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Based on the equivalent circuit, the resonance frequency equation is derived and the resonance frequency is obtained. 在此基础上，推出了弹性薄圆盘径向振动的频率方程以及振子共振频率的表达式。
The superimposition method adds a signal at its resonance frequency with a signal at the subharmonic frequency. 本研究并提出两类波形以有效诱发穴蚀效应，分别为串接法及重叠法。
Resonance frequency of the microvalve is much higher than the working frequency of the thermal actuated micropump. 分析表明本文中的微型阀的固有频率比热驱动微型泵的工作频率高得多，因此阀片的动态特性可不予考虑。
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。
Furthermore, mineral oil can reduce resonance frequency and change VSWR, but weekly affect detection performance of antenna sensor. 变压器油使天线的谐振频率有所降低，改变了天线的驻波特性，但不影响天线的检测能力；
The electronic filter attenuates the resonance frequency of the accelerometer to prevent overloading of the DA equipment. 电子滤波器可以减少加速表的谐振频率，防止DA设备过载。
Combined with the graph correlating the first resonance frequency with driving point location, the method localizes the crack by monitoring a jump in the graph. 结合裂纹梁第一阶谐振频率与驱动点位置关系曲线，利用曲线上出现的突变点，准确地识别了梁的损伤状态和裂纹损伤位置。
As the aperture width of input iris is narrowed down, SWR decreases, before reaching critical coupling, then increases, and resonance frequency also slightly rises. 输入膜片缝隙由宽变窄的过程中，驻波比由大变小，达到临界耦合后，驻波比又由小变大，且谐振频率略有升高；
Based on the property of electromagnetic waves and the electric technology, the light velocity is obtained by measuring the resonance frequency of a serried RLC circuit. 根据光的电磁波性质;结合电子技术基础;通过测量RLC串联电路的谐振频率间接测量了光速.
The study shows that the resonance frequency of the equipment can be restricted within the range of prescriptive frequency by means of adjusting the length of cavity. 研究表明：通过微调腔体长度并优化结构参数，可以将该装置的工作频率限制在规定的范围内；
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。
The oscillation fluid equations are established and the resonance frequency of the oscillation fluid is calculated with different combustion chamber shapes. 推导了燃气振荡流方程，计算了对应不同燃烧室形状下燃气振荡流的共振频率。
The experimental results show that the loss factor and damp ratio decrease,the resonance frequency increases with increase of the aperture of the piston in the damper. 对阻尼器不同孔径进行了对比试验,试验结果表明:随着活塞孔径的增大,阻尼器的损耗因子和阻尼比减小,共振频率增加。
Except that LIF can get high precision for the laser frequency stabilization, it can make laser frequency detune from one atomic resonance frequency easy and exact. 激光感生荧光稳频技术除有很高的稳频精度以外，还可以获得相对于原子共振频率的一定失谐量。
When external magnetic field direction and stress field direction are parallel,the resonance frequency is shifted to higher value,and the frequency linewidth becomes wider. 在外磁场方向接近应力场方向时，共振频率向高值方向移动，其它区域共振频率则向低值方向移动。
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。
The infuence on resonance frequencies of longitudinal-torsional ultrasonic motor exerted by prestress is studied. 摘要研究了预压力对超声马达共振频率的影响。
Combined with FEM design method, the longitudinal and bending resonance frequencies are degenerated. 驱动足处于变幅杆不同位置时驱动椭圆振动轨迹有所不同。
We can obtain high performance DRO by the aid of Ansoft Corporation Serenade 7. 0. The Oscillator has power of 8dBm, resonance frequency of 5. 06GHz,and frequency stability of 3ppm/C in range from house temperature to 60 C. 通过理论计算和计算机辅助优化;可以获得较好性能的振荡器。实现了谐振频率f_0=5.;06GHz;输出功率8dBm;从室温到60℃范围内频率稳定度可达3ppm/C。
From computation results, we find that a PEC antenna with dielectric coating or substrate will show lower resonance frequencies. 从数值结果可看出,介质涂覆金属表面或作为金属的衬底,有助于增大天线的电尺寸。