Itshould be noted that not only the time harmonics but also the space harmonics have been taken into consideration in this mathematical model.
值得说明的是这些公式及其推导中既包含了时间谐波又包含了空间谐波。
Basing on the signal space model, the harmonics in power system was detected by combining the subspace rotational invariance and least squares method.
该方法以信号空间模型为基础，结合子空间旋转不变性和最小二乘法实现了电力系统的谐波检测。
A harmonic surface charge method, which combine surface charge method with space harmonics expansion, was developed for the calculation of 3d magnetic fields of deflection yoke.
将三维磁场计算的表面磁荷法和空间谐波展开技术相结合，提出了一种用于偏转线圈磁场计算的谐波表面磁荷法。
Considering azimuthal space harmonics, the finite size vane model is suggested for vane-loaded helical slow-wave structures in this paper.
考虑角向空间谐波，建立了有限厚度翼片加载螺旋线慢波结构的模型，推导出色散方程。
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。
We aslo study the effect of the applied field on recording of the first three higher order harmonics of the space charge field.
当扩散场与外加电场可比拟时，外加电场对空间电荷场的影响不大；
We aslo study the effect of the applied field on recording of the first three higher order harmonics of the space charge field.
当扩散场与外加电场可比拟时，外加电场对空间电荷场的影响不大；
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