Shunsuke KOSHITA


High-Accuracy and Area-Efficient Stochastic FIR Digital Filters Based on Hybrid Computation
Shunsuke KOSHITA Naoya ONIZAWA Masahide ABE Takahiro HANYU Masayuki KAWAMATA 
Publication:   
Publication Date: 2017/08/01
Vol. E100-D  No. 8  pp. 1592-1602
Type of Manuscript:  Special Section PAPER (Special Section on Multiple-Valued Logic and VLSI Computing)
Category: VLSI Architecture
Keyword: 
FIR digital filterstochastic computationcomputational accuracydigital circuit implementation
 Summary | Full Text:PDF(1.3MB)

Correct Formulation of Gradient Characteristics for Adaptive Notch Filters Based on Monotonically Increasing Gradient Algorithm
Shunsuke KOSHITA Hiroyuki MUNAKATA Masahide ABE Masayuki KAWAMATA 
Publication:   
Publication Date: 2017/07/01
Vol. E100-A  No. 7  pp. 1557-1561
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
adaptive notch filterMIG algorithmgradient characteristicmonotonically increasing
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A Simple and Explicit Formulation of Non-Unique Wiener Filters for Linear Predictor with Rank-Deficient Autocorrelation Matrix
Shunsuke KOSHITA Masahide ABE Masayuki KAWAMATA Takaaki OHNARI Tomoyuki KAWASAKI Shogo MIURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2016/08/01
Vol. E99-A  No. 8  pp. 1614-1617
Type of Manuscript:  LETTER
Category: Digital Signal Processing
Keyword: 
Wiener filterlinear predictornoise-free inputrank-deficient input autocorrelation matrix
 Summary | Full Text:PDF(77.3KB)

A New Adaptive Notch Filtering Algorithm Based on Normalized Lattice Structure with Improved Mean Update Term
Shinichiro NAKAMURA Shunsuke KOSHITA Masahide ABE Masayuki KAWAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/07/01
Vol. E98-A  No. 7  pp. 1482-1493
Type of Manuscript:  PAPER
Category: Digital Signal Processing
Keyword: 
adaptive notch filteraffine combinationmean update termnormalized lattice structuresimplified lattice algorithm
 Summary | Full Text:PDF(2.3MB)

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
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Analysis of Second-Order Modes of Linear Continuous-Time Systems under Positive-Real Transformations
Shunsuke KOSHITA Yousuke MIZUKAMI Taketo KONNO Masahide ABE Masayuki KAWAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2008/02/01
Vol. E91-A  No. 2  pp. 575-583
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
linear continuous-time systemsecond-order mode (Hankel singular value)lossless positive-real transformationgeneral positive-real transformationcontrollability Gramianobservability Gramian
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Analysis of Second-Order Modes of Linear Discrete-Time Systems under Bounded-Real Transformations
Shunsuke KOSHITA Masahide ABE Masayuki KAWAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/11/01
Vol. E90-A  No. 11  pp. 2510-2515
Type of Manuscript:  PAPER
Category: Systems and Control
Keyword: 
discrete-time state-space systemsecond-order mode (Hankel singular value)bounded-real transformationcontrollability Gramianobservability Gramiandiscrete-time bounded-real lemma
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State-Space Analysis of Power Complementary Filters
Shunsuke KOSHITA Masahide ABE Masayuki KAWAMATA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/10/01
Vol. E90-A  No. 10  pp. 2265-2271
Type of Manuscript:  PAPER
Category: Analog Signal Processing
Keyword: 
state-space representationpower complementarycontrollability Gramianobservability Gramianbounded-real Riccati equation
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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)