The componet of harmonic waves with different order in air space magnetic field has different influence on inductance value especially, when that field is strong.
气隙磁场各次谐波分量对电感数值的影响程度不同尤其空间谐波磁场很强的场合。
参考来源 - 应用绕组函数对同步电机电感量的计算·2,447,543篇论文数据，部分数据来源于NoteExpress
Parallel APF suits mostly curb harmonic waves.
并联型APF大多适合于抑制电流源谐波。
The output of Amplifier has a filter, which can inhibit the out-off-band harmonic waves and unwanted emission component.
放大器的输出接有滤波器，可有效抑制带外谐波和无用发射分量。
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。
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