使低相噪vco的设计及调试能免于低频振荡的干扰，从而有利于提高VCO的各项指标。

This makes design and producing VCOs can avoid the disturbing of low frequency oscillation, and improve the features of VCOs.

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通过选择合适的控制增益，即可在系统的其它部分仍存在振荡的情况下，可以消除谐波干扰，使系统的输出趋于收敛，达到稳定。

By properly choosing the control gains, the output tends to a standstill while the other parts of the system oscillate in such a way as to counteract the harmonic disturbance.

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小的干扰能够引发电力系统发生低频机电振荡，因此小干扰稳定是限制电力传输容量的主要因素之一。

Small signal stability becomes one of the important factors influencing transmission capacity because low frequency oscillation in power systems is always caused by small interference.

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