名词
中文翻译：傅里叶变换
同义词：
['Fourier transform', 'Fourier series例句：1. In mathematics', 'the Fourier series is used to represent a function over a period of time.（在数学中，傅里叶级数被用来表示函数在一个时间段内的变化。）']
例句：
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1. In mathematics, the Fourier series is used to represent a function over a period of time.
在数学中，傅里叶级数被用来表示函数在一个时间段内的变化。
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2.The Fourier transform is a powerful tool for analyzing signals in various fields.
傅里叶变换是分析各个领域信号的有力工具。
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3.The Fourier series is often used to model the behavior of complex systems.
傅里叶级数常被用于模拟复杂系统的动态行为。