2. Conventional ultrasonic methods
In what follows, conventional (as opposed to multi-element) methods are used to describe techniques employing single-element planar contact or immersion transducers. The aim here is to review the principles of ultrasonic beam formation and to introduce the characteristic translator parameters involved.
2.1 Translator settings
Classically, ultrasound is produced by exploiting the piezoelectric effect
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Conventional ultrasonic methods
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