Time Gain Compensation primarily adjusts what aspect of the echo signal?

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Multiple Choice

Time Gain Compensation primarily adjusts what aspect of the echo signal?

Explanation:
Time Gain Compensation addresses depth-dependent attenuation of the echo signal. As the ultrasound wave travels deeper, tissue absorption and scattering weaken echoes. TGC applies increasing amplification with time (depth) so echoes from deeper structures are boosted more than those from near structures, producing a uniform image brightness. It doesn’t change the transmitted frequency, the signal’s phase, or the pulse duration, which are set by other aspects of the system.

Time Gain Compensation addresses depth-dependent attenuation of the echo signal. As the ultrasound wave travels deeper, tissue absorption and scattering weaken echoes. TGC applies increasing amplification with time (depth) so echoes from deeper structures are boosted more than those from near structures, producing a uniform image brightness. It doesn’t change the transmitted frequency, the signal’s phase, or the pulse duration, which are set by other aspects of the system.

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