The resultant sine wave is smooth enough to drive an LVDT, which attenuates any residual higher order harmonics.

合成的正弦波足够平滑到足以驱动能衰减残余更高谐波的LVDT。

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After that, the drive models of sine wave and three-state square wave were established, and the impact which caused by changing the parameters of the input signal was studied in this paper.

在此基础上，建立了系统在正弦波、三态方波输入下的驱抖模型，分析了输入信号参数的改变给系统响应带来的影响。

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