Nagayoshi MORITA

Comparative Study of Radiation from Various Microstrip-Type MIC Elements Based on the FDTD Method and the Radiation Mode Theory
Nagayoshi MORITA Katsuhito OHNO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/08/01
Vol. E88-C  No. 8  pp. 1779-1784
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
MIC passive elements, radiation characteristics, FDTD method, radiation mode theory, 
 Summary | Full Text:PDF(359.9KB)
Analysis Method and Simulation Tool for Multilayer MMIC Elements
Nagayoshi MORITA Katsuhito OHNO Hiroyuki FUKUSHIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1480-1485
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
MMIC passive elements, multilayer structure, electromagnetic simulator, FD-TD, radiation modes, 
 Summary | Full Text:PDF(405.6KB)
Development of an Analysis Method and Its Simulation Tool for Microstrip-Type Microwave Integrated Circuit Elements
Nagayoshi MORITA Yutaka YOSHIOKA Norihiro HOSOYA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/07/01
Vol. E84-C  No. 7  pp. 898-904
Type of Manuscript:  Special Section PAPER (Special Issue on Techniques for Constructing Microwave Simulators--Design and Analysis Tools for Electromagnetic Fields, Circuits, and Antennas--)
Category: Electromagnetics Simulation Techniques
Keyword: 
MIC passive elements, FDTD, simulation tool, microstrip line, 
 Summary | Full Text:PDF(4.3MB)
Application of a Parasitic Loop on Loosely Wound Short-Arm Spiral Antennas
Yasuhiro KAZAMA Nagayoshi MORITA Shinobu TOKUMARU 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/11/25
Vol. E81-B  No. 11  pp. 2205-2211
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
loosely wound short-arm two-wire archimedean spiral antenna, axial ratio, power gain, current distribution, 
 Summary | Full Text:PDF(559.8KB)
A New Formulation for Radiated Fields Using Radiation Mode Expansions and Its Application to Radiation from Microstrip Antennas
Nagayoshi MORITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1994/11/25
Vol. E77-C  No. 11  pp. 1795-1801
Type of Manuscript:  Special Section PAPER (Special Issue on Electromagnetic Theory)
Category: 
Keyword: 
microstrip antennas, radiation, radiation modes, radiation mode expansion, FD-TD, 
 Summary | Full Text:PDF(469.2KB)
Fields in Circular Bends of Slab Waveguides
Nagayoshi MORITA Ikuo YAMASHITA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1991/05/25
Vol. E74-C  No. 5  pp. 1251-1255
Type of Manuscript:  Special Section PAPER (Special Issue on the 3rd Asia-Pacific Microwave Conference)
Category: Transmission Lines and Waveguides
Keyword: 
 Summary | Full Text:PDF(338.7KB)