# Tag Archives: z-calibration

## Z-calibration part 2

Curves fit the following polynomial: $latex w_x=\sqrt{w_{x0} \sqrt{B_xX^4+A_xX^3+X^2+1}}$ where $latex X= (z-g_x)/(z_{rx})$ In general we will require $latex gx$ to be negative $latex gy$ to be positive. $latex Ax$ and $latex Bx$ are correction factors and should be small. See … Continue reading

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