QART: Scaling for Quad Artifacts.
-a aVal [0.0] Amplitude Adjustment.
-f fVal [0.0] Phase Adjustment.
Automatic Value Determination:
-auto Automatic a and f.
Freq-Domain Region for Auto Mode:
-x1 xLoc1 [1] First Point to Use.
-xn xLocN [SIZE] Last Point to Use.
-y1 xLoc1 [1] First Slice to Use.
-yn yLocN [Y1] Last Slice to Use.
Time-Domain Region for Auto Mode:
-head skipPts [0] Points to Skip.
-size tSize [ALL] Points to Use.
Parameter Limits for Auto Mode:
-aMin [-0.01] Minimum A Value.
-aMax [+0.01] Maximum A Value.
-aCnt [16] A Increment Count.
-fMin [-0.01] Minimum F Value.
-fMax [+0.01] Maximum F Value.
-fCnt [16] F Increment Count.
Formula:
R' = R
I' = (1+a)*I + f*R
