time-gain compensation

(redirected from attenuation compensation)

time-·gain com·pen·sa·tion (TGC),

in ultrasonography, an increase in receiver gain with time to compensate for loss in echo amplitude with depth, usually due to attenuation.
References in periodicals archive ?
Based on this, attenuation compensation for least-squares reverse time migration is implemented [16].
Figure 12 shows the improvement in attenuation compensation of a 1 dB device.