Computational Electromagnetics for RF and Microwave Engineering pdf

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Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download

Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download. On graduating twenty years back, in 1984, my first job was as a research engineer working on computational electromagnetics (CEM) at the National Institute for Aeronautical Systems Technology (as it was then called) of the Council for Scientific and Industrial Research (CSIR) in Pretoria, South Africa. It was an exciting time to be working in this field.

Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download

Although a number of methods had already been successfully introduced, including the three which will be discussed in detail in this book, major advances were being made in all of these methods, and the power of desktop computers was growing in leaps and bounds. No commercial programs (or codes, as they are generally called) were then available for RF problems, but some US government-sponsored codes, in particular the NEC-2 code, were becoming available for general use. The 1980s saw the final decade of the Cold War, which in some areas (such as Southern Africa) was far from cold. New military technologies, in particular stealth, were driving CEM to address progressively more electromagnetically complex problems.

Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download

However, when the Cold War ended, far from CEM work coming to a halt, new commercial markets, such as the rapidly developing market in mobile telephony and personal communication systems, and the proliferation of electronic systems in motor vehicles, continued to drive the technology forward at breakneck speed throughout the 1990s. This was also due to the widespread availability of cheap and progressively more powerful personal computers as a crucial enabling technology.

Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download

CEM has now reached a modicum of maturity, with a number of powerful methods available, able to solve problems of real engineering interest at radio frequencies, and with a number of commercial codes available. This has brought a significant change in the profile of CEM practitioners, which has not been fully appreciated in the community at the time of writing. In addition to the traditional group of CEM users – largely academics, post-graduate students and research engineers at large corporations or research establishments – an entirely new generation of users has arisen.

Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download

Their interest is typically in using an existing commercial packet to solve a particular problem as rapidly as possible. They may well not have any post-graduate exposure to CEM methods, and questions which may appear elementary to CEM researchers (such as which technique is most appropriate for the problem at hand) are actually far from obvious to the beginner in the field; furthermore, marketing can “hype” a particular implementation/technique to the point where it appears omnipotent. Commercial codes aside, even academic papers are not free of such bias.

Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download

Computational Electromagnetics for RF and Microwave Engineering by David B. Davidson pdf free download

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