نتایج جستجو برای: hydrophone

تعداد نتایج: 756  

Journal: :The Journal of the Acoustical Society of America 1990

Journal: :The Journal of the Acoustical Society of Korea 2016

Journal: :Ultrasonics 2011
Matthew W Urban Azra Alizad Mostafa Fatemi

Vibro-acoustography is an ultrasound based imaging modality that can visualize normal and abnormal soft tissue through mapping the acoustic response of the object to a harmonic radiation force at frequency Δf induced by focused ultrasound. In this method, the ultrasound energy is converted from high ultrasound frequencies to a low acoustic frequency (acoustic emission) that is often two orders ...

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