V2EX renormalize

Renormalize

释义 Definition

(尤用于物理学、统计学等)重新归一化/重整化:在计算或模型中,通过调整参数、尺度或常数,使结果保持有限、可比较或符合某种标准(常见于量子场论中处理“发散”问题)。

发音 Pronunciation (IPA)

/rinrmlaz/

例句 Examples

The program renormalizes the data so the total equals 1.
这个程序会把数据重新归一化,使总和等于 1。

In quantum field theory, physicists renormalize the parameters to remove infinities and match experimental results.
在量子场论中,物理学家会对参数进行重整化,以消除无穷大并与实验结果相符合。

词源 Etymology

由 **re-**(“再次、重新”)+ normalize(“使标准化/归一化”)构成。最早常见于科学与工程语境,尤其在 20 世纪量子电动力学与量子场论发展中,“renormalize/renormalization(重整化)”成为处理计算发散、通过重新定义参数获得可观测预测的重要术语。

相关词 Related Words

文献作品 Literary / Notable Works

  • An Introduction to Quantum Field Theory Michael E. Peskin & Daniel V. Schroeder
  • The Quantum Theory of Fields Steven Weinberg
  • Quantum Field Theory in a Nutshell A. Zee
  • Renormalization Jean Zinn-Justin
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