Naoko MATSUNAGA


A Wideband Digital Predistorter for a Doherty Power Amplifier Using a Direct Learning Memory Effect Filter
Kenichi HORIGUCHI Naoko MATSUNAGA Kazuhisa YAMAUCHI Ryoji HAYASHI Moriyasu MIYAZAKI Toshio NOJIMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/07/01
Vol. E93-C  No. 7  pp. 975-982
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
predistortionadaptive filtermemory effectpower amplifierDoherty amplifier
 Summary | Full Text:PDF

Novel Two-Dimensional Planar Negative Refractive Index Structure
Naoko MATSUNAGA Atsushi SANADA Hiroshi KUBO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/09/01
Vol. E89-C  No. 9  pp. 1276-1282
Type of Manuscript:  Special Section PAPER (Special Section on Metamaterials for Microwave and Millimeter-Wave Applications)
Category: 
Keyword: 
metamaterialsnegative refractive indicesleft-handed materialsanisotropy
 Summary | Full Text:PDF