Hajime IGARASHI


Development of Small Dielectric Lens for Slot Antenna Using Topology Optimization with Normalized Gaussian Network
Keiichi ITOH Haruka NAKAJIMA Hideaki MATSUDA Masaki TANAKA Hajime IGARASHI 
Publication:   
Publication Date: 2018/10/01
Vol. E101-C  No. 10  pp. 784-790
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
topology optimizationnormalized Gaussian networksmicro genetic algorithmFDTD method
 Summary | Full Text:PDF(1.4MB)

A Finite Element Method for Scalar Helmholtz Equation with Field Singularities
Hajime IGARASHI Toshihisa HONMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/01/25
Vol. E79-C  No. 1  pp. 131-138
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
funite element methodHelmholtz equationfield singularitywaveguide
 Summary | Full Text:PDF(620.9KB)