V2EX frequency-division

Frequency-division

释义 Definition(中文)

频分;频率分割:一种把可用的频谱(频率范围)分成若干互不重叠的频带,并让不同信号/用户分别占用不同频带来同时传输的方式。最常见用法出现在 frequency-division multiplexing(频分复用,FDM) 等术语中。(在通信工程语境里也可作定语:frequency-division system/technique。)

发音 Pronunciation(IPA)

/frikwnsi dvn/

例句 Examples

Frequency-division lets two signals travel at the same time on different bands.
频分让两个信号在不同频带上同时传输。

In a frequency-division system, each channel is assigned its own slice of the spectrum to reduce interference.
在频分系统中,每个信道都会被分配一段独立的频谱切片,以减少相互干扰。

词源 Etymology(中文)

frequency(频率) + division(分割/划分) 构成的复合词:字面意思是“把频率范围分开”。该表达在电信与无线通信发展过程中逐渐固定,用来描述“按频率来划分资源”的方法,常与 multiplexing(复用) 搭配形成专门术语。

相关词 Related Words

文学与作品 Literary Works(出现示例)

  • Digital Communications(John G. Proakis)
  • Communication Systems(Simon Haykin)
  • Data and Computer Communications(William Stallings)
  • Modern Digital and Analog Communication Systems(B. P. Lathi)
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