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- M. F. Pantoja, A. R. Bretones, R. G. Martin
- IEEE Transactions on Antennas and Propagation
- 2007

A set of antenna-optimization problems is presented that satisfies the necessary requirements to form a test suite useful for measuring and comparing the performance of different evolutionary… (More)

- R. G. Martin, A. Salinas, A. R. Bretones
- IEEE Antennas and Propagation Magazine
- 1992

Some recent developments and extensions of the method of moments for analyzing, in the time domain, the interaction of transient electromagnetic waves with perfect electric conductors are described.… (More)

- Enrique Monte Moreno, M. F. Pantoja, +4 authors R. G. Martin
- 2013 7th European Conference on Antennas and…
- 2013

This communication shows the relevance of accounting for accurate physical models of carrier dynamics for the simulation of radiative semiconductor photoconductive devices in the terahertz operation… (More)

- Miguel Ruiz Cabello, L. D. Angulo, A. R. Bretones, R. G. Martin, S. Gonzalez Garcia, J. Álvarez
- 2017 IEEE MTT-S International Conference on…
- 2017

In this work, we present a novel hybrid implicit-explicit algorithm, based on a subgridding boundary condition (SGBC) technique, for the simulation of arbitrarily dispersive thin layers in FDTD. To… (More)

- R. G. Martin, Dimitri Komatitsch, Stephen Douglas Gedney, E. Bruthiaux
- 2010

Unsplit convolutional perfectly matched layers (CPML) for the velocity and stress formulation of the seismic wave equation are classically computed based on a second-order finite-difference time… (More)

- Agostino Monorchio, A. R. Bretones, Raj Mittra, Giuliano Manara, R. G. Martin
- IEEE Transactions on Antennas and Propagation
- 2004

This paper describes a hybrid technique directly operating in time domain that combines the finite element time domain (FETD), the finite-difference time-domain (FDTD) and the integral-equation-based… (More)

- C.M.D.J. van Coevorden, S. Gonzalez Garcia, M. F. Pantoja, A. R. Bretones, R. G. Martin
- IEEE Antennas and Wireless Propagation Letters
- 2005

A Pareto multiobjective genetic algorithm (MOGA) has been applied to optimize the radiation characteristics of a 4/spl times/4 array of parasitically loaded microstrip-patch antennas in terms of… (More)

- S. Gonzalez Garcia, R.G. Rubio, A. R. Bretones, R. G. Martin
- IEEE Microwave and Wireless Components Letters
- 2006

In this letter, we analyze the alternating direction implicit finite-difference time-domain (ADI-FDTD) dispersion relation and find the numerical plane-wave relationship between the magnetic and… (More)

- A. Rubio Bretones, Raj Mittra, R. G. Martin
- IEEE Antennas and Propagation Society…
- 1998

This paper presents a new hybrid method that efficiently combines two versatile numerical techniques, viz., the finite difference time domain (FDTD) and the method of moments in the time domain… (More)

- R.G. Rubio, S. Gonzalez Garcia, A. R. Bretones, R. G. Martin
- IEEE Antennas and Wireless Propagation Letters
- 2006

The usual approach found in the literature to extend the perfectly matched layers (PMLs) absorbing technique to the alternating direction implicit finite-difference time-domain (ADI-FDTD) method… (More)