The theoretical and experimental results are presented, which show the low axial ratio and low loss characteristics over octave frequency band of the polarizer.

给出理论和实验结果，证明了这种四层曲折圆极化器可以在倍频程范围内得到良好的低轴比、低损耗特性。

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It shows that the modal shape and mode frequency are highly coupled with the VIV response of a Marine riser with low mass ratio.

该模型的计算结果表明，立管的模态振型、模态频率与涡激振动响应高度耦合，并且对于低质量比的情况尤为明显。

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Experimental results indicate that tiny feeding, low voltage, low duty ratio and high frequency have important effects to increase the truing precision.

实验结果表明最后整形阶段的微小进给量及低电压、低占空比和高频率的电参数对提高整形精度具有重要作用。

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