In this paper, we outline the historical evolution of RF and microwave design optimization
and envisage imminent and future challenges that will be addressed by the next generation …

Uncertainty quantification is an important aspect of engineering design, also pertaining to
the development and performance evaluation of antenna systems. Manufacturing tolerances …

Uncertainty quantification is an important aspect of engineering design, as manufacturing
tolerances may affect the characteristics of the structure. Therefore, the quantification of …

This study presents the strengths of polynomial chaos-kriging (PCK), a new surrogate model
that merges polynomial chaos extension (PCE) and Gaussian process with kriging variance …

This paper outlines the early history of optimization technology for the design of microwave
circuits—a personal journey filled with aspirations, academic contributions, and commercial …

This paper introduces a simple H-shaped patch Wilkinson power divider (WPD), which
provides ultra wide harmonics suppression band. The presented WPD designed at 1.8 GHz …

Fabrication tolerances and other types of uncertainties, eg, the lack of precise knowledge of
material parameters, have detrimental effects on the electrical and field performance of …

Horn antenna designs are favored in many applications where ultra‐wide‐band operation
range alongside of a high‐performance radiation pattern characteristics are requested …

Assessing the immunity of antenna design to fabrication tolerances is an important
consideration, especially when the manufacturing process has not been predetermined. At …

Practical microwave design is most often carried out in the nominal sense. Yet, in some
cases, performance degradation due to uncertainties may lead to the system failing to meet …