Takehiro MORI


Boundary Implications for Stability Analysis of a Class of Uncertain Linear Time-Delay Systems by the Lambert W Function
Hiroshi SHINOZAKI  Takehiro MORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2009/12/01
Vol. E92-A  No. 12  pp. 3376-3380
Type of Manuscript: PAPER
Category: Systems and Control
Keyword: 
boundary implicationsdelay systemsLambert W functionuncertain systems
  Summary |  Full Text:PDF (190.9KB)

Multichannel Linear Prediction Method Compliant with the MPEG-4 ALS
Yutaka KAMAMOTO  Noboru HARADA  Takehiro MORIYA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/03/01
Vol. E91-A  No. 3  pp. 756-762
Type of Manuscript: Special Section PAPER (Special Section on Signal Processing for Audio and Visual Systems and Its Implementations)
Category: Audio Coding
Keyword: 
linear predictive codingmultichannel signallossless compression and MPEG-4 ALS
  Summary |  Full Text:PDF (398.5KB)

Relaxed Monotonic Conditions for Schur Stability of Real Polynomials
Thang V. NGUYEN  Yoshihiro MORI  Takehiro MORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10  pp. 2326-2328
Type of Manuscript: LETTER
Category: Systems and Control
Keyword: 
monotonic conditionSchur stabilityreal polynomialsufficient conditionJury stability test
  Summary |  Full Text:PDF (67.9KB)

Relations between Common Lyapunov Functions of Quadratic and Infinity-Norm Forms for a Set of Discrete-Time LTI Systems
Thang Viet NGUYEN  Takehiro MORI  Yoshihiro MORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/06/01
Vol. E89-A  No. 6  pp. 1794-1798
Type of Manuscript: PAPER
Category: Systems and Control
Keyword: 
common quadratic Lyapunov functioncommon infinity-norm Lyapunov functionrobust stabilityset relationsexistence conditionsdiscrete-time systems
  Summary |  Full Text:PDF (181.4KB)

An Adaptive Control Design for ABR Service in ATM Networks
Thang Viet NGUYEN  Takehiro MORI  Yoshihiro MORI  Yasuaki KUROE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/07/01
Vol. E88-B  No. 7  pp. 2896-2907
Type of Manuscript: PAPER
Category: Network Management/Operation
Keyword: 
asynchronous transfer mode (ATM)available bit rate (ABR)congestion controladaptive controlunknown time-varying delaysqueue control
  Summary |  Full Text:PDF (684.7KB)

Lossless Scalable Audio Coding and Quality Enhancement
Takehiro MORIYA  Akio JIN  Takeshi MORI  Kazunaga IKEDA  Takao KANEKO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/03/01
Vol. E86-D  No. 3  pp. 425-429
Type of Manuscript: Special Section PAPER (Special Issue on Speech Information Processing)
Category: Speech and Audio Coding
Keyword: 
losslessaudio codingscalableMPEG-4
  Summary |  Full Text:PDF (374.5KB)

Effects of a Parasitic Wire on Coupling between Two Slot Antennas
Takehiro MORIOKA  Koji KOMIYAMA  Kazuhiro HIRASAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/09/01
Vol. E84-B  No. 9  pp. 2597-2603
Type of Manuscript: Special Section PAPER (Special Issue on Innovation in Antennas and Propagation for Expanding Radio Systems)
Category: EMC
Keyword: 
coupling coefficientparasitic wireslot antennaground plane
  Summary |  Full Text:PDF (1.1MB)

A Remote Auscultation Support System Using Network
Takao KANEKO  Takehiro MORIYA  Naoki IWAKAMI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2001/08/01
Vol. E84-D  No. 8  pp. 1102-1111
Type of Manuscript: PAPER
Category: Medical Engineering
Keyword: 
network telemedicineremote auscultationbreath soundheart sound
  Summary |  Full Text:PDF (1.5MB)

Single-Parameter Characterizations of Schur Stability Property
Takehiro MORI  Hideki KOKAME 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/08/01
Vol. E84-A  No. 8  pp. 2061-2064
Type of Manuscript: LETTER
Category: Systems and Control
Keyword: 
Schur polynomialSchur matrixcharacterizationsrobustnessfree parameter
  Summary |  Full Text:PDF (136.7KB)

Comparison of Two Speech and Audio Coders at 8 kb/s from the Viewpoints of Coding Scheme and Quality
Nobuhiko KITAWAKI  Takehiro MORIYA  Takao KANEKO  Naoki IWAKAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/11/20
Vol. E81-B  No. 11  pp. 2007-2012
Type of Manuscript: Special Section PAPER (Special Issue on Performance and Quality of Service (QoS) of Multimedia Networks)
Category: Media Management
Keyword: 
TwinVQCS-ACELPG. 729coding qualityInternet
  Summary |  Full Text:PDF (542.3KB)

