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。
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。
Based on the Kilman filter theory and Muskingum method, the half self adaptive updating Kilman filter model of channel flow routing has been developed for real time application of flood forecasts.
提出和讨论了基于马斯京根流量演算河道洪水实时预报的半自适应滤波模型。
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