Erinevus lehekülje "Fourier' teisendus" redaktsioonide vahel

== Definitsioon ==
 
Fourier' teisenduse defineerimiseks on mitmeid tavasid <ref>{{citation |first=Matiur |last=Rahman |url=http://books.google.com/books?id=k_rdcKaUdr4C&pg=PA10 |isbn=1845645642 |publisher=WIT Press |title=Applications of Fourier Transforms to Generalized Functions |year=2011}}</ref>, <ref>* {{citation|first=Gerald|last=Kaiser|title=A Friendly Guide to Wavelets|year=1994|publisher=Birkhäuser|isbn=0-8176-3711-7 |url=http://books.google.com/books?id=rfRnrhJwoloC&pg=PA29&dq=%22becomes+the+Fourier+%28integral%29+transform%22&hl=en&sa=X&ei=osO7T7eFOqqliQK3goXoDQ&ved=0CDQQ6AEwAA#v=onepage&q=%22becomes%20the%20Fourier%20%28integral%29%20transform%22&f=false}}</ref>. Antud artiklis kasutankasutatakse definitsiooni:
 
:<math>\hat{f}(\xi) = \int_{-\infty}^{\infty} f(x)\ e^{- 2\pi i x \xi}\,dx</math>, &nbsp; iga [[reaalarv|reaalarvu]] ξ jaoks.
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