The result of emulation test shows that PPM control method can follow the change of ion concentration for the purposed of obtaining the indexes of small tracking error and short adjustment time.
仿真试验结果表明，PPM加药控制方法可以中和系统离子浓度的变化，达到跟踪误差小，调节时间短等性能指标。
So, it becomes a main support method for measurement and test of laser tracking and raging equipment assembly, and give out the results of error slope curve.
成为激光跟踪测量设备装配检验和测量的依托手段，给出误差斜率曲线的测试结果。
So, it becomes a main support method for measurement and test of laser tracking and raging equipment assembly, and give out the results of error slope curve.
成为激光跟踪测量设备装配检验和测量的依托手段，给出误差斜率曲线的测试结果。
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