Masao KODAMA


Rigorous Analysis of Fields in Junctions between Straight and Curved Rectangular Waveguides
Mohd Abdur RASHID Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/11/01
Vol. E85-C  No. 11  pp. 1922-1931
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
waveguide bendcharacteristic modejunctionreflection coefficientcylindrical function of complex order
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Improvements in Solution of Integral Eigenvalue Equations for Waveguides of Arbitrary Cross Section
Nguyen Hoang HAI Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/05/01
Vol. E85-C  No. 5  pp. 1156-1163
Type of Manuscript:  PAPER
Category: Optoelectronics
Keyword: 
waveguide of arbitrary cross sectioncutoff frequencymodal fieldmoment methodintegral equation
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The Finite Difference Time Domain Method for Sinusoidal Electromagnetic Fields
Md. Osman GONI Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/03/01
Vol. E85-C  No. 3  pp. 823-830
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
finite difference time domain (FDTD) methodsinusoidal fieldsurface impedanceQ-factor of resonator
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Numerical Calculation of Cylindrical Functions in the Transitional Regions Using Asymptotic Series
Mohd Abdur RASHID Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2001/09/01
Vol. E84-A  No. 9  pp. 2303-2310
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
cylindrical functionasymptotic seriesnumerical calculationtransitional region
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Numerical Calculation of Cylindrical Functions of Complex Order Using Debye's Asymptotic Series
Mohd Abdur RASHID Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2000/12/25
Vol. E83-A  No. 12  pp. 2664-2671
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
numerical calculationcylindrical functionDebye's asymptotic series
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Numerical Calculation of Bessel Functions by Solving Differential Equations and Its Application
Mohd ABDUR RASHID Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1999/10/25
Vol. E82-A  No. 10  pp. 2298-2301
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
numerical methodrecurrence methodBessel functionaccuracy
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A Uniform Asymptotic Expression for the Function Arising in the Wedge Scattering Problem
Masao KODAMA Hideomi TAKAHASHI Kengo TAIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1997/06/25
Vol. E80-C  No. 6  pp. 831-833
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
wedgescatteringelectromagnetic wavecomplex integralsaddle point method
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Error Analysis of Df{JN+ε(x)} Calculated by the Recurrence Method
Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/06/25
Vol. E80-A  No. 6  pp. 1157-1159
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
Neumann functionrecurrence methodnumerical calculationerror analysis
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Polynomials Approximating Complex Functions
Masao KODAMA Kengo TAIRA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/04/25
Vol. E80-A  No. 4  pp. 778-781
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
polynomial approximationTaylor series expansionCauchy's theoremerror analysiscomplex function
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Error Estimations of Cylindrical Functions Calculated with Hankel's Asymptotic Expansions
Masao KODAMA Hideomi TAKAHASHI Kengo TAIRA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1997/01/25
Vol. E80-A  No. 1  pp. 238-241
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
cylindrical functionHankel's asymptotic expansionnumerical calculationerror analysis
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New Algorithm on the Recurrence Method for Numerial Calculation of Bessel Function of Complex Order
Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1996/04/25
Vol. E79-A  No. 4  pp. 621-623
Type of Manuscript:  LETTER
Category: Numerical Analysis and Optimization
Keyword: 
Bessel functionrecurrence methodnumerical calculation
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Near Fields Radiated from a Long Slot on a Circular Conducting Cylinder
Masao KODAMA Kengo TAIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1996/02/25
Vol. E79-C  No. 2  pp. 249-251
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
electromagnetic fieldnear fieldlong slotcircular conducting cylinder
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Numerical Calculation of the Neumann Function Nν(x) of Complex Order ν
Masao KODAMA Masayuki YAMASATO Shinya YAMASHIRO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/06/25
Vol. E78-A  No. 6  pp. 727-736
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
Neumann functioncomplex ordernumerical calculation
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Numerical Calculation of the Bessel Function of Complex Order Using the Recurrence Method
Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/04/25
Vol. E78-A  No. 4  pp. 506-516
Type of Manuscript:  PAPER
Category: Numerical Analysis and Optimization
Keyword: 
Bessel functionrecurrence methodnumerical calculationerror analysis
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Frequency Characteristics of the Radiation Boundary Condition in Finite-Difference Time-Domain Method and Its Improvement
Masao KODAMA Mitsuru KUNINAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1994/01/25
Vol. E77-B  No. 1  pp. 81-85
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
finite-difference time-domain methodone-way wave equationradiation boundary condition
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On Precision of Solutions by Finite-Difference Time-Domain Method of Different Mesh Spacings
Masao KODAMA Mitsuru KUNINAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1993/03/25
Vol. E76-B  No. 3  pp. 315-317
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
precisionfinite-difference time-domain methodelectromagnetic fieldoptimum mesh spacing
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An Improvement of the Equivalent Source Method for the Analysis of Scattering of a Plane Wave by a Conducting Cylinder with Edges
Masao KODAMA Kengo TAIRA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/09/25
Vol. E75-C  No. 9  pp. 1088-1092
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
equivalent source methodscatteringconducting cylinderelectromagnetic field
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Telegraphist's Equations of an E-Plane Taper of a Rectangular Waveguide
Masao KODAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/08/25
Vol. E75-C  No. 8  pp. 957-959
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
telegraphist's equationE-plane taperrectangular waveguide
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Numerical Analysis on the Scattering from Echelette Gratings by a Region Dividing Method
Masao KODAMA Norimasa KIKUYAMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/06/25
Vol. E72-E  No. 6  pp. 727-735
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
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Numerical Analysis on Characteristics of Resonance Windows in Rectangular Waveguides by the Variational Method
Masao KODAMA Hideki UECHI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/05/25
Vol. E70-E  No. 5  pp. 484-493
Type of Manuscript:  PAPER
Category: Microwaves
Keyword: 
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Telegraph Equations in Tapered Waveguides
Tadao INAMI Masao KODAMA Kengo TAIRA Norimasa KIKUYAMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1984/02/25
Vol. E67-E  No. 2  pp. 121-122
Type of Manuscript:  LETTER
Category: Microwaves and Millimeter Waves
Keyword: 
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