| http://dbpedia.org/ontology/abstract
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La funció de Hann, que porta el nom del meteoròleg austríac , és una funció finestra discreta donada per o o, en termes de la funció haversine,
, The Hann function is named after the Austr … The Hann function is named after the Austrian meteorologist Julius von Hann. It is a window function used to perform Hann smoothing. The function, with length and amplitude is given by: For digital signal processing, the function is sampled symmetrically (with spacing and amplitude ): which is a sequence of samples, and can be even or odd. (see § Hann and Hamming windows) It is also known as the raised cosine window, Hann filter, von Hann window, etc.window, Hann filter, von Hann window, etc.
, A função de Hann, nomeado após o meteorologista Austríaco Julius von Hann, é uma função de janelamento discreto dada por ou ou, em termos da função haverseno,
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| http://dbpedia.org/ontology/thumbnail
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http://commons.wikimedia.org/wiki/Special:FilePath/0...N%29.svg?width=300 +
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| http://dbpedia.org/ontology/wikiPageExternalLink
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http://mathworld.wolfram.com/HanningFunction.html +
, https://zenodo.org/record/1280930 +
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| http://dbpedia.org/ontology/wikiPageID
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4326149
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| http://dbpedia.org/ontology/wikiPageLength
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10185
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| http://dbpedia.org/ontology/wikiPageRevisionID
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1102533151
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| http://dbpedia.org/ontology/wikiPageWikiLink
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http://dbpedia.org/resource/Euler%27s_formula +
, http://dbpedia.org/resource/Apodization +
, http://dbpedia.org/resource/Hamming_function +
, http://dbpedia.org/resource/Julius_von_Hann +
, http://dbpedia.org/resource/Category:Signal_processing +
, http://dbpedia.org/resource/File:DFT-even_Hann_window_&_spectral_leakage.png +
, http://dbpedia.org/resource/Richard_Hamming +
, http://dbpedia.org/resource/Raised_cosine_distribution +
, http://dbpedia.org/resource/Raised-cosine_filter +
, http://dbpedia.org/resource/Digital_signal_processing +
, http://dbpedia.org/resource/Discrete-time_Fourier_transform +
, http://dbpedia.org/resource/MathWorld +
, http://dbpedia.org/resource/File:Window_function_and_its_Fourier_transform_%E2%80%93_Hann_%28n_=_0...N%29.svg +
, http://dbpedia.org/resource/Fourier_transform +
, http://dbpedia.org/resource/Window_function +
, http://dbpedia.org/resource/Rectangular_function +
, http://dbpedia.org/resource/Discrete_Fourier_transform +
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| http://dbpedia.org/property/proof
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Using Euler's formula to expand the cosine term in we can write:
:
which is a linear combination of modulated rectangular windows:
:
Transforming each term:
:
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| http://dbpedia.org/property/title
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Derivation
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| http://dbpedia.org/property/wikiPageUsesTemplate
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http://dbpedia.org/resource/Template:Efn-la +
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, http://dbpedia.org/resource/Template:Cite_journal +
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| http://purl.org/dc/terms/subject
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http://dbpedia.org/resource/Category:Signal_processing +
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| http://www.w3.org/ns/prov#wasDerivedFrom
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http://en.wikipedia.org/wiki/Hann_function?oldid=1102533151&ns=0 +
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| http://xmlns.com/foaf/0.1/depiction
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http://commons.wikimedia.org/wiki/Special:FilePath/DFT-even_Hann_window_&_spectral_leakage.png +
, http://commons.wikimedia.org/wiki/Special:FilePath/0...N%29.svg +
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| http://xmlns.com/foaf/0.1/isPrimaryTopicOf
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http://en.wikipedia.org/wiki/Hann_function +
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| owl:sameAs |
http://rdf.freebase.com/ns/m.03gq65y +
, https://global.dbpedia.org/id/fJwH +
, http://pt.dbpedia.org/resource/Fun%C3%A7%C3%A3o_de_Hann +
, http://www.wikidata.org/entity/Q17020717 +
, http://dbpedia.org/resource/Hann_function +
, http://ca.dbpedia.org/resource/Funci%C3%B3_de_Hann +
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| rdfs:comment |
A função de Hann, nomeado após o meteorologista Austríaco Julius von Hann, é uma função de janelamento discreto dada por ou ou, em termos da função haverseno,
, La funció de Hann, que porta el nom del meteoròleg austríac , és una funció finestra discreta donada per o o, en termes de la funció haversine,
, The Hann function is named after the Austr … The Hann function is named after the Austrian meteorologist Julius von Hann. It is a window function used to perform Hann smoothing. The function, with length and amplitude is given by: For digital signal processing, the function is sampled symmetrically (with spacing and amplitude ): which is a sequence of samples, and can be even or odd. (see § Hann and Hamming windows) It is also known as the raised cosine window, Hann filter, von Hann window, etc.window, Hann filter, von Hann window, etc.
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| rdfs:label |
Função de Hann
, Hann function
, Funció de Hann
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