Fourier Transform Intuition in Signal Processing
傅里叶变换在信号处理中的直觉
课文音频
Listen to the full story · 完整逐句/整段音频可在解锁后使用。
您仍可先看下方课文摘要;在阅读器可查看该书试读与权益说明。
课文
从第 4 课起,导读页仅展示部分正文,便于您了解难度与风格。
-
Any repeating signal—from a guitar note to Wi-Fi data—can be broken down into pure sine waves of different frequencies and strengths.
-
The Fourier transform is the mathematical tool that reveals which frequencies are present and how much each contributes.
Unlock full vocabulary & bilingual guide · 完整课文、逐句音频与全部译文请在解锁学习权益后于阅读器中查看。
Improve faster解锁本课完整体验