Ultrasound Dosimetery Using Microbubbles
作者： E. Rezayat , E. Zahedi , J. Tavakkoli
DOI: 10.1007/978-3-642-21729-6_93
关键词: Background noise 、 Microbubbles 、 Amplitude 、 Harmonic 、 Acoustics 、 Ultrasound 、 Transducer 、 Calibration 、 Nonlinear resonance 、 Materials science
摘要: In this paper, a new technique based on nonlinear resonance of microbubbles is investigated in order to estimate the amplitude an ultrasound wave pressure field. First, existing theoretical model reviewed. Then, experimental setup consisting bubble generator and transmitting/receiving transducers operating 1 MHz frequency range described. The effect background noise also taken into account. Results show that second harmonic oscillations are detectable, paving way develop quantitative method for vivo calibration waves.
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