نتایج جستجو برای: fourier transforms

تعداد نتایج: 79729  

Journal: :Pacific Journal of Mathematics 1969

Journal: :Journal für die reine und angewandte Mathematik (Crelles Journal) 1998

Journal: :Proceedings of the American Mathematical Society 1973

Journal: :Multiscale Modeling & Simulation 2009

Journal: :Transactions of the American Mathematical Society 2019

Journal: :Journal of Mathematical Analysis and Applications 1964

2007
Michael H. Freedman Zhenghan Wang

Fourier transform is an essential ingredient in Shor’s factoring algorithm. In the standard quantum circuit model with the gate set U 2 , controlled-NOT , the discrete Fourier transforms FN= ij N N, i , j=0,1 ,... ,N −1, =e2 i/N, can be realized exactly by quantum circuits of size O n2 , n=ln N, and so can the discrete sine or cosine transforms. In topological quantum computing, the simplest un...

1999
Andrew Sterian

This paper is concerned with the approach to teaching an introductory course on Fourier theory for engineers. Commonly called Signals and Systems (or some variation), this course generally introduces four transforms: the Fourier Transform, the Fourier Series, the Discrete-Time Fourier Transform (DTFT), and the Discrete Fourier Transform (DFT). Our concern is that the method and order of topic p...

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