V2EX demodulator

Demodulator

释义 Definition

解调器:把经过“调制”的信号(如把信息附着在载波上的无线电信号)还原成原始信息的设备或电路。常见于收音机、通信系统、数据传输等。(也可指软件/算法层面的解调模块。)

发音 Pronunciation (IPA)

/dimdjletr/

例句 Examples

The receiver uses a demodulator to recover the audio signal.
接收机会用解调器把音频信号还原出来。

In a digital communication system, the demodulator extracts the transmitted bits from a noisy carrier and passes them to the decoder.
在数字通信系统中,解调器会从带噪声的载波中提取出发送的比特,并将其传给译码器。

词源 Etymology

demodulator 来自 **de-**(表示“去除、逆转”)+ modulate(“调制”)+ -or(表示“执行者/器件”)。字面意思就是“把调制去掉的人/器件”,即“解调器”。

相关词 Related Words

文学与著作中的用例 Literary / Notable Works

  • The Art of Electronics(Horowitz & Hill):在模拟与数字通信相关章节中讨论解调与解调器电路。
  • Communication Systems(Simon Haykin):在调制/解调理论与接收机结构中频繁使用 demodulator
  • Digital Communications(John G. Proakis):在数字接收机与检测/解调部分使用 demodulator 作为核心术语。
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