Stability Margin Estimation for Real Schur Polynomials via Established Stability Tests
Takehiro MORI  Hideki KOKAME 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1998/06/20
Vol. E81-A  No. 6  pp. 1301-1304
Type of Manuscript: LETTER
Category: Systems and Control
Keyword: 
Schur stabilitystability marginestimationreal polynomials
  Summary |  Full Text:PDF (269.9KB)

An Extension of a Class of Systems That Have a Common Lyapunov Function
Takehiro MORI  Hideki KOKAME 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/08/20
Vol. E80-A  No. 8  pp. 1522-1524
Type of Manuscript: LETTER
Category: Systems and Control
Keyword: 
system matrixcommon Lyapunov functionquadratic Lyapunov functionextension
  Summary |  Full Text:PDF (220.7KB)

Reduction of Coupling between Two Wire Antennas Using a Slot
Takehiro MORIOKA  Kazuhiro HIRASAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/05/20
Vol. E80-B  No. 5  pp. 699-705
Type of Manuscript: Special Section PAPER (Special Issue on EMC/EMI Problems in Microwave Frequency Range)
Category: 
Keyword: 
coupling coefficienttransmission coefficientloaded slot
  Summary |  Full Text:PDF (455.6KB)

Improved CELP-Based Coding in a Noisy Environment Using a Trained Sparse Conjugate Codebook
Akitoshi KATAOKA  Sachiko KURIHARA  Shinji HAYASHI  Takehiro MORIYA 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 1996/02/20
Vol. E79-D  No. 2  pp. 123-129
Type of Manuscript: PAPER
Category: Speech Processing and Acoustics
Keyword: 
CELP codingconjugae fixed codebooktrained sparse codebookspeech quality in a noisy environment
  Summary |  Full Text:PDF (628.5KB)

Stability Criteria for Interval Matrices via Regularity Conditions
Takehiro MORI  Hideki KOKAME 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/05/20
Vol. E78-A  No. 5  pp. 553-555
Type of Manuscript: Special Section LETTER (Special Section of Letters Selected from the 1994 IEICE Fall Conference)
Category: 
Keyword: 
interval matricesHurwitz stabilitySchur stabilityregularity
  Summary |  Full Text:PDF (210.6KB)

Eigenvalue Bounds for a Certain Class of Interval Matrices
Takehiro MORI  Hideki KOKAME 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/10/20
Vol. E77-A  No. 10  pp. 1707-1709
Type of Manuscript: LETTER
Category: Control and Computing
Keyword: 
interval matriceseigenvalue boundsreal eigenvaluesHurwitz stabilitySchur stabilitypositive definiteness
  Summary |  Full Text:PDF (191.8KB)

Recovered Bounds for the Solution to the Discrete Lyapunov Matrix Equation
Takehiro MORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1994/03/20
Vol. E77-A  No. 3  pp. 571-572
Type of Manuscript: LETTER
Category: Control and Computing
Keyword: 
discrete Lyapunovmatrix equationlower bounds
  Summary |  Full Text:PDF (141.3KB)

Single-Shot Evaluation of Stability Hypercube and Hyperball in Polynomial Coefficient Space
Takehiro MORI  Hideki KOKAME 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/11/20
Vol. E76-A  No. 11  pp. 2036-2038
Type of Manuscript: LETTER
Category: Control and Computing
Keyword: 
stabiliby robustness measurecoefficient spacelower bound
  Summary |  Full Text:PDF (220.5KB)

Pitch Synchronous Innovation CELP (PSI-CELP)
Takehiro MORIYA  Satoshi MIKI  Kazunori MANO  Hitoshi OHMURO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/20
Vol. E76-A  No. 7  pp. 1177-1180
Type of Manuscript: Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Spring Conference)
Category: 
Keyword: 
speech codingCELPpitch-synchronous-innovationcellular radio
  Summary |  Full Text:PDF (231.8KB)

Coding of LSP Parameters Using Interframe Moving Average Prediction and Multi-Stage Vector Quantization
Hitoshi OHMURO  Takehiro MORIYA  Kazunori MANO  Satoshi MIKI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1993/07/20
Vol. E76-A  No. 7  pp. 1181-1183
Type of Manuscript: Special Section LETTER (Special Section of Letters Selected from the 1993 IEICE Spring Conference)
Category: 
Keyword: 
speech codingLSPvector quantizationCELPinterframe correlationmobile telephonecellular radio
  Summary |  Full Text:PDF (236.3KB)

Delta Domain Lyapunov Matrix Equation--A Link between Continuous and Discrete Equations--
Takehiro MORI  Inge TROCH 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1992/03/20
Vol. E75-A  No. 3  pp. 451-454
Type of Manuscript: LETTER
Category: Control and Computing
Keyword: 
digital control systemsLyapunov matrix equationdelta operatordiscrete equationscontinuous equations
  Summary |  Full Text:PDF (206.7KB)

Alternate Approach to the Stability of Linear Combinations of Polynomials
Norio FUKUMA  Takehiro MORI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1991/07/20
Vol. E74-A  No. 7  pp. 1911-1914
Type of Manuscript: PAPER
Category: Control and Computing
Keyword: 
  Summary |  Full Text:PDF (287.8KB)