A new practical approach to sensitivity analysis of the network parameters of high-frequency
structures with commercial full-wave electromagnetic (EM) solvers is proposed. We show …

We propose an efficient adjoint-variable approach to the sensitivity analysis of S-parameters
obtained from full-wave electromagnetic (EM) time-domain simulations. It allows the …

We propose an accurate central adjoint variable method (CAVM) for estimating objective
function sensitivities related to dielectric discontinuities with structured-grid finite difference …

This article describes a new family of dual-reject-band filters in rectangular waveguide that
uses resonant apertures (RAs), and is suitable for narrow-band applications. Reject-band …

We present an accurate technique for efficiently estimating the gradient of time-varying
responses at each time step. Using only one extra simulation, the sensitivities of a transient …

The electromagnetic adjoint-based sensitivity analysis uses an exact formula in the case of
material parameters, which yields sensitivity accuracy comparable to that of the numerical …

We propose a novel technique to compute response gradients (Jacobians) from frequency-
domain field solutions provided by high-frequency electromagnetic (EM) simulations. It is …

We review work relevant to the area covered by the transmission line matrix (TLM) method,
including certain historical TLM developments and design parameter sensitivity analysis for …

Accurate mathematical models of the wave-scattering and eigenvalue problems are used to
develop an algorithm of synthesis of rejection cells based on the H-plane partially filled …