A novel broad - band omnidirectional monopole antenna with dual - frequency is presented.

文章介绍了一种新型宽带双频全向单极天线.

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Dual - frequency antenna is indispensable part to transient process from 2 G to 3 G.

双频天线是移动通信系统由2G向3G过渡过程中不可缺少的部分.

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This method is suitable for the elementary diagnostics of a atmospheric - pressure plasma.

双频点微波透射衰减诊断法适用于大气压等离子体的初步诊断.

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Noncontact two frequency transmitter and receiver were developed.

研制了双频不接触电极发射机与接收机.

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This equipment uses frequency conversion timing control system.

本设备采用双频调速控制系统.

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A symmetrical common - path heterodyne interferometry is proposed traverse Zeeman laser and a high - speed phase measurement technology.

提出了一种对称共路双频外差干涉测量硬盘磁头飞行高度的方法,用于在线检测磁头飞行高度瞬态调制变化.

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This control system is main up of high capability digital frequency conversion timing.

本控制系统由高性能数式双频调速器构成控制主体.

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The ratio of these two frequencies is 1∶1.31 and both frequencies have the same linear polarization.

并优化出双频工作天线,双频比为1∶1.31,而且具有同向的线极化.

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Doublefrequency and threefrequency ultrasonic irradiation can significantly improve sonochemical yield with remarkable enhancement effects.

双频、三频正交超声辐照能显著地提高声化学产额,具有明显的增强效应.

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A novel three - phase power factor correction with double frequency is proposed in this paper.

文中提出了一种新型的双频 三相 全桥功率因数校正器拓扑结构.

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When the force is smaller than a critical amplitude of the fold will be attenuated.

大于此临界值,则会形成双频褶皱波型.

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The process of dual frequency electromagnetic forming with small cross section rod feeding is studied.

研究了金属熔体的小截面送料双频电磁成形过程.

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Dual band mobile phones can work on networks that operate on different frequency bands.

双频手机可以在不同波段的网络中使用.

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The CPW - fed dual - band monopole antenna discussed consists of two parallel monopoles fed by a CPW line.

共面波导馈电双频单极子天线由两个平行的单极子构成,通过一条共面波导馈线馈电实现双频工作.

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Correlation and agreement between bispectral index and state entropy of the electroencephalogram during propofol naesthesia.

异丙酚麻醉期间,脑电的双频指数和状态商指数之间的相关性和一致性.

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