Atsushi OKAMURA


Separation of Mixtures of Complex Sinusoidal Signals with Independent Component Analysis
Tetsuo KIRIMOTO Takeshi AMISHIMA Atsushi OKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 215-221
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
independent component analysisfourth cumulantcomplex sinusoidal signalsseparation performanceradarcommunication
 Summary | Full Text:PDF(605.2KB)

Feedforward Power Amplifier Control Method Using Weight Divided Adaptive Algorithm
Kenichi HORIGUCHI Atsushi OKAMURA Masatoshi NAKAYAMA Yukio IKEDA Tadashi TAKAGI Osami ISHIDA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2003/08/01
Vol. E86-C  No. 8  pp. 1494-1500
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave and Millimeter Wave Technology)
Category: 
Keyword: 
normalized least mean squareadaptive algorithmfeedforwardpower amplifiermicrowave
 Summary | Full Text:PDF(695KB)

An Algorithm for Improving the Signal to Noise Ratio of Noisy Complex Sinusoidal Signals Using Sum of Higher-Order Statistics
Teruyuki HARA Atsushi OKAMURA Tetsuo KIRIMOTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/09/25
Vol. E81-A  No. 9  pp. 1955-1957
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
higher-order statisticsfourth-order cumulantssignal detectionsignal to noise ratio
 Summary | Full Text:PDF(181.7KB)