# LINEAR SYSTEMS FOURIER TRANSFORMS AND OPTICS GASKILL PDF

Linear Systems Fourier Transforms and Optics-Gaskill[] – Ebook download as PDF File .pdf) or read book online. Óptica de fourier. TXB – Linear Systems, Fourier Transforms, and Optics by Jack D. Gaskill. Results 1 – 30 of 31 Linear Systems, Fourier Transforms, and Optics (Wiley Series in Pure and Applied Optics) by Jack D. Gaskill and a great selection of related.

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A complete and balanced account of communication theory, providing an understanding of both Fourier fouriier and the concepts associated with linear systems and the characterization of such systems by mathematical operators. Presents applications of the theories to the diffraction of optical wave-fields and the analysis of image-forming systems.

Emphasizes a strong mathematical foundation and includes an in-depth consideration of the phenomena of diffraction. Combines all theories to describe the image-forming process in terms of a linear filtering operation for both coherent and incoherent imaging. Chapters provide gaski,l designed sets of problems. Also includes extensive tables of properties and pairs of Fourier transforms and Hankle Transforms. Would you like to tell us about a lower price?

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Introduction to Fourier Optics. Field Guide to Linear Systems in Optics. Modern Optical Engineering, 4th Ed. From the Publisher A complete and balanced account of communication theory, providing an understanding of both Fourier analysis and the concepts associated with linear systems and the characterization of such systems by mathematical operators. Wiley-Interscience; 1 edition June Language: I’d like to read this book on Kindle Don’t have a Kindle?

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This book is syatems textbook on linear systems, Fourier analysis, diffraction theory, and image formation. It is not a textbook on Fourier optics, but was intended to helps students with the basics before attempting that subject. This book might also be helpful to students that are studying linear systems theory or image processing alone and need an additional reference.

There are problems at the end of each chapter, and the problems include both numerical calculations trwnsforms derivations. No solutions to the problems are included.

### Linear systems, Fourier transforms, and optics – Jack D. Gaskill – Google Books

Numerous examples are shown with complete steps. Some examples are numerical, lineaf many are not. Minus the optical material, I had already seen the rest of the material in trxnsforms book before I used it, so perhaps I am not the best judge of how complete a textbook it was, but to me it seemed very complete and clear.

Unlike many similar textbooks, the author did not assume much about the reader’s background other than the Calculus, differential equations, and linear algebra that you would expect any graduate engineering student to have already mastered. I definitely recommend going through it or having access to it before you enroll in a class on Fourier optics. Chapter 2 presents an elementary review of various properties and classes of mathematical functons, as well as a description of the manner in which these functions represent physical quantities.

Chapter 3 introduces a number of special functions that are of great use in later chapters. In particular the rectangle function, the sinc function, the delta function, and the comb function are liner useful. Also, several special functions of two variables are described. In Chapter 4 the fundamentals of harmonic analysis are explored as well as how various arbitrary functions may be represented by linear combinations of other more elementary functions. Chapter 5 discusses the physical systems in term of linear operators, and the notions of linearity and shift invariance are introduced.

Next, the impulse response function, the transfer function, and the eigenfunctions associated with linear shift-invariant systems are discussed. Chapter 6 is devoted to studies of the convolution, cross-correlation, and autocorrelation operations.

### Linear Systems, Fourier Transforms, and Optics: Jack D. Gaskill: : Books

The properties of these operations are explored in considerable depth. The fact that the output of a linear shift-invariant system is given by the convolution of the input with the impulse response of the system is derived and explored. In Chapter lptics the properties of the Ootics transformation is investigated, as well as the importance of this transform in the analysis of linear shift-invariant systems.

In chapter 8 the characteristics of various types of linear filters are described.

Their applications in various types of signal processing and recovery is discussed. Also discussed is the matched-filter problem and the various interpretations of the sampling theory.

Chapter 9 extends the previous material on one-dimensional systems to two dimensions. In particular, an investigation of convolution and Fourier transformation in two dimensions is conducted, and the Hankel transform and its properties are studied.

