理论分析表明,谐闪耀光栅谐振波长数目随谐波数增加而增加,因此可用于多波长斜光束的高效耦合;
Theoretical analysis shows that the number of working wavelength will increase with the increment of the harmonic number of the harmonic blazed grating.
本文分析了内燃机曲柄连杆机构往复运动件的高谐次运动对轴系惯量变化和固有频率的影响,并对一多缸机轴系进行了扭振计算。
The effects of high order motions of reciprocating parts on the variation of inertias and natural frequencies of crankshaft system are discussed in this paper.
不对称静子叶片分布非谐设计下,转子所受到的激振力由静子叶片均布情况下的单频率高幅值激振力转变为多频率成分低幅值激振力。
To reduce the dynamic stress of rotor blades under the wake of front stator vane, an asymmetry stator mistuned design was conducted.
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