After control method of special electromagnetism parameter is proposed, we introduce the basis chosen of SPWM frequency conversion & IGBT power module.
接着介绍了SPWM交—直—交变频的控制方案和选用IGBT电力模块的依据。
Finally, based on above model, an example of the expert knowledge expression of efficiency object parameter in electromagnetism design of asynchronous electromotor is presented.
最后，文章给出了按上述模型建立的异步电动机电磁设计中有关效率目标参数专家决策经验的知识表示实例。
How the analysis and processor of ELINT to adapt the change of the parameter character of outfield radar is discussed according to the new electromagnetism environment.
根据新的电磁环境下外场雷达信号参数的特点，对侦察装备的信号分析与处理应该如何适应这一变化进行了讨论。
Based on the classical theory of electromagnetism, the relation and the difference between OAM and the parameter of the beam in paraxial approximation are analyzed.
从经典电磁场理论出发，主要介绍了傍轴近似条件下，光束的轨道角动量和光束的参数之间的关系。
In the electromagnetism flowmeter logging, the casing collar curve is ordinary logging parameter for rectifying logging data depth.
在电磁流量计测井中，套管的接箍曲线作为常规的测井资料进行测量，用于测井曲线深度校正。
In the electromagnetism flowmeter logging, the casing collar curve is ordinary logging parameter for rectifying logging data depth.
在电磁流量计测井中，套管的接箍曲线作为常规的测井资料进行测量，用于测井曲线深度校正。
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