频率响应

Natural frequency and dynamical respond of the pipeline structure are also analysed and calculated.

对管道结构的固有频率和动力响应也进行了分析与计算。

The relationship between oscillation frequencies and relative humidities was measured with a RC oscillatory circuit for the polymeric humidity sensor.

结果表明，传感器除了具有响应快、滞后小、灵敏度高等优点外，在它遇水汽结露后，返回各相对湿度时其电参量仍几乎不变，即具有极好的耐水性；在20％—90％RH范围内，传感器的振荡频率与相对湿度的关系几乎是线性的。

By the finite element method model, Natural frequency and vibration model of some project fin-stabilitde sabot-discarded penetrator during launching are calculated and analyzed.

利用建立的三维有限元模型，计算分析了30阶尾翼稳定脱壳穿甲弹的振动固有特性，得到了各阶振动的固有频率及响应振型。

The performance of magnetic levitation is determined mainly by the characteristic of its controller and solving the problems of the high precision, high esponse frequency, output immune from the disturbance, the parameter perturbation and the uncertain factors from outside is very difficult. The traditional methods can not meet the needs of the system. So it has great significance to study the control method of magnetic levitation.

磁悬浮系统性能的优劣很大程度上取决于控制器的特性，高精度、高响应频率和输出不受外界干扰的特性以及磁悬浮中参数的摄动和外界不确定的干扰因素都是难以解决的棘手问题，传统控制难以满足系统要求，因此对控制方法的研究有其非常重要的意义。

The performance of magnetic levitation is determined mainly by the characteristic of its controller and solving the problems of the high precision, high response frequency, output immune from the disturbance, the parameter perturbation and the uncertain factors from outside is very difficult. The traditional methods can not meet the needs of the system. So it has great significance to study the control method of magnetic levitation.

磁悬浮系统性能的优劣很大程度上取决于控制器的特性，高精度、高响应频率和输出不受外界干扰的特性以及磁悬浮中参数的摄动和外界不确定的干扰因素都是难以解决的棘手问题，传统控制难以满足系统要求，因此对控制方法的研究有其非常重要的意义。

Lastly, we design a mechanical testing apparatus and tested some key components of vacuum vessel such as bellows, ports and support using photoelasticity and resistance strain gauge. From the test we have got lots of experimental data, which are very important for the design of vacuum vessel.

同时从结构动力学和疲劳设计的角度，分析了真空室的固有振型、频率及真空室在瞬时电磁力、地震载荷等动态载荷作用下的响应问题，理论给出了真空室在使役期内的疲劳用度累计损伤系数，评价了真空室的疲劳寿命情况。

The invention can improve the response frequency of servo control system, simplify the design, and improve the service life with easy maintenance, short time for changing roller when the belt steel is between two working rollers, and improved working efficiency of planisher.

本发明大大地提高了伺服控制系统的响应频率，简化了设计，使用寿命长，便于点检工人观察，为维护检修提供了极大的方便，换工作辊的时间极其快捷，并可实现带钢在两个工作辊之间的状态下更换工作辊，提高了平整机的作业率。

The simulation and part of experiment results show that this kind of optical current sensor has a good response waveform and amplitude, frequency characteristics in proper parameters.

仿真和部分实验结果表明此种光学电流传感器在合适参数下具有较好的响应波形以及幅值、频率特性。

The precision is improved by selecting the proper frequency and bandwidth, calibrating the initial parameter and compensating the errors. Compared with the conventional method, it has high sensitivity and rapid responsibility. Experimental measurements show that it is fit for practical engineering application.

通过选择合适的测量频率和带宽、对初始参数校准和误差补偿等方法提高了测量的精确度，与传统的倾角仪相比具有很高的灵敏度和响应速度，实验表明可满足实际工程应用要求。

In the analysis resonant frequency, modal loss factor and harmonic response of structures are studied.

在分析中分别针对结构的固有频率、模态损耗因子以及简谐响应进行了研究。

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。