PickVidsThe more general uncertainty principle, regarding Fourier transforms
推荐理由
The clearest, most intuitive explanation of the Fourier Uncertainty Principle that I have come across is by Grant Sanderson of 3Blue1Brown.
强烈推荐Cadwhisker · 原文
说明
这是2018年由3Blue1Brown发布的一部讲解，主题归在Information theory & signal processing。它讲的是fourier uncertainty principle这一支里的具体问题，而不是把整个领域扫一遍。适合已经能看懂基本术语、想继续往下走的人。内容上可以概括成：3Blue1Brown shows how the uncertainty principle arises from Fourier transforms. A wave packet cannot be narrow in both position and frequency, so the principle is a property of waves rather than of measurement.这些读者给出的理由，核心是：HN recommends it as the clearest visual explanation that uncertainty is intrinsic to waves, separate from measurement disturbance.讲法不绑某一条新闻，过几年仍然可以当材料看。从2019年到2025年，有7位不同的读者在6个不同月份把它推荐出来，其中明确叫别人去看的有1次。适合用一集把一个概念补上的人。抓住它用的那个图像或类比，比背公式重要。如果已经会了基本定义，就把注意力放在它怎么把fourier uncertainty principle变成能跟着复述的例子。
视频信息
- 频道
- 3Blue1Brown
- 时长
- 18 分 7 秒
- 发布年份
- 2018
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