The Impact of the AFE BPF in Ultrasound Harmonic Imaging: An In-Vitro Phantom Study

Meiyi Zhou,Peiran Chen,Andreas M.A.O. Pollet,Sotir Ouzounov,Simona Turco,Jaap M.J. Den Toonder,Massimo Mischi,Eugenio Cantatore,Pieter Harpe

2021 IEEE Biomedical Circuits and Systems Conference (BioCAS)（2021）

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摘要

Ultrasound harmonic imaging (UHI) employs nonlinear components in received echoes to improve image quality. Those harmonic signals are often weaker than the signal at the original transmission frequency. To maximize the received harmonic signals, a bandpass filter in the analog front-end (AFE BPF) can be used at an early stage to suppress the signals of less interest, enabling further amplificatio...

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关键词

Band-pass filters,Integrated circuits,Ultrasonic transducers,Ultrasonic imaging,Imaging,Prototypes,Phantoms

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