For the empirical beam hardening correction in computerized tomography (ct), it is necessary to measure an attenuation curve for the material.
传统的射束硬化校正方法,通常需要针对每一种材料测量该材料对射线的吸收曲线。
The adaptive law was obtained from similarity PID parameters determined by the attenuation curve method.
该方案采用衰减曲线法进行换算PID参数整定,获得自适应调节律。
PID parameter tuning is performed based on attenuation curve to achieve the best control state.
采用衰减曲线法对被控对象进行PID参数整定,以达到最佳的控制状态。
The attenuation curve is a simple field decline analysis method although there are some certain errors when attenuation curve applied in decline analysis.
虽然衰减曲线应用于递减分析会产生一定的误差,但仍不失为一种简便的矿场递减分析方法。