2012 - IEEE Fellow For contributions to high-gain and high-efficiency millimeter-wave planar waveguide slot arrays
Jiro Hirokawa mainly investigates Optics, Slot antenna, Antenna, Slotted waveguide and Antenna efficiency. His Optics research includes themes of Antenna array and Post-wall waveguide. His Slot antenna research incorporates elements of Antenna aperture, Dual-polarization interferometry, Coaxial antenna and Dielectric.
He combines subjects such as Antenna measurement and Antenna factor with his study of Coaxial antenna. The various areas that Jiro Hirokawa examines in his Antenna study include Optoelectronics, Grating and Waveguide. His research investigates the connection between Slotted waveguide and topics such as Coupling that intersect with issues in Insertion loss, Method of moments and Waveguide.
His scientific interests lie mostly in Optics, Slot antenna, Antenna, Optoelectronics and Slotted waveguide. His biological study spans a wide range of topics, including Antenna efficiency and Dipole antenna. His research investigates the connection with Slot antenna and areas like Method of moments which intersect with concerns in Waveguide.
His Antenna study combines topics from a wide range of disciplines, such as Waveguide, Reflection and Electronic engineering. Jiro Hirokawa interconnects Extremely high frequency, Diffusion bonding and Post-wall waveguide in the investigation of issues within Optoelectronics. His Slotted waveguide research includes elements of Single layer and Power dividers and directional couplers.
His primary scientific interests are in Optics, Antenna, Extremely high frequency, Bandwidth and Wideband. The Optics study combines topics in areas such as Waveguide, Excitation and Dielectric. Antenna measurement and Slot antenna are among the areas of Antenna where the researcher is concentrating his efforts.
His biological study deals with issues like Coaxial antenna, which deal with fields such as Antenna efficiency. His Bandwidth research integrates issues from Axial ratio, Antenna array and Standing wave ratio. His Plane research focuses on subjects like Radiation, which are linked to Waveguide.
Optics, Antenna, Bandwidth, Extremely high frequency and Antenna array are his primary areas of study. His studies deal with areas such as Slot antenna, Radiation pattern, Beam waveguide antenna and Dielectric as well as Optics. Jiro Hirokawa mostly deals with Antenna measurement in his studies of Antenna.
His Antenna measurement study incorporates themes from Monopole antenna and Antenna rotator. His work carried out in the field of Bandwidth brings together such families of science as Axial ratio, Standing wave ratio, Wideband, Monopulse radar and Excitation. His Antenna array research also works with subjects such as
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Single-layer feed waveguide consisting of posts for plane TEM wave excitation in parallel plates
J. Hirokawa;M. Ando.
IEEE Transactions on Antennas and Propagation (1998)
Double-Layer Full-Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band
Y. Miura;J. Hirokawa;M. Ando;Y. Shibuya.
IEEE Transactions on Antennas and Propagation (2011)
Photonic architecture for beam forming of RF phased array antenna
Shigeyuki Akiba;Masayuki Oishi;Yoshihiro Nishikawa;Kyo Minoguchi.
optical fiber communication conference (2014)
Efficiency of 76-GHz post-wall waveguide-fed parallel-plate slot arrays
J. Hirokawa;M. Ando.
IEEE Transactions on Antennas and Propagation (2000)
Array antenna device and radio communication device
Junji Sato;Jiro Hirokawa;Ryosuke Shiozaki;Miao Zhang.
(2015)
An analysis of a waveguide T junction with an inductive post
J. Hirokawa;K. Sakurai;M. Ando;N. Goto.
IEEE Transactions on Microwave Theory and Techniques (1991)
A slotted post-wall waveguide array with interdigital structure for 45/spl deg/ linear and dual polarization
Sehyun Park;Y. Okajima;J. Hirokawa;M. Ando.
IEEE Transactions on Antennas and Propagation (2005)
Waveguide-fed parallel plate slot array antenna
J. Hirokawa;M. Ando;N. Goto.
IEEE Transactions on Antennas and Propagation (1992)
Alternating phase-fed waveguide slot arrays with a single-layer multiple-way power divider
K. Sakakibara;Y. Kimura;A. Akiyama;J. Hirokawa.
IEE Proceedings - Microwaves, Antennas and Propagation (1997)
A single-layer slotted leaky waveguide array antenna for mobile reception of direct broadcast from satellite
J. Hirokawa;M. Ando;N. Goto;N. Takahashi.
IEEE Transactions on Vehicular Technology (1995)
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