vibration band

Under this circumstance, funded by the State Key Development Program for Basic Research of China ( 973 program), this dissertation addresses the vibration band gaps in periodic structures using the Phononic crystals theory.

本文以此为背景，在国家重大基础研究项目（973项目）的资助下，提出利用声子晶体理论对周期结构的振动带隙特性进行深入研究。

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Study on a Ku band miniature low phase noise frequency synthesizer vibration isolation system

Ku波段小型低相噪频综器隔振研究

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It is found the composite material rod exhibits torsional vibration band gaps.

发现一维声子晶体具有扭转振动带隙,并且分析了椭圆形状对带隙频率的影响.

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Characteristics of horizontal vibration of saw in band mill takeup

带锯机张紧系统锯条横向振动特性的研究

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The urban rail traffic is not very fast, and then this range of short wave length is exactly corresponding to the main frequency band of vibration from the traffic.

城轨车速较低，这个短波长段恰恰对应城轨交通环境振动的主要频带。

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By analyzing the vibration band structure of infinite periodic mass-spring structure, it is discovered that the structure have vibration band gaps which are similar with elastic band structure of phononic crystals, and the vibration of such frequencies within band gaps can not be transmitted.

无限周期弹簧振子结构具有和声子晶体类似的振动（弹性波）带隙，带隙频率范围内的振动（弹性波）在该结构中无法进行传播。

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Using Super Fluoresent Source to Measure Infrared Vibration-Rotation Spectrum of HCN 2 v_3 Band

用超荧光光源实现HCN分子2（v3）带红外振转谱测量

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Uttered with vibration of the vocal band d.

用轻柔的嗓音讲话的(声带不震动的).

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At the same time, monitoring system provides full position and wide band of vibration data to PC Analysis System. Time domain analysis and frequency domain analysis based on these data. Monitoring parameters can be revised.

监控系统又同时向上位分析系统提供全方位全频段的振动数据，这些数据作为风电机组振动的时域分析、频谱分析依据，并进一步修订监控参数，提高风电机组监控的控制精度和技术水平。

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In 2009, wide band of vibration pattern and opportunity possible.

2009年, 宽幅震荡格局和波段性的机会成为可能.

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