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单词
fourier transform
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Fou
′
rier trans′form,
[
Math.
]
Mathematics
a mapping of a function, as a signal, that is defined in one domain, as space or time, into another domain, as wavelength or frequency, where the function is represented in terms of sines and cosines.
see
Fourier
analysis
1920–25
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更新时间:2025/7/31 8:32:59