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单词
parseval's theorem
释义
Parseval's theorem
Parseval's theorem
[
′pär·sə·vəlz ′thir·əm
]
(mathematics)
A theorem that gives the integral of a product of two functions, ƒ(
x
) and
F
(
x
), in terms of their respective Fourier coefficients; if the coefficients are defined by and similarly for
F
(
x
), the relationship is
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更新时间：2024/12/24 0:41:53