What is the effect of decreasing the acoustic scan line density on temporal resolution?

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Multiple Choice

What is the effect of decreasing the acoustic scan line density on temporal resolution?

Explanation:
Temporal resolution is about how quickly you can refresh the image to track motion, i.e., the frame rate. Scan line density tells you how many lines are needed to form each frame. When you decrease the density, you collect fewer lines per frame, which shortens the time to acquire a frame. That raises the frame rate, giving you better temporal resolution. The trade-off is that spatial detail can suffer because the image is sampled more sparsely, but the question focuses on temporal performance, which improves with lower line density.

Temporal resolution is about how quickly you can refresh the image to track motion, i.e., the frame rate. Scan line density tells you how many lines are needed to form each frame. When you decrease the density, you collect fewer lines per frame, which shortens the time to acquire a frame. That raises the frame rate, giving you better temporal resolution. The trade-off is that spatial detail can suffer because the image is sampled more sparsely, but the question focuses on temporal performance, which improves with lower line density.

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