Nobuo MURAKOSHI


A Synthesis of Variable Wave Digital Filters
Eiji WATANABE Masato ITO Nobuo MURAKOSHI Akinori NISHIHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/01/25
Vol. E77-A  No. 1  pp. 263-271
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
variable digital filterwave digital filtersdigital filterLC filtersignal processing
 Summary | Full Text:PDF(598.6KB)

A Synthesis of Complex Allpass Circuits Using the Factorization of Scattering Matrices--Explicit Formulae for Even-Order Real Complementary Filters Having Butterworth or Chebyshev Responses--
Nobuo MURAKOSHI Eiji WATANABE Akinori NISHIHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/03/25
Vol. E76-A  No. 3  pp. 317-325
Type of Manuscript:  Special Section PAPER (Special Section on the 5th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
complex allpass circuitscattering matrixfactorizationanalog transfer functioncharacteristic function
 Summary | Full Text:PDF(614.3KB)

A Synthesis of Variable IIR Digital Filters
Nobuo MURAKOSHI Eiji WATANABE Akinori NISHIHARA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/03/25
Vol. E75-A  No. 3  pp. 362-368
Type of Manuscript:  Special Section PAPER (Special Section on the 4th Karuizawa Workshop on Circuits and Systems)
Category: 
Keyword: 
variable filterIIR filtercut-off frequencyfrequency transformationdirect formlattice form
 Summary | Full Text:PDF(448.1KB)