It is shown that a FEL operation is possible in this wiggler by using higher harmonics.
初步论证了利用该摆动器产生高次谐波相干辐射的可能性。
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量，使其矢量角均匀变化，减小电压波形中的高次谐波分量。
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