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- resonant frequency excitation. 共振频率激发
- A FFT spectrum analyzer was used to measure the resonant frequency. 试验时采用六种实大尺寸试材，共振频率之测定系利用FFT频谱分析仪。
- Detail view of sensor to measure the inner pipe's resonant frequency. 用来测量内管共振频率之感测器详图。
- Changing the structure of the excitation device can change the resonance frequency of the PZT. 通过改变压电陶瓷的结构可以改变压电陶瓷的谐振频率。
- Analysis is made on thermally excited deflection and resonant frequency of the micromachined silicon resonant sensors. 分析了硅微机械谐振式传感器在热激励下的挠曲及谐振频率变化，建立了相应的数学模型，并对热挠曲灵敏度进行了优化设计。
- As this accelerometer is aiming to detect gravity gradient signal with low frequency in space, its response to lower frequency excitation is of special interests in here. 由于此类加速度计是用于测量空间重力梯度这类慢变信号的，因此还重点分析在低频信号输入时的系统响应特征。
- Capacity existing in the circuit and consequently the resonant frequency of the antenna system. 天线尺寸决定回路中的电感量和电容量,从而也决定天线系统的谐振频率。
- The firmness of watermelon can be nondestructively evaluated by measuring the resonant frequency of the watermelon. 西瓜的硬度可以通过检测其固有频率得到。
- Qf value and temperature coefficient of resonant frequency decreased gradually as (Lii/2Ndi/2)TiO3 content increased. Qf值和谐振频率温度系数随(Li_(1/2)Nd_(1/2))TiO_3含量增加而线性下降。
- Keywords: ultrasound, achilles tendon, mechanical properties, resonant frequency. 关键词：超音波、阿基里斯腱、机械特性、共振频率。
- The results showed that the resonant frequency decreased slightly with increased number of mortise holes. 此一结果将有助于对老旧建材弹性留存率之评估，有助于此等建材之有效再利用。
- The line with an impedance of approximately 37.5 ohms around 2000 Hz is this driver resonant frequency (Fs). 该线与一阻抗约37.;5欧姆左右，2000年赫兹这是司机的谐振频率（财经事务）。
- The existence of components decreases the shielding effectiveness and resonant frequency. 元件的存在使得机箱的屏蔽效能降低，谐振频率下降。
- This capacitance in conjunction with the inductance forms a "self resonant frequency" for your loop or inductor. 这电容在连接以感应性形成"自已谐振频率"为您的圈或感应器。
- In other words,for a desired resonant frequency,the IE-AMC structure cell size is only about 30-40% of conventional structure. 换句话说,设计具有同样谐振频率的AMC结构单元,使用这种结构的单元尺寸仅为普通结构的30~40%25左右。
- The resonant frequency of the impeller blades of APU load coInPressoris a target index necessary to be controlled in the process of themaintenance of iIllPeller. APU负载压气机叶轮叶片的共振频率是维修叶轮过程中需要控制的一项指标。
- A New Type Generator with Slip Frequency Excitation 新型的转差频率励磁发电机
- The complex resonant frequency and radar cross abation(RCS)are formulated by spectral domainapproach of periodic structure. 运用无限周期结构的诸城法建立起微带阵列天线的复谐振频率和雷达散射截面公式。
- In order to make the RF source and the waveguide have the same resonant frequency,the automatic frequency control(AFC)system is used. 为了使得射频源和波导管的频率保持一致 ,采用了自动频率控制系统 (AFC)。
- To raise(atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency. 充能把（离子或分子）暴露在一个共振频率的电磁辐射下使其提高到一个较高的能量等级
