Simulation analysis was carried out for the variable speed pump-control-motor hydraulic system. Mathematic models of inverter, asynchronous motor, fixed pump and load were set up.
本文对变转速泵控马达液压系统进行了仿真分析，建立了系统中变频器、异步电动机、定量泵、马达以及负载的数学模型。
A process simulation software of phosgene synthetic unit and corresponding mathematic models were developed, which were successfully used in field production unit simulation.
开发了光气合成生产装置流程模拟软件及相庆的数学模型，并成功地用于现场生产装置的模拟计算。
This paper descripes simulation of some kinds transducers using a microcomputer based on the finite element method and sets up the clear mathematic models for the optimum designs.
通过微型计算机，用有限元法计算某类传感器，为优化设计建立一个清晰的数学模型。
This paper introduces the major mathematic models of synthetic prediction of crop yield, including separation of trend factor and trend yield, simulation of trend yield;
介绍了农作物产量综合预测的建模思路以及建模各阶段的主要算法。包含农作物产量预测的趋势因子和趋势产量的分离；
This paper introduces the major mathematic models of synthetic prediction of crop yield, including separation of trend factor and trend yield, simulation of trend yield;
介绍了农作物产量综合预测的建模思路以及建模各阶段的主要算法。包含农作物产量预测的趋势因子和趋势产量的分离；
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