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The GEC Research Laboratories 1919-1984
Robert Clayton
The Institution of Engineering and Technology, 1989
The Research Laboratories of the GEC were conceived in 1916, started work in 1919 and moved to their well-known buildings in Wembley in 1922.
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Genetic Algorithms in Engineering Systems
A.M.S. Zalzala
The Institution of Engineering and Technology, 1997
This book comprises ten invited expert contributions on the theory and applications of genetic algorithms in a variety of engineering systems. In addition to addressing the simple formulation of GAs, the chapters include original material on the design of evolutionary algorithms for particular engineering applications. Chosen for their experience in the field, the authors are drawn from both academia and industry worldwide, and provide extensive insight into their respective fields. The volume is suitable for researchers and postgraduates who need to be up-to-date with developments in this important subject, as well as practitioners in industry who are eager to find out how to solve their particular real-life problems.
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Geometrical Theory of Diffraction
V.A. Borovikov
The Institution of Engineering and Technology, 1994
The geometrical theory of diffraction (GTD) is an efficient method of analysis and design of wave fields. It is widely used in antenna synthesis in microwave, millimetre and infra-red bands, in circuit engineering and laser system design. It is a convenient tool for tackling the problems of wave propagation and scattering at bodies of complex shape. The method combines the simplicity and physical transparency of geometrical optics with high computational accuracy over a wide dynamic range of quantities analysed. The advantage of GTD is particularly pronounced in applications where the wavelength is small compared with the typical size of scatterers, i.e. in situations where the known analytical techniques - variational calculus and numerical analysis - are no longer applicable.
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Geometrical Theory of Diffraction for Electromagnetic Waves
Graeme L. James
The Institution of Engineering and Technology, 1986
The continuous development of the Geometrical Theory of Diffraction (GTD), from its conception in the 1950s, has now established it as a leading analytical technique in the prediction of high-frequency electromagnetic radiation and scattering phenomena. Consequently, there is an increasing demand for research workers and students in electromagnetic waves to be familiar with this technique. In this book they will find a thorough and clear exposition of the GTD formulation for vector fields. It begins by describing the foundations of the theory in canonical problems and then proceeds to develop the method to treat a variety of circumstances. Where applicable, the relationship between GTD and other high-frequency methods, such as aperture field and the physical optics approximation, is stressed throughout the text. The purpose of the book, apart from expounding the GTD method, is to present useful formulations that can be readily applied to solve practical engineering problems. To this end, the final chapter supplies some fully worked examples to demonstrate the practical application of the GTD techniques developed in the earlier chapters.
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Gyrators, Simulated Inductors and Related Immittances
Realizations and applications
Raj Senani
The Institution of Engineering and Technology, 2020
This book provides comprehensive coverage of the major gyrator circuits, simulated inductors and related synthetic impedances. It offers a thorough review of research in this field to date, and includes an exceptionally wide range and number of circuit examples, along with their relevant design equations, limitations, performance features, advantages and shortcomings. The book provides useful information for academics wishing to keep up-to-date with developments in the design of gyrators and other related synthetic impedances, and can also be used as a reference guide by electronics engineers looking to select appropriate circuits for specific applications.
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