V2EX band-pass

Band-pass

释义 Definition

带通的;带通滤波(器):指允许某一段频率范围(频带)内的信号通过,同时衰减低于或高于该范围的频率成分。常见搭配为 band-pass filter(带通滤波器)

发音 Pronunciation (IPA)

/bnd ps/

例句 Examples

Use a band-pass filter to keep only the frequencies you need.
使用带通滤波器,只保留你需要的那些频率。

In the audio chain, a carefully tuned band-pass stage reduces rumble and hiss while preserving the clarity of speech.
在音频处理链路中,精心调校的带通级可以降低低频轰鸣与高频嘶声,同时保留语音的清晰度。

词源 Etymology

band-passband(频带、带状范围)pass(通过) 组合而成,字面意思就是“让某个频带通过”。该术语主要在电子工程、通信与信号处理中使用,用来描述滤波器或系统的频率选择特性。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Art of Electronics(Horowitz & Hill):在模拟/数字电路设计与滤波器章节中讨论带通滤波与实现方法。
  • Discrete-Time Signal Processing(Oppenheim & Schafer):在频域分析与滤波器设计相关章节中使用 band-pass 描述滤波器类型。
  • Signals and Systems(Oppenheim, Willsky):在系统频率响应与滤波概念中出现 band-pass(带通系统/带通滤波)。
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