Keyword : frequency transformation


Gramian-Preserving Frequency Transformation for Linear Discrete-Time State-Space Systems
Shunsuke KOSHITA Satoru TANAKA Masahide ABE Masayuki KAWAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/10/01
Vol. E91-A  No. 10 ; pp. 3014-3021
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
discrete-time state-space systemfrequency transformationcontrollability Gramianobservability Gramianallpass functionnormalized lattice structure
 Summary | Full Text:PDF(259.4KB)

A Polyphase Transfer Function Design Based on Frequency Transformation from Prototype LPF
Cosy MUTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2 ; pp. 554-556
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
polyphase filtercomplex filterfrequency transformationZolotarev approximation
 Summary | Full Text:PDF(194.4KB)

Invariance of Second-Order Modes of Linear Continuous-Time Systems under Typical Frequency Transformations
Masayuki KAWAMATA Yousuke MIZUKAMI Shunsuke KOSHITA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/07/01
Vol. E90-A  No. 7 ; pp. 1481-1486
Type of Manuscript:  LETTER
Category: Systems and Control
Keyword: 
continuous-time state-space systemsecond-order mode (Hankel singular value)frequency transformationinvariancecontrollability Gramianobservability Gramian
 Summary | Full Text:PDF(116KB)

Synthesizing Microstrip Dual-Band Bandpass Filters Using Frequency Transformation and Circuit Conversion Technique
Xuehui GUAN Zhewang MA Peng CAI Yoshio KOBAYASHI Tetsuo ANADA Gen HAGIWARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4 ; pp. 495-502
Type of Manuscript:  Special Section PAPER (Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones)
Category: 
Keyword: 
admittance inverterdual-band filterfrequency transformationmicrostrip line
 Summary | Full Text:PDF(622.1KB)

A New Extended Frequency Transformation for Complex Analog Filter Design
Cosy MUTO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/06/25
Vol. E83-A  No. 6 ; pp. 934-940
Type of Manuscript:  Special Section PAPER (Special Section of Papers Selected from 1999 International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC'99))
Category: 
Keyword: 
complex analog filter designimage rejection filtersfrequency transformationimaginary resistancecomplex leapfrog
 Summary | Full Text:PDF(540.9KB)

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)