نتایج جستجو برای: partial fourier transform
تعداد نتایج: 363914 فیلتر نتایج به سال:
In this paper, the space-time Riesz fractional partial differential equations with periodic conditions are considered. The equations are obtained from the integral partial differential equation by replacing the time derivative with a Caputo fractional derivative and the space derivative with Riesz potential. The fundamental solutions of the space Riesz fractional partial differential equation (...
Because of its wide applicability, many eecient implementations of the Fast Fourier Transform have been developed. We propose that an eecient implementation can be produced automatically and reliably by partial evaluation. Partial evaluation of an unoptimized implementation produces a speedup of over 9 times. The automatically generated result of partial evaluation has performance comparable to...
to date, a number of numerical methods, including the popular finite-difference time domain (fdtd) technique, have been proposed to simulate ground-penetrating radar (gpr) responses. despite having a number of advantages, the finite-difference method also has pitfalls such as being very time consuming in simulating the most common case of media with high dielectric permittivity, causing the for...
This paper shows that binary decision diagrams (BDDs) and their generalizations are not only representations of switching and integer-valued functions, but also Fourier-like series expansions of them. Furthermore, it shows that edge-valued binary decision diagrams (EVBDDs) are related to arithmetic transform decision diagrams (ACDDs), which are the integer counterparts of the functional decisio...
Because of its wide applicability many e cient implementations of the Fast Fourier Transform have been developed We propose that an e cient implemen tation can be produced automatically and reliably by partial evaluation Partial evaluation of an unoptimized implementation produces a speedup of over times The automatically generated result of partial evaluation has performance com parable to or ...
Fourier transforms, integer and fractional, are ubiquitous mathematical tools in basic and applied science. Certainly, since the ordinary Fourier transform is merely a particular case of a continuous set of fractional Fourier domains, every property and application of the ordinary Fourier transform becomes a special case of the fractional Fourier transform. Despite the great practical importanc...
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