Analysis of arbitrary metallic surfaces conformed to a circular cylinder using the conjugate gradient-fast Fourier transform (CG-FFT) method

Cátedra, M.F.; Ruiz, Francisco J.; Nuño, L.; Gago, E.

doi:10.1109/aps.1988.93995

Cited by 2 publications

(2 citation statements)

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“…As a classic numerical method in computational electromagnetics (CEM), method of moments (MoM) [1] is widely used in the analysis of electromagnetic (EM) scattering. With the development of improved schemes for MoM, many fast algorithms have been proposed, e.g., fast multipole method (FMM) [2], conjugate gradient fast Fourier transform (CG-FFT) [3], adaptive integral method (AIM) [4], and adaptive cross approximation (ACA) [5].…”

Section: Introductionmentioning

confidence: 99%

A Prior Parameter Extraction Method for the Solution of Wide-Angle Electromagnetic Scattering Problems Based on Compressed Sensing

Wang¹,

Chen²,

Cao³

et al. 2021

PIER M

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A fast solution for electromagnetic scattering problems over a wide incident angle based on compressed sensing (CS) was proposed in recent years. Since current expansion coefficients are not known in advance, the parameters of this solution (e.g., the times of measurements, the selection of sparse transforms) for different scattering objects are difficult to determine. In order to solve this problem, this paper presents a prior parameter extraction method based on the principle of on-surface discretized boundary equation (OS-DBE), in which an approximate distribution of current expansion coefficients at any given point of the scatterer is first obtained with low-coverage and low-complexity, and then the prior parameters can be determined by CS tests for the approximate result. The implementation method is elaborated, and its effectiveness is verified by numerical results.

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Section: Introductionmentioning

confidence: 99%

A Prior Parameter Extraction Method for the Solution of Wide-Angle Electromagnetic Scattering Problems Based on Compressed Sensing

Wang¹,

Chen²,

Cao³

et al. 2021

PIER M

View full text Add to dashboard Cite

show abstract

“…cylindrical microstrip transmission line [1], Frequency Selective surfaces and radomes [2], corrugated struts for antenna systems [3], etc... . For simple structures, where the media inside and outside the structure are similar, the Green's function in an isotropic media -:an be used in the analysis [4]. The structures of microstrip antenna and arrays requite an appropriate Green's function which is normally derived in tie spectral domain for simplicity.…”

Section: Introductionmentioning

confidence: 99%

The Convergence In Analysis Of Cylindrical Structures

Mokhtar

1998

The International Conference on Electrical Engineering

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Analysis of arbitrary metallic surfaces conformed to a circular cylinder using the conjugate gradient-fast Fourier transform (CG-FFT) method

Cited by 2 publications

References 4 publications

A Prior Parameter Extraction Method for the Solution of Wide-Angle Electromagnetic Scattering Problems Based on Compressed Sensing

A Prior Parameter Extraction Method for the Solution of Wide-Angle Electromagnetic Scattering Problems Based on Compressed Sensing

The Convergence In Analysis Of Cylindrical Structures

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