA Yoshio INASAWA Naofumi YONEDA Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2024/03/01
Vol. E107-C  No. 3  pp. 57-65
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
linear polarizations, waveguide components, T-junction, OMT, 3D printing, 
 Summary | Full Text:PDF
Radial Line Planar Phased Array Using Electromechanically Rotated Helical Antennas
Narihiro NAKAMOTO Yusuke SUZUKI Satoshi YAMAGUCHI Toru FUKASAWA Naofumi YONEDA Hiroaki MIYASHITA Naoki SHINOHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2023/02/01
Vol. E106-B  No. 2  pp. 174-183
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antenna array, helical antenna, phased array, radial line, 
 Summary | Full Text:PDF
Design of the Circularly Polarized Ring Microstrip Antenna with Shorting Pins
Jun GOTO Akimichi HIROTA Kyosuke MOCHIZUKI Satoshi YAMAGUCHI Kazunari KIHIRA Toru TAKAHASHI Hideo SUMIYOSHI Masataka OTSUKA Naofumi YONEDA Jiro HIROKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2022/01/01
Vol. E105-B  No. 1  pp. 34-43
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
array antenna, dual band, ring microstrip antenna, shorting pin, 
 Summary | Full Text:PDF
Design of the Traveling-Wave Series-Fed Microstrip Antenna Array with Power Control Slits of Unequal Inter-Element Spacing
Jun GOTO Makoto MATSUKI Takashi MARUYAMA Toru FUKASAWA Naofumi YONEDA Jiro HIROKAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2021/06/01
Vol. E104-B  No. 6  pp. 624-629
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
array antenna, microstrip, series-fed, traveling-wave, 
 Summary | Full Text:PDF
A Suspended Stripline Fed Dual-Polarized Open-Ended Waveguide Subarray with Metal Posts for Phased Array Antennas
Narihiro NAKAMOTO Toru TAKAHASHI Toru FUKASAWA Naofumi YONEDA Hiroaki MIYASHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2021/03/01
Vol. E104-B  No. 3  pp. 295-303
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
antenna array, dual-polarization, open ended waveguide, phased array, suspended stripline, 
 Summary | Full Text:PDF
180-Degree Branch Line Coupler Composed of Two Types of Iris-Loaded Waveguides
Hidenori YUKAWA Yu USHIJIMA Naofumi YONEDA Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2021/02/01
Vol. E104-C  No. 2  pp. 85-92
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
waveguide, branch line, coupler, iris-loaded, phase shifter, 
 Summary | Full Text:PDF
S-Parameter Analysis for Balanced and Unbalanced Modes Corresponding Dissipated Power of a Small Antenna
Takashi YANAGI Yasuhiro NISHIOKA Toru FUKASAWA Naofumi YONEDA Hiroaki MIYASHITA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2020/07/01
Vol. E103-B  No. 7  pp. 780-786
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
balanced mode, unbalanced mode, S-parameter, self-balancing, measurement, 
 Summary | Full Text:PDF
Metal 3D-Printed T-Junction Ortho-Mode-Transducer with an Offset Stepped Post
Hidenori YUKAWA Yu USHIJIMA Motomi ABE Takeshi OSHIMA Naofumi YONEDA Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2019/01/01
Vol. E102-C  No. 1  pp. 56-63
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
waveguide, antenna feed, ortho-mode-transducer, 3D-printer, 
 Summary | Full Text:PDF
Ka-Band Branch Line Coupler Applied Hexagonal Waveguide Suitable for Additive Manufacturing
Motomi ABE Hidenori YUKAWA Yu USHIJIMA Takuma NISHIMURA Takeshi OSHIMA Takeshi YUASA Naofumi YONEDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2018/10/01
Vol. E101-C  No. 10  pp. 805-814
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
3D printer, additive manufacturing, direct metal laser sintering, hexagonal waveguide, branch line coupler, 
 Summary | Full Text:PDF
Accuracy Improvement of Characteristic Basis Function Method by Using Multilevel Approach
Tai TANAKA Yoshio INASAWA Naofumi YONEDA Hiroaki MIYASHITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2018/02/01
Vol. E101-C  No. 2  pp. 96-103
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
characteristic basis function method (CBFM), method of moments (MoM), radar cross section (RCS), singular value decomposition (SVD), 
 Summary | Full Text:PDF
A Novel Directional Coupler Loaded with Feedback Capacitances and Its Applications
Motomi ABE Yukihiro TAHARA Tetsu OWADA Naofumi YONEDA Hiroaki MIYASHITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/01/01
Vol. E99-C  No. 1  pp. 85-94
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
feedback capacitance, coupled lines, tandem 3-dB coupler, stubs, rectangular coaxial line, 8×8 HYB matrix, 
 Summary | Full Text:PDF
A PCB Integrated Multi-layered Strip Line Tandem Coupler Using Compensating Ground Through-Hole Elements
Takeshi YUASA Yukihiro TAHARA Tetsu OWADA Naofumi YONEDA Yoshihiko KONISHI Moriyasu MIYAZAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2014/10/01
Vol. E97-C  No. 10  pp. 1014-1020
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
printed circuit board, multi-layered substrate, coupled line, ground through-hole, compensating element, 
 Summary | Full Text:PDF
A Millimeter-Wave Resistance Error Tolerant Termination in Multi-Layered LTCC Substrate
Takeshi YUASA Yukihiro TAHARA Naofumi YONEDA Hideyuki OH-HASHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/03/01
Vol. E94-C  No. 3  pp. 321-326
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
multi-layered substrate, LTCC, termination, resistive film, manufacturing error, resistance error, 
 Summary | Full Text:PDF
A Waveguide-Based Power Divider Using H-Plane Probes Short-Circuited with Substrate Metallization Patterns
Motomi ABE Yukihiro TAHARA Hideyuki OH-HASHI Naofumi YONEDA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/09/01
Vol. E92-C  No. 9  pp. 1144-1149
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies and Their Applications)
Category: 
Keyword: 
power divider, coaxial-to-waveguide transition, waveguide, substrate, coaxial probe, 
 Summary | Full Text:PDF
An Elliptic-Function Bandpass Filter Utilizing Left-Handed Operations of an Inter-Digital Coupled Line
Hiromitsu UCHIDA Naofumi YONEDA Yoshihiko KONISHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/11/01
Vol. E91-C  No. 11  pp. 1772-1777
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-wave Technologies)
Category: 
Keyword: 
bandpass filter, inter-digital coupled-line, left-handed operations, negative coupling, attenuation pole, 
 Summary | Full Text:PDF
Near-Field to Far-Field Transformation for an Outdoor RCS Range
Yoshio INASAWA Shinji KURODA Ken-ichi KAKIZAKI Hitoshi NISHIKAWA Naofumi YONEDA Shigeru MAKINO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/09/01
Vol. E91-C  No. 9  pp. 1463-1471
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
radar cross section, near-field measurement, ground bounce, RCS prediction, near-field to far-field transformation, 
 Summary | Full Text:PDF