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10 Cards in this Set
- Front
- Back
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What is another name for the far zone?
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Fraunhofer zone
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What Q factor do we get with a wider bandwith
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A low Q factor
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What is one advantage of an
Annular phased array transducer? |
Superior image quality at all depths
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What is the beam doing in the far field?
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Diverging
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Beam width at any location depends on three things
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Aperture
Frequency Distance from transducer |
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More backing material does what to pulses?
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shortens them
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Resonant frequency is to the left, right, center, top or bottom of the bandwidth?
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Center
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A thinner crystal gives you a higher or lower frequency
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Higher
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Resonant frequency is also known as?
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The natural frequency
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What does the damping layer do?
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reduces ringing
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