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- Resonance frequency of antenna 天线谐振频率
- 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；
- 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。
- 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。
- 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。
- Through analyzing the connatural characteristic of antenna, the factors are found that affect the natural frequency of antenna. 通过对天线固有特性分析，找到了影响天线频率的因素，为天线结构设计提供了依据；
- 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；
- 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。
- 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。
- 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。
- Finally, the vibration modes and corresponding resonance frequencies of the USM were analyzed, and the working frequency was given By the finite element method. 通过有限元方法，得到了所设计的超声马达的各阶振动模态和相应的振动频率，指出了其工作频率。
- Simulation shows that both CW and CCW waves can be locked at the resonance frequency of the resonator quickly by frequency feedback operation. 仿真结果表明 ,多次反馈频率操作 ,可以较快地锁定到谐振点
- 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。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- 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。
- 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。
- The microwave oscillator frequency is locked to the resonant frequency of loaded resonator by means of automatic frequency control (AFC). 微波振荡频率用自动频率控制 (AFC)的方法自动锁在有载腔的频率上 .
- A disc-shaped spring bearing with special constructer is designed which makes the resonant frequency of the motor adjustable. 电机采用特殊结构的盘式弹簧轴承，使电机谐振频率的设计与调整灵活方便。
