V2EX signal processing

Signal Processing

释义 Definition

signal processing信号处理;指对信号(如声音、图像、传感器数据、通信波形等)进行分析、变换、滤波、压缩、检测或增强的技术与方法。常见于电子工程、通信、音频、医学成像与机器学习等领域。

发音 Pronunciation (IPA)

/snl prses/

例句 Examples

Signal processing helps remove noise from audio recordings.
信号处理可以帮助去除音频录音中的噪声。

Modern signal processing enables smartphones to recognize speech and stabilize video in real time.
现代信号处理使智能手机能够实时进行语音识别并稳定视频画面。

词源 Etymology

signal 源自拉丁语 signum(“标记、符号”),经法语进入英语,表示“用于传递信息的标志/信号”。
processing 来自 process(“过程、处理”),与拉丁语 processus(“推进、进程”)相关。两者组合成 signal processing,字面即“对信号进行处理”,在20世纪随通信与电子技术发展而成为常用术语;其中 **digital signal processing (DSP)**(数字信号处理)在计算机与数字通信时代尤为核心。

相关词 Related Words

文学与著作中的用例 Literary & Notable Works

  • Alan V. Oppenheim & Alan S. Willsky,《Signals and Systems》:系统性讨论信号与系统分析,是相关课程经典教材。
  • Alan V. Oppenheim & Ronald W. Schafer,《Discrete-Time Signal Processing》:离散时间信号处理与DSP领域的代表性教材。
  • Richard G. Lyons,《Understanding Digital Signal Processing》:面向工程实践的数字信号处理入门与深化读物。
  • Steven W. Smith,《The Scientist and Engineer’s Guide to Digital Signal Processing》:以直观方式讲解DSP概念与应用,广为引用。
  • IEEE Signal Processing Magazine(期刊):大量文章直接使用并讨论 “signal processing” 作为领域名称与核心主题。
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