The space harmonic expansion technique is used for analyzing the 3d magnetic fields of the deflection yoke.
研究了显像管等器件中偏转线圈三维磁场的空间谐波展开技术及其计算。
Representing velocities by spherical harmonic expansion on the sphere after transformation can greatly reduce the number of spherical harmonic coefficients needed.
在变换后的球面域上用球谐函数来拟合速度函数，达到降低球谐系数阶数的目的。
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。
The nonlinear vibration equation of the elastic straight bar under thermal expansion and harmonic excitation is obtained by Galerkin principle.
由伽辽金方法得到了弹性直杆热胀冷缩状态下受均布简谐激励的非线性振动方程。
Through analysis of the current waveform of the semi-control double three-phase 12-pulse rectifier and the expansion of Fourier series, the main harmonic components of the system were obtained.
通过对半控双三相12脉冲整流器的电流波形分析和傅立叶级数展开，得出系统的主要谐波成分。
Sommerfeld's wave expansion theory demonstrates that a spherical wave can be expanded as the superposition of plane simple harmonic waves.
索末菲关于波的展开理论证明，球面波可以展开为平面简谐波的叠加。
According to the theory of separation and reconstruction of wind field, the Q vector is separated accordingly in limited area using the approach of harmonic-cosine series expansion.
依据水平风场分解思路，运用调和-余弦算法，准确分解有限区域Q矢量。
Using common plane wave expansion method, Has been successful debugging. M contains files can be directly run, Pisarenko harmonic decomposition algorithm.
采用的是通用的平面波展开法，已经调试成功。内含m文件，可直接运行，Pisarenko谐波分解算法。
Using common plane wave expansion method, Has been successful debugging. M contains files can be directly run, Pisarenko harmonic decomposition algorithm.
采用的是通用的平面波展开法，已经调试成功。内含m文件，可直接运行，Pisarenko谐波分解算法。
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