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Which of the following electrical patterns produces electronic focusing of the ultrasound beam?

The range equation explains

The purpose of the coupling medium is _____________.

Bandwidth can be increased by

Which of the following is the resolution in the third dimension of the beam?

What does the heat sterilization do to an ultrasound transducer?

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Arrays are operated in 2 ways called __________ and ____________.

What is the pulse duration of a four cycle pulse in a period of 0.5µs?

Which of the following crystals are not naturally piezoelectric?