V2EX demodulation

Demodulation

释义 Definition

解调:把调制在载波上的信号(如无线电、音频或数据)从载波中提取出来,恢复为原始的基带信息(例如声音、图像或数字数据)。常见于无线通信、广播、雷达与电子测量等领域。

发音 Pronunciation (IPA)

/dimdlen/

例句 Examples

Demodulation converts a radio signal into sound.
解调把无线电信号转换成声音。

Accurate demodulation is essential for recovering data in a noisy communication channel.
在有噪声的通信信道中,精确解调对恢复数据至关重要。

词源 Etymology

来自 **de-**(表示“去除、反向”)+ modulation(调制)。字面意思是“把调制去掉”,也就是从被调制的载波中“还原”出信息。

相关词 Related Words

文学与著作 Literary Works

  • John G. Proakis & Masoud Salehi, Digital Communications(讨论多种数字调制与解调方法)
  • Simon Haykin, Communication Systems(系统性讲解调制/解调与接收机原理)
  • B. P. Lathi & Zhi Ding, Modern Digital and Analog Communication Systems(涵盖模拟与数字通信中的解调技术)
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