T. Hirano

发表

A 45$^{\circ}$ Linearly Polarized Hollow-Waveguide 16 $\,\times$16-Slot Array Antenna Covering 71–86 GHz Band

M. Ando, J. Hirokawa, T. Tomura, 2014, IEEE Transactions on Antennas and Propagation.

Efficient implementation of frequency-dependent 3D LOD-FDTD method using fundamental scheme

Jun Shibayama, Junji Yamauchi, Hisamatsu Nakano, 2012 .

The Effects of Varying the Location of Antenna Feed Gaps on Mutual Coupling Between Orthogonal Circular Loops

G. Arada, T. Hirano, 2020, 2020 International Conference on Electronics, Information, and Communication (ICEIC).

Method of moments analysis of a waveguide round-ended wide slot by using numerical-eigenmode basis functions

M. Ando, J. Hirokawa, T. Hirano, 2003, 2003 IEEE Topical Conference on Wireless Communication Technology.

Study of a high gain radial line slot antenna in Ka-band for space uses

Makoto Ando, Jiro Hirokawa, Kimio Sakurai, 2013, 2013 International Symposium on Electromagnetic Theory.

An equivalent two-layer model for a fast design of a high gain multi-layer Radial Line Slot Antenna using MoM

M. Ando, J. Hirokawa, K. Sakurai, 2012, 2012 Asia Pacific Microwave Conference Proceedings.

Estimation and measurement of cylindrical wave propagation in parallel plate with honeycomb spacer for the use in mm-wave RLSA

J. Hirokawa, T. Hirano, S. Koreeda, 2012, 2012 Asia Pacific Microwave Conference Proceedings.

A −194.0dBc/Hz FoM CMOS tail-filtering VCO using Helium-3 ion irradiation technique

K. Okada, A. Matsuzawa, Ning Li, 2016, 2016 11th European Microwave Integrated Circuits Conference (EuMIC).

Large-Size Local-Domain Basis Functions with Phase Detour and Fresnel Zone Threshold for Sparse Reaction Matrix in the Method of Moments

Makoto Ando, Takuichi Hirano, Tetsu Shijo, 2005, IEICE Trans. Electron..

High frequency locality embodied in terms of Fresnel zone number for matrix size reduction in method of moments

M. Ando, J. Hirokawa, T. Hirano, 2011, 2011 International Conference on Electromagnetics in Advanced Applications.

Large-size local-domain basis function to embody the locality of high frequency diffraction in the Method of Moments

M. Ando, T. Hirano, T. Shijo, 2006, 2006 First European Conference on Antennas and Propagation.

Large-size local-domain basis functions with phase detour from a source to make a matrix sparse in the method of moments

M. Ando, T. Hirano, T. Shijo, 2005, 2005 IEEE Antennas and Propagation Society International Symposium.

A Radial Line Slot Antenna Fed by a Rectangular Waveguide through a Crossed Slot

Makoto Ando, Jiro Hirokawa, Takuichi Hirano, 2003 .

A 60-GHz CMOS Transmitter with Gain-Enhanced On-Chip Antenna for Short-Range Wireless Interconnections

Kenichi Okada, Ning Li, Akira Matsuzawa, 2015, IEICE Trans. Electron..

Electromagnetic Simulation of CMOS On-Chip Spiral Inductors in 5 GHz band

K. Okada, Ning Li, T. Hirano, 2019, 2019 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting.

Gain measurement of 60 GHz CMOS on-chip dipole antenna by proton irradiation

K. Okada, A. Matsuzawa, T. Hirano, 2017, 2017 International Symposium on Antennas and Propagation (ISAP).

Design of 60 GHz CMOS on-chip dipole antenna with 50 % radiation efficiency by helium-3 ion irradiation

M. Ando, J. Hirokawa, K. Okada, 2015, 2015 IEEE Conference on Antenna Measurements & Applications (CAMA).

Measurement technique for electromagnetic field intensity distribution using infrared 2-D lock-in amplifier

T. Maeno, A. Nishikata, Yasuhiro Tanaka, 2010, 2010 Annual Report Conference on Electrical Insulation and Dielectic Phenomena.

Localization of Rain and Its Effect on Propagation in Tokyo Tech Millimeter-wave Model Network

M. Ando, J. Hirokawa, T. Hirano, 2011 .

Electromagnetic Modeling of Skin and Fat for Design of Body Diagnostic Antennas

Makoto Ando, Takamaro Kikkawa, Jiro Hirokawa, 2015 .

2-D MoM Analysis of the Choke Structure for Isolation Improvement between Two Waveguide Slot Array Antennas

M. Ando, J. Hirokawa, T. Hirano, 2007, 2007 Asia-Pacific Microwave Conference.

Analysis of Effective Material Properties of Metal Dummy Fills in a CMOS Chip

Kenichi Okada, Ning Li, Ning Li, 2017, IEICE transactions on communications.

Electromagnetic Simulation Modeling of CMOS Chip in Millimeter-Wave Band

Takuichi Hirano, T. Hirano, 2019, 2019 IEEE International Symposium on Circuits and Systems (ISCAS).

Electromagnetic simulation modeling of silicon substrate for 60 GHz on-chip differential-feed dipole antenna

Kenichi Okada, Makoto Ando, Jiro Hirokawa, 2013 .

Electromagnetic analysis of effective anisotropic material parameters for metal dummies in a CMOS chip

J. Hirokawa, K. Okada, T. Hirano, 2012, Proceedings of the 2012 IEEE International Symposium on Antennas and Propagation.

Eigenmode Analysis of Propagation Constant for a Microstrip Line with Dummy Fills on a Si CMOS Substrate

Kenichi Okada, Makoto Ando, Jiro Hirokawa, 2011, IEICE Trans. Electron..

Dual-Layer Proton Irradiation for Creating Thermally-Stable High-Resistivity Region in Si CMOS Substrate

Kenichi Okada, Hans Herdian, Atsushi Shirane, 2021, ESSDERC 2021 - IEEE 51st European Solid-State Device Research Conference (ESSDERC).

High- $Q$ Inductors on Locally Semi-Insulated Si Substrate by Helium-3 Bombardment for RF CMOS Integrated Circuits

Kenichi Okada, Akira Matsuzawa, Ning Li, 2014, IEEE Transactions on Electron Devices.

Rain Sensing Using Dual-Frequency Measurements from Small-Scale Millimeter-Wave Network

Toru Taniguchi, Makoto Ando, Jiro Hirokawa, 2015, IEICE Trans. Commun..

Alternating-phase fed single-layer slotted waveguide arrays with chokes dispensing with narrow wall contacts

J. Hirokawa, Y. Kimura, T. Hirano, 2000, Proceedings 2000 IEEE International Conference on Phased Array Systems and Technology (Cat. No.00TH8510).

60 GHz on-chip patch antenna integrated in a 0.18-μm CMOS technology

J. Hirokawa, M. Ando, T. Hirano, 2012, 2012 International Symposium on Antennas and Propagation (ISAP).