This article offers an intuitive, interactive guide to the Fourier Transform, using a smoothie metaphor to simplify how signals decompose into periodic components. It covers core principles like amplitude, frequency, and phase, with live simulations demonstrating concepts such as time spikes and frequency domains. Practical applications include earthquake analysis for safer buildings, audio processing for noise reduction, data compression (e.g., JPEG/MP3), and radio communications. The approach emphasizes intuitive understanding over complex math, making it accessible for readers in AI, chip design, and autonomous driving—where Fourier Transform is foundational. Interactive examples bridge theory with real-world tech, enhancing learning without dense equations.
原文链接：Hacker News
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