What question did this study set out to answer?

This research aims to develop a method that speeds up transient electromagnetic analysis using compressed sensing and fast inverse Laplace transform.

April 22, 2026IEICE Transactions on Electronics0 citationsOpen Access

Compressed Sensing-Accelerated Method of Moments with Fast Inverse Laplace Transform for Transient Electromagnetic Analysis

SKSeiya KishimotoNihon University KSKota SaitoNihon University SOShinichiro OhnukiNihon University

Key Points

This research aims to develop a method that speeds up transient electromagnetic analysis using compressed sensing and fast inverse Laplace transform.
Combined compressed sensing with method of moments (MoM) and fast inverse Laplace transform (FILT) for analysis.
Recovered current density from an underdetermined system to enhance computational efficiency.
Compared results against conventional MoM-FILT methods and exact solutions.
Reduced the number of FILT iterations while maintaining accuracy of results.
Achieved significant decreases in computation time compared to traditional methods.
Results aligned closely with both conventional MoM-FILT and exact solutions.

Abstract

Compressed sensing accelerates the method of moments combined with the fast inverse Laplace transform for transient electromagnetic analysis. By recovering current density from an underdetermined system, the number of FILT iterations is reduced. The proposed approach agrees with conventional MoM-FILT results and exact solutions while significantly decreasing computation time.

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