频率响应

Windings separate high and low frequency wire networks for accurate reproduction of amplitude and phase response, while patented Xtra Low Noise?

绕组单独的高，低频率线网络的精确复制振幅和相位响应，而专利的外加功能低噪声？

Taking bridge model as an example, according to the dynamic response characteristic of lead zirconate titanate material, the PZT actuator executed exciting signal of particular frequency to vibrate the monitored component. At the same time, the signal of PZT sensor is collected and recognized to monitor its fault.

以桥梁模型为例，利用锆钛酸铅材料的动态响应特性，当对PZT驱动器施加一定频率的激励使被测构件产生振动的同时，采集和识别PZT传感器信号，即可实现其故障监测。

Based on the example of bridge model, using the dynamic response characteristic of Lead Zirconate Titanate material, the PZT actuator is executed exciting signal of particular frequency to vibrate the monitored component. At the same time, the signal of PZT sensor is collected and recognized to monitor its fault.

以桥梁模型为例，利用锆钛酸铅材料的动态响应特性，当对PZT驱动器施加一定频率的激励使被测构件产生振动的同时，采集和识别PZT传感器信号，即可实现其故障监测。

Since the natureal frequency of the structure can be obtained from any one of test points on it, ie. regardless of its position, the glueyness may be responded from the discrepancy of autospec-trum structure of the bicycle frame glued. For such a specified structure system,therefore, vibration monitoring which takes...

由于结构的固有频率可以从结构上任一试验点获取，即与试验点的具体位置无关，胶接车架自谱结构的差异可反映胶接质量的不同，因此，对于胶接自行车车架这一具体结构系统，以响应的自谱结构作为诊断特征的振动检测方法是简便可行的。

In addition, InP technology provides the following measurement benefits compared with other technologies available today: significantly flatter response at high frequencies; higher measurement accuracy because of the low-noise, nonconductive substrate; and higher reliability due to lower power consumption.

相较于其他的技术，InP技术还提供许多量测优点：在较高的频率下，可产生相当平坦的响应；低噪声的非传导性基板，可提高量测准确度；低消耗功率，可确保较高的可靠度。

This method can make sure the structure radiant sound status in total noise and the detail phonate part quickly and correctly.(3) Study on the control mechanism of structure noise radiated from rotary machines, we build a common model of rotary machine structure noise analysis relied on the general characters of rotary machines. Based on this model, we analyzed various influence factors to structure radiant noise using the union of revolution and numerical calculation method. We found that the joint stiffness between the rotor and the frame is the most sensitive parameter of structure radiant noise by calculating and analyzing.

根据本文对于旋转机械结构噪声控制技术的研究结果和惯性振动筛工作的特殊要求，对有关参数的选择进行了讨论，并通过试验为降低惯性振动筛噪声找到了两个新的方法：即，在轴间相对运动要求不高的情况下，可以在激振器与筛体之间安装一组减振器，通过适当选取减振器参数，既可以使机体在工作频率附近获得稳定振幅，保证振动筛正常工作，又可以使机体的高频响应减小，降噪效果显著；反之，如果轴间相对运动精度要求(来源：1aABC论文网www.abclunwen.com)较高，可以采用空心滚动体轴承，在保证滚动体强度的条件下也可以获得较好的降噪效果。

Dynamic properties of polymethylvinylsiloxane filled with surface-treatedsilica (SiO2) were studied using an advanced rheometric expansion system.

研究粒子填充类聚合物体系的动态粘弹响应，可在较宽应变、温度、频率范围内获得有关体系分散状态及相互作用等结构信息。

Storage devices played an important role in MicroGrid control, the inverter of battery which used droop control could provide fast power support for the islanded MicroGrid, and damped the voltage and frequency fluctuation caused by the slow dynamical response of gas turbine efficiently.

采用下垂控制策略的蓄电池在微网孤岛运行时可以快速为系统提供有功、无功支撑，有效抑制了由于燃气轮机动态响应速度慢引起的电压和频率偏差。

The U 87 Ai condenser microphone is a large diaphragm microphone with three polar patterns and a unique frequency and transient response characteristic.

这个电容mic有着大膜片和三种独立指向性和单一频率还有良好的瞬态响应的特点。

By virtue of bifurcation diagrams, Poincaré maps, orbits, time histories and frequency spectrum diagrams, the nonlinear dynamic responses of the generator rotor and hydraulic turbine rotor with coupling faults were analyzed. The results confirmed rich nonlinear motions such as periodic motion and quasi-periods with different values of parallel misalignment and declination. Moreover, the process of rub-impact is so complex that many low frequencies with large amplitude are in the range of

通过分岔图、Poincaré截面图、轴心轨迹图、时域波形图和幅值谱图系统地分析了发电机转子与水轮机转子在耦合故障下非线性动力学响应，发现机组转子系统随不对中平行量和偏角变化存在周期运动和复杂的拟周期，其碰摩过程非常复杂，机组故障特征频率除主要在1倍频外，还在0.3~0.4倍频处存在幅值较大的谐波分量。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。