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- fundamental series resonance frequency 基音串联谐振频率
- series resonance frequence 串联谐振频率
- series resonance frequency 串联谐振频率
- In the end, by studying the load character of contactless electrical power deliver system, this paper designs the high frequency full-bridge series resonance converter. 最后,文中详细分析了无接触电能传输系统的负载特性,进而设计出用于无接触电能传输系统的高频全桥串联谐振逆变器的拓扑结构。
- It is indicated that the conventional method of DC withstand voltage test is defective for the acceptance test of XLPE cables, and the frequency-modulated series resonance test of 2U_0, 5 min is more appropriate for the said purpose. 指出交联聚乙烯绝缘电缆的交接试验沿用传统的直流耐压试验方法存在不足,较合适的方法是进行2U0,5 min的调频串联谐振试验。
- Based on principium of medium loss measurement,principium of series resonance is analyzed,and device layout of current mutual inductance used in high voltage medium loss measure is presented. 在介损测量基本原理的基础上,分析了串联谐振的基本原理,提出了电流互感器进行高电压介损测量时的设备配置,结合典型事例给出了测试结果。
- 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 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。
- series resonant frequency 串联谐振频率
- 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。
- 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。
- By correctly sizing the cavity and aperture, the device can be made series resonant at any desired frequency. 通过适当选择空腔和入口孔的尺寸,可保证在要求的频率下获得共振状态。
- 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。
- Junming Sun, Hitoshi Konishi. Series Resonant High-Volatage ZCS-PFM DC-DC Converter for Medical Power Electronics. 苏鹏声等.;高压谐振型DC-DC变换器的调压调频控制方案
- Results The change relations between resonance frequencies and load of longitudinal-torsional ultrasonic motor were got. 结果得出了纵扭复合型超声马达谐振频率与负载的变化关系。
- First of all, the basic operating principle of series resonant converters is discussed in detail. 首先,以半桥架构为例,分析串联谐振转换器电路。
- 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。
- 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;