谐振的

Based on the analysis of some configurations of the lossless snubber circuit, a lossless snubber circuit topology is proposed, corresponding theoretical analysis, simulation and experiment on IGBT is carried out.

在对已有的无损耗缓冲电路分析基础上提出了一种适用于IGBT的谐振无损耗缓冲电路的拓扑结构，并进行了理论分析和实验研究。

The spherical aberration of thermal lens of the active media influences the mode profile, the single-pass loss, the output power and other properties of a laser system.

激光晶体热透镜的球差效应会影响谐振腔的输出光束质量，以及腔内损耗和输出功率等特性。

It is found that the levitation force can be remarkably enhanced by choosing optimum value of R or D, and the possibility of this enhancement for spherically curved reflectors is the largest.

发现通过选择最优化的R或D值，可以显著提高声悬浮力，并且谐振模式数越小，反射端截面半径越大，提高的程度就越大。

The interferegram sequence with different motion phases is collected via stroboscopic photography.

提出一种基于傅里叶变换的频闪显微干涉测试方法，对微谐振器和微悬臂梁的离面运动进行测试研究。

By using the perturbation analysis procedure, it has been provided that, due to the regulating by the cubic nonlinearities, some parametric ranges in which 3-times superharmonic vibration arises exist in the system.

由於立方非线性对系统的调节，系统存在出现3倍超谐振动的参数域。

If the excitation amplitude is constant and the excitation frequency is close to 3-times resonance frequency, the effect of the 3-times superharmonic resonance on the system response increases greatly.

当激励幅值不变、激励频率逐渐接近3倍超谐共振频率点时，3倍超谐振动成分对系统响应的影响逐渐增加，这表明立方非线性对系统的调节作用越来越强。

In this part, the theory and debugging process of a voltage-controlled oscillator using a syntonic cavity with high value of Q.

在这一部分，论文主要介绍了一种用高Q值谐振腔体制作的压控振荡器的原理和调试过程。

If the ultrasonic power doesn't work at the resonant frequency of mechanical syntonic system, UVC is not able to go along continuously and stably.

若超声波电源的工作频率不能自动跟踪机械系统的谐振频率，超声振动切削就无法持续稳定地进行。

Based on the FDTD method,three different potential-barrier problems including rectangular potential-barrier,deltoid potential-barrier and syntonic potential-barrier are investigated.

在此基础上，计算模拟了三种不同的势垒如方势垒、三角形势垒和谐振势垒下系统的能量变化、概率变化，再现了量子隧道效应这一重要物理现象。

Wuhan Syntony Laser Co., Ltd. is a high-tech company, which is located in China Optics Valley, specialized in supplying an extensive and complete laser processing solution and manufacturing the laser system.

武汉谐振激光有限公司是一家高科技公司，该公司设在中国光谷，专门提供了一个广泛而完整的激光加工解决方案和制造的激光系统。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。