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。
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