The work principle of the motor driving airscrew is presented in the dissertation. The reasons and the method of elimination or suppression of torque pulses produced by BLDCM are analyzed.
该论文先介绍了螺旋桨驱动电机的工作原理，分析了无刷直流电机转矩脉动产生的原因及消除或抑制方法。
The system starting from the theoretical teaching, dealing with maintenance method training and breakdown elimination training, carrying out an integration of usage and maintenance training.
该系统从理论教学开始，继而进行维护方法训练和故障排除训练，实现了使用和维护训练一体化。
In this paper, in allusion to their weakness, from the Angle of clutter elimination, a simple but effective method was put forward to suppress sea clutter.
文中针对以上两种技术的缺点，从海杂波对消的角度出发，提出了一种简单而有效的海杂波抑制方法。
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