Temporal describes intensity over which time domain?

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Multiple Choice

Temporal describes intensity over which time domain?

Explanation:
Temporal describes how intensity varies over time. In ultrasound, that means tracking the energy from the moment you transmit the pulse through the entire listening period when echoes are received. So the time-domain description covers all of that—both the transmit phase and the receive phase—rather than just one part. The other options point to time-invariant aspects or to spatial variation (across the cross-section), which are not what temporal refers to.

Temporal describes how intensity varies over time. In ultrasound, that means tracking the energy from the moment you transmit the pulse through the entire listening period when echoes are received. So the time-domain description covers all of that—both the transmit phase and the receive phase—rather than just one part. The other options point to time-invariant aspects or to spatial variation (across the cross-section), which are not what temporal refers to.

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