Transforms in Several Variables
In this short chapter, we sketch a little of the theory of Fourier transforms in several variables. There are other combinations that may occur in applications, for example, mixed transforms such as a Laplace transform in combination with a Fourier transform. Since they are usually required on a case-by-case basis, we do not attempt to a general treatment here.1
KeywordsFourier Transform Radiation Condition Order Partial Differential Equation Fresnel Diffraction Fraunhofer Diffraction
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