Powder dictionary (pdCIF) version 1.0.1

_pd_calibration_conversion_eqn

Definition:

   The calibration function for converting a channel number
   supplied in _pd_meas_detector_id for a position-sensitive
   or energy-dispersive detector or the distance supplied in
   _pd_meas_position to Q, energy, angle etc.
   Use _pd_calib_std_external_ to define a pointer
   to the file or data block containing the information used
   to define this function.

; 2\q~actual~ = 2\q~setting~ + arctan(
             cos(P~1~) / {1/[P~0~ (CC - CH~0~ - P~2~ CC^2^)] - sin(P~1~)} )
;

Type: char

Category: pd_calibration