Last Updated
：2025/11/29
Parseval's theorem
Proper noun
Japanese Meaning
フーリエ変換がユニタリ作用素であるという性質を示し、関数の平方の総和または積分値が、そのフーリエ変換後の平方の総和または積分値と等しいことを表す数学的定理
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(mathematics) The result that the Fourier transform is unitary; loosely, that the sum (or integral) of the square of a function is equal to the sum (or integral) of the square of its transform.
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Parseval's theorem
In the lecture, the professor used Parseval's theorem to show that the signal energy is preserved.
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In the lecture, the professor used Parseval's theorem to show that the signal energy is preserved.
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