V2EX signal-processing

Signal Processing

定义 Definition

信号处理:对“信号”(如声音、图像、传感器数据、通信波形等)进行分析、变换、增强、压缩、滤波或识别的技术与方法,目的是提取有用信息、降低噪声或便于传输与存储。(常见分支包括模拟信号处理与数字信号处理。)

例句 Examples

Signal processing helps remove background noise from voice recordings.
信号处理可以帮助去除语音录音中的背景噪声。

Modern signal-processing algorithms can detect tiny patterns in ECG data and assist early diagnosis.
现代信号处理算法能够在心电图数据中检测微小模式,并辅助早期诊断。

发音 Pronunciation

/snl prses/

词源 Etymology

signal 源自拉丁语 signum(“标记、符号”),经法语进入英语,指“传递信息的标志/波形”。process 来自拉丁语 processus(“推进、过程”),在英语中发展出“处理、加工”的含义;processing 表示“处理的过程”。合起来 signal processing 即“对信号进行处理”。

相关词 Related Words

文学与经典作品 Literary Works

  • Signals and Systems(Alan V. Oppenheim, Alan S. Willsky):经典教材,系统使用并阐释“signal processing/信号处理”的核心概念。
  • Discrete-Time Signal Processing(Alan V. Oppenheim, Ronald W. Schafer):离散时间与数字信号处理领域的重要著作。
  • Digital Signal Processing: Principles, Algorithms, and Applications(John G. Proakis, Dimitris G. Manolakis):广泛引用的数字信号处理教材与参考书。
  • The Scientist and Engineer’s Guide to Digital Signal Processing(Steven W. Smith):面向工程实践的入门与应用型经典读物。
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