process.py 文件源码

def get_bias_coeff_from_T(self, master_bias_temp, master_bias_level,
                              frame_temp, calibrated_params):
        """
        :param master_bias_temp: Temperature of the master bias frame.

        :param master_bias_level: Median of the master bias frame.

        :param frame_temp: Temperature of the frame to correct.

        :param calibrated_params: parameters [a, b] of the
          function bias_level(T) = aT + b. T is in degrees C and
          bias_level(T) is the median of the bias frame at the
          given temperature.
        """
        calib_master_bias_level = np.polyval(
            calibrated_params, master_bias_temp)
        calib_frame_bias_level = np.polyval(
            calibrated_params, frame_temp)
        return  calib_frame_bias_level / calib_master_bias_level