Taking the testing stresses as the key indicators and the relevant design parameters as the updating objects, the updating theory for simulation model was studied.
研究了以在役钻机井架杆件的测试应力为重要指标，与应力有关的设计参数作为修正对象的仿真模型修正理论。
In order to realize the map building based on ultrasonic, a transmitting signal model is established and the D-S theory is used for updating the environment map.
利用超声发射信号模型，并使用d - S证据理论对环境地图进行更新，从而实现了基于超声的栅格地图创建。
Finally, starting from systematic theory, this paper makes use of technological analysis method and builds up mathematical model on equipment updating analysis.
在设备更新中，从系统理论出发，并结合实际情况，采取了技术分析方法，对设备更新进行分析建立数学模型。
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