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单词 fourier analysis
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Fourier anal′ysis, [Physics, Math.]
  1. Mathematics, Physicsthe expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function. Cf. Fourier series.
  2. Mathematics, PhysicsSee harmonic analysis. 
  • named after J.B.J. Fourier 1925–30

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