The proceedings contain 153 papers from the ICCEA 2004 - 2004 3rd international conference on computational electromagnetics and its applications. The topics discussed include: unconditionally stable finite-difference...
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ISBN:
(纸本)0780385624
The proceedings contain 153 papers from the ICCEA 2004 - 2004 3rd international conference on computational electromagnetics and its applications. The topics discussed include: unconditionally stable finite-difference time-domain methods and their applications;a new analysis of electromagnetic scattering from two-dimensional electromagnetic band-gap structures;condition numbers for higher order vector FEM matrices;effects of shield on railgun inductance gradient;a novel method for designing slotted coaxial antennas to achieve uniform coupling loss;a modified exact maximum likelihood registration algorithm;and on the complexity and accuracy of MLFMA for 3D electromagnetic scattering.
The following topics are dealt with: analytical techniques; low-frequency numerical techniques; fast multipole techniques; wavelet and hybrid techniques; genetic algorithms; antennas and arrays; EMI/EMC; communication...
The following topics are dealt with: analytical techniques; low-frequency numerical techniques; fast multipole techniques; wavelet and hybrid techniques; genetic algorithms; antennas and arrays; EMI/EMC; communications systems; target identification; scattering and imaging; bio-electromagnetics; waves in complex media; microwave, millimetre-wave, and remote sensing; and computer software techniques
In this paper the algorithm of adaptive population disappear is expounded and its character is discus sed, based on the analysis of the reason for the premature convergence causing in Genetic Algorithm, and, it is enl...
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ISBN:
(纸本)0780385624
In this paper the algorithm of adaptive population disappear is expounded and its character is discus sed, based on the analysis of the reason for the premature convergence causing in Genetic Algorithm, and, it is enlightened by the phenomenon of mutation and disaster in the biology evolution procession. Emulation proved that this algorithm can improve the population's distribution and enhance the ability of the integer convergence.
Frequency domains methods have been the workhorse of electromagnetic computations since the early 1980s. This presentation will provide an overview of frequency domain developments, with particular focus on hybrid for...
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ISBN:
(纸本)0780385624
Frequency domains methods have been the workhorse of electromagnetic computations since the early 1980s. This presentation will provide an overview of frequency domain developments, with particular focus on hybrid formulations and fast methods and their integration with formal design methodologies for antenna applications.
Registration problem is a prerequisite process for radar networking system to estimate and correct systematic errors accurately Some classical registration algorithms are all based on the stereographic projection,whic...
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ISBN:
(纸本)0780385624
Registration problem is a prerequisite process for radar networking system to estimate and correct systematic errors accurately Some classical registration algorithms are all based on the stereographic projection,which introduces errors to the registration of the long distance *** this work,we present a generalized least squares registration algorithm (ECEF-GLS) in an Earth-centered Earth-fixed coordinate *** new approach solves the registration between the long distance sensors,and the covanance of the estimation achieves the Cramer-Rao bound(CRLB) ignoring the errors of the linear *** data are used to evaluate the performance of the proposed *** are made to the ECEF-LS algorithms proposed by Zhou.
It is shown how complementary finite element method can be applied to problems involving the computation of electromagnetic parameters in axisymmetrical *** results obtained using such methods provide error bounded so...
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ISBN:
(纸本)0780385624
It is shown how complementary finite element method can be applied to problems involving the computation of electromagnetic parameters in axisymmetrical *** results obtained using such methods provide error bounded solutions to electromagnetic parameters,and may be compared with those found through application of the conventional finite element *** illustrate the technique the conductance of single-phase water resistors is *** are made on the convergence speed for a given degree of *** agreement is observed between the results obtained from computation and those from experiments.
＜正＞As the fastest numerical solver for 3D electromagnetic scattering up to now,multilevel fast multipole algorithm（MLFMA） has the excellent *** computational complexity and the storage requirement is O（NlogN） a...
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ISBN:
(纸本)0780385624
＜正＞As the fastest numerical solver for 3D electromagnetic scattering up to now,multilevel fast multipole algorithm（MLFMA） has the excellent *** computational complexity and the storage requirement is O（NlogN） and O（N） respectively,for a N unknowns *** a given object,MLFMA has different property and accuracy when the discretization density and the grouping technique of MLFMA *** paper investigates the computational complexity,the storage requirement and the accuracy of MLFMA in case of conducting sphere scattering in *** is shown a good property including the complexity and accuracy can be achieved when a suitable discretization density and the grouping size are chosen.
This paper presents implementation conditional access system for pay TV based on Java Card Conditional access system (CA) is widely used to control user access to system and protect the pay TV programs. This Java smar...
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ISBN:
(纸本)0780385624
This paper presents implementation conditional access system for pay TV based on Java Card Conditional access system (CA) is widely used to control user access to system and protect the pay TV programs. This Java smart card are implement for access condition. to system and Triple DES cryptography techniques. It provide the functionality for secure, flexibility for management and easily to expand for value-add service. The technology of Java card is light weight bytecode to break the smart card memory bottleneck It is constrained memory resources.
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