Also, the line response and edge response functions are introduced. In chapter 10 the propagation and diffraction of optical wave fields in both the Fresnel and Fraunhofer regions is explored. Also studied are the effects of lenses on the diffraction process. Special attention is paid to the curious properties of Gaussian beams in the last section of the chapter.

Finally, in Chapter 11, the concepts of linear systems and Fourier analysis are combined with the theory of diffraction to describe the process of image formation in terms of a linear filtering operation. This is done for both coherent linezr incoherent imaging, and the corresponding impulse response transfogms and and transfer functions are discussed in detail.

Several special functions are tabulated in the first appendix for those with little or no previous training in optics, and the fundamentals of geometrical image formation and abberations are presented in the second appendix.

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## Linear Systems, Fourier Transforms, and Optics

I had optical FT class in my grad program and the professor was teaching it from Goodman’s book I wish I had optice book then I use it and O love it It is not an advance FT book lineaar it is a must have FT book for me Love it and thanks for the first reviewer for the very helpful detailed review that made me buy this book: Excellent book on Fourier Optics. Provides a unique view when compared to Goodman in the sense that is more linear systems based.

Well written and provides excellent insight in the subject. I consider Gaskill’s book to be the best I’ve seen for advanced undergraduate and first-year graduate classes on linear systems. Gaskill approaches the subject in a clear and understandable style while dealing with the subject in a complete and quantitative manner.

Though he does not eschew mathematical rigor by any means, the text is well written and logically formatted, making it refreshingly easy to follow what is, in other texts, a more difficult subject. Though I’ve filed Gaskill’s book in my library alongside other dealing with optics, this is primarily a book on mathematics, but written more for engineers syatems scientists than for mathematicians. After a brief introduction, the author begins in chapter 2 with a quick summary of mathematical concepts, including classes of functions, one and two-dimensional functions, complex gaaskill, phasors, and the scalar wave equation.

The third chapter introduces useful functions many of a discontinuous nature that find application in modeling linear systems. These include step functions and the impulse function in both one and two dimensions. Development of these functions follows an intuitive path that reflects the way in which they are often used. The many figures are particularly useful in conveying concepts more effectively.

Chapter four develops the theme of harmonic analysis by introducing the notion of orthogonal expansions and extending this development to the Fourier series, leading to development of the Fourier integral. The chapter finishes with some worked examples showing the spectra of simple functions. Chapter 7 seems a little out of place, since it deals with the Fourier transform, yet appears in the book several chapters later, after the author introduces the concepts of linear systems and the convolution.

Though one of the shorter chapters, chapter five is pivotal, and develops the idea of mathematical operators and physical systems – with the crucial development of the impulse response. The application of the impulse response is extended by chapter 6, which develops the mathematics of convolution. For a linear, shift-invariant system the impulse response convolved optlcs the input to the system gives the system’s output.

Chapter 8 pulls together the material in the previous chapters to mathematically describe the characteristics and applications of linear filters.

Examples include amplitude filters, phase filters, combination amplitude and phase filters, and some interesting applications showing for example how to filter the noise from a signal of interest.

All this development is strictly mathematical, with no real-world worked examples except in the abstract. Nevertheless, this chapter is very useful systmes in the author’s style easy to understand and follow. Chapter 9 deals fouirer two-dimensional convolutions and the two-dimensional Fourier transform. This chapter is essentially an extension of the earlier one-dimensional developments in earlier chapters, but introduces some useful mathematical tools, including the convolution and Fourier transform in polar coordinates.

The Hankel transform, developed in this chapter, is particularly useful for liinear in optics where many examples laser beams, for instance exhibit circular symmetry. In these examples the two-dimensional integrals may be greatly simplified by the Hankel transform to a one-dimensional form where even in the absence of a closed-form equation they are far more tractable. The chapter concludes with useful tables of common transforms. Chapter 10 leaves the almost purely mathematical forum of the previous chapters by introducing the subject of propagation and diffraction of optical waves.

Gaskill first develops the mathematics of the optical waves and then derives the equations that show how these optucs are diffracted. Not surprisingly, the diffraction fields are expressible in terms of oprics transforms developed earlier in the book.