Skip to content

Sections

Maps Timeline Graph Cosmos Life Culture Innovation People Climate Trends Art

Browse Dictionary Books Food Places Asteroids Exoplanets Artists Albums Gazetteer Search

© 2026 Vinony · Knowledge from Wikipedia, Wikidata, and 27 public APIs.

傅里叶正弦、余弦变换 · Vinony

Home
Fourier analysis
傅里叶正弦、余弦变换

🌐中文

English Deutsch Français Português Русский العربية فارسی 中文日本語

EntityQ1328722· pop 11· linked from 22 articles

傅里叶正弦、余弦变换

variant Fourier transforms

Article · 中文

在数学中，傅里叶正弦和余弦变换是傅里叶变换不使用复数的表达形式。它们最初被约瑟夫·傅里叶使用并仍在某些应用中有所擅长，如信号处理和概率统计。

Abstract from DBpedia / Wikipedia · CC BY-SA

Available in 11 languages

Français
Deutsch
中文
日本語
Русский
Português
العربية
Catalan
Esperanto

Connections

even and odd functions

Categories

Fourier analysis Integral transforms Mathematical physics

Sources

wikipedia.externallinksexternallink

via Wikidata sitelinks · CC0

mathematics

Entity

International Standard Book Number

Henri Poincaré

Augustin-Louis Cauchy

Fourier transform

Institute of Electrical and Electronics Engineers

Euler's formula

Sign in to save

What links here22 pages

integral transform

Fourier transform

Mel-frequency cepstrum

Fourier transform spectroscopy

sine and cosine

even and odd functions

discrete cosine transform

speech recognition

Neutron spin echo spectroscopy

Negative frequency

Dawson function

Discrete sine transform

Similar entities

Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).

Entitydist 0.41

convolution theorem

Entitydist 0.51

integral transform

Entitydist 0.54

Entitydist 0.56

Raised-cosine filter

Entitydist 0.61

Entitydist 0.64

Fresnel diffraction

Entitydist 0.66

Wallis' integrals

Entitydist 0.69

incomplete gamma function

Entitydist 0.71

Entitydist 0.72

Entitydist 0.72

Entitydist 0.72