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- Magdalena Salazar-Palma, Luis-Emilio García-Castillo, Tapan K. Sarkar, Yam Ki Cheung
- 2000

This Key Note presents a summary of the development of the Finite Element Method in the field of Electromagnetic Engineering, together with a description of several contributions of the authors to the Finite Element Method and its application to the solution of electromagnetic problems. First, a self-adaptive mesh scheme is presented in the context of the… (More)

- A. Garcia-Lamperez, S. Llorente-Romano, Magdalena Salazar-Palma, T. K. Sarkar
- IEEE Transactions on Microwave Theory and…
- 2004

A method is presented for the efficient optimization of microwave filters and multiplexers designed from an ideal prototype. The method is based on the estimation of a rational function adjusted to a reduced number of samples of the microwave device response obtained either through electromagnetic analysis or measurements. From this rational function, a… (More)

- Mengtao Yuan, T. K. Sarkar, Magdalena Salazar-Palma
- IEEE Transactions on Microwave Theory and…
- 2006

Sommerfeld integration is introduced to calculate the spatial-domain Green's functions (GF) for the method of moments in multilayered media. To avoid time-consuming numerical integration, the discrete complex image method (DCIM) was introduced by approximating the spectral-domain GF by a sum of exponentials. However, traditional DCIM is not accurate in the… (More)

- Young-seek Chung, Tapan K. Sarkar, Baek Ho Jung, Magdalena Salazar-Palma, Seongman Jang, Kyungjung Kim
- 2003

In this paper, we propose a numerical method to obtain a solution for the time domain electric field integral equation (TD-EFIE) for arbitrary shaped conducting structures. This method does not utilize the customary marching-on in time (MOT) solution method often used to solve a hyperbolic partial differential equation. Instead we solve the wave equation by… (More)

In this paper, a numerical method to obtain an unconditionally stable solution of the time domain electric field integral equation for arbitrary conducting thin wires is presented. The time-domain electric field integral equation (TD-EFIE) technique has been employed to analyze electromagnetic scattering and radiation problems from thin wire structures.… (More)

- Orlando García-Pérez, A. Garcia-Lamperez, Vicente González-Posadas, Magdalena Salazar-Palma, Daniel Segovia-Vargas
- IEEE Transactions on Microwave Theory and…
- 2009

Unique properties exhibited by metamaterial transmission lines have been previously used to design a large number of dual-band microwave passive devices, but not active ones. In this paper, a novel dual-band active filter scheme based on composite right/left-handed transmission lines is proposed. The inclusion of these types of lines as feedback sections in… (More)

- A. Garcia-Lamperez, Magdalena Salazar-Palma
- IEEE Transactions on Microwave Theory and…
- 2011

A method for the design of bandpass filters with multiple pass bands is presented. The key point of this method is a frequency map between single-band resonators and multiple-band networks formed by those resonators with additional resonators coupled to them. The mapping problem is a non-linear one and the mathematical treatment, based on mapping the… (More)

- Raúl Fernández-Recio, L. E. Garcia-Castillo, I. Gómez-Revuelto, Magdalena Salazar-Palma
- 2007 International Conference on Electromagnetics…
- 2007

A convergence study of a non-standard Schwarz domain decomposition method for finite element mesh truncation in electromagnetics has been carried out. The original infinite domain is divided into two overlapping domains. The interior finite domain is modeled by finite elements and the exterior infinite domain by an integral equation representation of the… (More)

- Nuri Yilmazer, T. K. Sarkar, Magdalena Salazar-Palma
- 2010 URSI International Symposium on…
- 2010

In this presentation, we compare the performance of the Matrix Pencil (MP) and ESPRIT (Estimation of Signal Parameters using Rotational In-variance Technique) methods for direction of arrival estimation using single and multiple snapshots. The Matrix Pencil method is a technique that directly deals with the data to estimate the poles corresponding to the… (More)

In this paper, we analyze the transient electromagnetic response from three-dimensional (3D) dielectric bodies using a timedomain combined-field integral equation. The solution method in this paper is based on the method of moments (MoM), which involves separate spatial and temporal testing procedures. Triangular-patch basis functions are used for spatial… (More)