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1)  vibration number of times
振荡次数
2)  fractional oscillatory integral operator
分数次振荡积分
1.
In this paper the author give the weighted L p( R n) boundedness for T μ , the fractional oscillatory integral operators with rough kernels, which is defined by  T μf(x)=∫ R n e iP(x,y) Ω (x-y)|x-y| n-μ h(|x-y|)f(y) dy.
本文给出了一类带粗糙核的分数次振荡积分算子Tμ,Tμf(x)=∫RneiP(x,y)Ω(x-y)|x-y|n-μh(|x-y|)f(y)dy的加权Lp(Rn)有界性。
3)  multiple oscillation
多次振荡
4)  sub-harmonic surge
次谐振荡
5)  subsynchronous oscillation
次同步振荡
1.
In China the subsynchronous oscillation(SSO) in electric power systems has been a more serious problem than before because of the fast development of the scale of the power systems and the wide use of the(thyristor controlled) series capacitors and HVDC.
随着我国互联电网规模的快速发展,尤其是(可控)串联补偿装置和高压直流输电的广泛应用,电力系统的次同步振荡问题已经变得比较突出。
2.
The HVDC transmission system may lead to subsynchronous oscillation under certain circumstances.
高压直流输电系统在一定条件下可能引发系统的次同步振荡。
3.
By a complex torque coefficient method and eigenvalue method,without considering some windings in generator and magnetic saturation,the subsynchronous oscillation(SSO) damping characteristics and eignevalues are studied.
忽略发电机1D绕组、1Q和2Q绕组及考虑磁饱和时,利用特征值分析法和复转矩系数法计算了发电机组在次同步频率范围内的电气阻尼特性曲线和特征值,分析了发电机模型对交直流并列运行系统次同步振荡(SSO)阻尼特性的影响。
6)  sub-harmonic oscillation
次谐波振荡
1.
Especially, the sub-harmonic oscillation of the low frequency inductor current is analyzed and the method to solve this problem is proposed.
分析了变换器低频电感电流的次谐波振荡问题,并提出了抑制措施,实验验证了理论分析的正确性。
2.
The sub-harmonic oscillation of switching power supply, including its generation,the results it caused,solved techniques,and implementation,were researched systematically from different points of view.
对峰值电流模式开关电源的次谐波振荡进行了系统研究,包括其产生原因、导致后果、解决方法及具体电路实现。
补充资料:不等重复次数测定
分子式:
CAS号:

性质: 在各实验条件下进行不相同重复次数的测定。这种测定的实验安排比较复杂,但较灵活。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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