V2EX frequency-based

Frequency-based

Definition 释义

frequency-based(形容词)基于频率的;以“频率/频域”作为分析、分类、测量或设计依据的方法或特征。常见于信号处理、通信、声学、数据分析等语境。(也可泛指“以出现频率为依据”的做法。)

Pronunciation 发音(IPA)

/fri.kwn.si best/

Examples 例句

This app uses a frequency-based filter to reduce noise.
这个应用使用基于频率的滤波器来降低噪声。

In speech recognition, frequency-based features can capture patterns that time-based features may miss, improving accuracy in noisy environments.
在语音识别中,基于频率的特征能捕捉到一些时域特征可能遗漏的模式,从而在嘈杂环境下提升准确率。

Etymology 词源

frequency(频率)+ based(基于……的) 组成的复合形容词。frequency 来自拉丁语 frequentia(“频繁、经常出现”),based 源于 base(“基础”)的派生用法,合起来字面意思就是“以频率为基础的”。

Related Words 关词

Literary Works 作品中的用例

该词更常见于技术写作与经典教材(而非小说诗歌)中,例如:

  • Discrete-Time Signal Processing(Oppenheim & Schafer):讨论频域/谱分析时常用 “frequency-based” 描述方法。
  • The Scientist and Engineer’s Guide to Digital Signal Processing(Steven W. Smith):介绍频率分析、滤波等内容时常出现类似表述。
  • Digital Signal Processing: A Practical Guide for Engineers and Scientists(各版本教材中常见):用于说明“基于频率的”检测、特征提取与滤波策略。
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