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单词 shifting theorem
释义 shifting theorem
[`shift·iŋ ´thir·ǝm]
MATHEMATICS
1. If the Fourier transform of f (t ) is F (x ), then the Fourier transform of f (t-a ) is exp (iax )F (x ).
2. If the Laplace transform of f (x ) is F (y ), then the Laplace transform of f (x-a ) is exp (-ay )F (y ).
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