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傅里叶变换是声学和通信行业中应用非常广的一种方法。今天我们通过一个典型案例：从声音中分解频率信号，来了解它背后的原理。 出品：科普中国-星空计划（创作培育）

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如何从声音中分解频率信号？请看最直观的傅里叶变换图解_澎湃号·湃客_澎湃新闻-The Paper

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