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This e-book addresses computationally-efficient multi-objective optimization of antenna constructions utilizing variable-fidelity electromagnetic simulations, surrogate modeling concepts, and layout area aid tools. in accordance with modern learn, it formulates multi-objective layout projects, highlights comparable demanding situations within the context of antenna layout, and discusses answer methods.

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In the worst case, the number of itera­ tions is exponential because whatever knowledge is guiding the search turns out to be inadequate or inappropriate. 5. Routine design systems covered in this volume Table 1-4 classifies along the dimensions we have been discussing the various routine design systems described in later chapters of this book. Notice that most of these routine design systems address design tasks involving parameter value assignment or structure configuration (but not "from scratch" synthesis of the entire structure).

5. 1. Identifying the Design Task Identifying the design task involves defining the task and classifying it. 1. Knowledge acquisition to define the design task To define a design task, we must acquire knowledge defining: • the class of problems that can be solved; • the class of candidate solutions that contains a set of acceptable solutions to the problem; • the domain theory, the body of domain-specific knowledge that is accessed in solving such problems, and constrains what is con­ sidered to be an acceptable solution.

In CADET, the cases were manually entered (since the focus of the CADET research was on case retrieval, and not case storage). 28 TONG AND SRIRAM Design case retrieval. Because ARGO stores cases in such a way that the con­ ditions for precise re-use are associated with them, retrieval of applicable cases is not an issue; ARGO uses a heuristic to restrict its retrieval to maximally specific cases. In BOGART, the user selects a case conceived as being similar to the current problem. , some previously design artifact actually produces the desired behavior or something similar to it).

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