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Updated: Jul 15, 2026

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生物信号的时间扭曲分析:方法和应用

Aleksei Krotov1, Reza Sharif Razavian2,3, Mohsen Sadeghi3

  • 1Department of Bioengineering, Northeastern University, Boston, USA. krotov.a@northeastern.edu.

Scientific reports
|April 5, 2025
PubMed
概括

弹性功能数据分析 (EFDA) 提供了一种新的方法,通过时间扭曲来分析生物信号,揭示隐藏的特征,并比传统方法更有效地分离时间和空间的变化.

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相关概念视频

Basic Operations on Signals01:22

Basic Operations on Signals

Basic signal operations include time reversal, time scaling, time shifting, and amplitude transformations. These operations are fundamental in signal processing and analysis.
Time Reversal mirrors a continuous-time signal about the vertical axis at t=0. This is achieved by substituting t with −t. For example, if a signal x(t) is considered, the time-reversed signal is x(−t). This operation can be graphically represented, showing the mirrored signal.