A Synchronous Detection Algorithm for Quasi-Periodic Signal Components and Its Application in Photoplethysmographic Imaging.
IEEE Transactions on Instrumentation and Measurement（2022）
关键词
Time-frequency analysis,Harmonic analysis,Delay effects,Frequency measurement,Transforms,Time measurement,Heart rate,Hilbert transform,lock-in amplification (LIA),photoplethysmographic imaging (PPI),synchronous detection
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