您要查找的是不是：
- The Preliminary Research about Natural Frequency Decrease in Satellite Vibration Test when Excitation Level Increased 随振动量级增加卫星结构频率下移的分析
- Natural frequency decrease 频率漂移
- It is the natural frequency of emission of the hydrogen atoms in space . 这是空间氢原子“释放”的自然频率。
- A new method based on the frequency decrease rate for fast identification of site liquefaction from surface acceleration records was presented. 摘要提出了一个以频率下降率为基本指标的依据强震记录快速识别场地液化的新方法。
- And then the lower limit of the frequency decrease rate was derived, and the last identification method of site liquefaction from surface acceleration records was proposed. 基于强震记录快速识别场地液化的方法，并用实际地震记录对其可靠性进行了分析。
- It is the natural frequency of emission of the hydrogen atoms in space. 这是空间氢原子“释放”的自然频率。
- The natural frequency of specimen decreases as the crack length increases. 随着裂纹长度的增加，试样的固有频率逐渐减小。
- The aftershock frequency decreases regularly with time. 余震的频度随时间有规律地减少。
- But when the electrode thickness increase continuously, the center frequency decrease, besides, shape of filter response will be damped because of mass loading. 但是，当电极重量持续增加时，除了中心频率继续下降外，滤波器的波形也会变差。
- Equation (4-198) yields a first approximation for the change in the natural frequency of vibration. 方程（4－198）给出了一级近似下的固有振动频率的改变量。
- The swing is a pendulum with a single natural frequency depending on its length. 秋千是只有一个固有频率的摆，此频率决定于它的长度。
- Equation(4-198)yields a first approximation for the change in the natural frequency of vibration. 方程(4-198)给出了一级近似下的固有振动频率的改变量。
- The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline. 利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
- Keywords: micro-gyroscope, silicon single crystal, three-axis angular-rate sensing, natural frequency and mode shapes. 关键词：微型陀螺仪、矽单晶、三轴角速率感测、振动自然频率与模态。
- The natural frequency of horizontal drift of moored systems is far lower than that of the first order motion. 系泊船舶的水平慢漂运动的自然频率远低于一阶运动的自然频率。
- The lower the natural frequency of the FST is, the better the performance of vibration isolation is. 浮置板系统的固有频率越低，隔振性能越好。
- The natural frequency of a RCB is an important indicator to discriminate a RCB is damaged or not. 曲率模态振型和应变模态振型对于钢筋混凝土梁的局部损伤较位移模态振型敏惑。
- The natural frequency is one of the parameters characterizing the feature of the anti rolling tank. 通过比较可控被动式减摇水舱几种常见的固有频率选取方法,提出了一种新的选取方法。
- It is concluded that the long and flat shape of the interlayer decreases the first bend natural frequency. 分析指出一阶整体纵向弯曲固有频率偏低是由夹层的扁平长结构导致。
- Increases in magnetic field frequency decreases the capability of the dis-type MR fluid damper to reduce rotor vibration. 随着磁场频率的增大，盘型磁流变流体阻尼器抑制转子振动的能力减小。
