This book attempts to explain pulse Doppler radar from the basics through to the latest research. It is designed to appeal to engineers, academics, researchers, users, those involved in the technical aspects of specification and procurement and (postgraduate) students. It is written in an instructive style for the most part when discussing established techniques and the current state-of-the-art but occasionally adopts the style of a review when covering recent research that may not necessarily be implemented on current systems but that may influence the design of future systems. In this way, the material in this book provides the reader with an up-to-date view as well as a glimpse of what might lie ahead in the near future. It draws on much of the research effort conducted at Cranfield University and the broad lessons learned from some of our personal experiences and the consultancies and studies conducted for industry. Material is also referenced from standard texts, the early seminal papers in the subject, and recently published research papers.
The book is organized into three parts, each one building on the material of the previous sections. Part I (Chapters 1–8) covers the basic principles to lay sound foundations for the following parts of the book. It emphasizes classic processing techniques, especially the fast Fourier transform (FFT), and microwave engineering issues, antennas, and hardware. The second part of the book deals with the theory and techniques specific to pulse Doppler radar. This is subdivided into Part IIA (Chapters 9–10), which covers high PRF pulse Doppler, and Part IIB (Chapters 11–15), which covers medium PRF pulse Doppler. A major theme is that of PRF selection and optimization, other waveform design issues, and the problem of ghosting. While high and medium PRF pulse Doppler techniques have become synonymous with airborne fire control radars, they are used over a broad spectrum of airborne- and surface-based radar applications. For sure, Part II does emphasize the airborne radar case, but it does not neglect the surface-based radar. Finally, Part III (Chapters 16–19) presents a series of four case studies. Each of these case studies applies the material of Part II whilst also highlighting additional radar techniques (and, in some cases, non-radar considerations) specific to the application. Such is the prevalence of pulse Doppler radars today; the number of case studies that could have been considered is well into double figures. However, the four presented here suffice to illustrate the wide variety of pulse Doppler radar applications.
The book progresses the story of pulse Doppler radar through successive chapters and so is best read from start to finish. However, few of us use a textbook of this nature like this and tend to refer to specific topics. Hence, I hope to have presented the material in a manner that supports the reader who prefers to dip in and out of the various subjects whilst minimizing any repetition.
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