谐振的

In this paper, the effects of thermal field of fast axial flow CO〓 laser are analyzed carefully and systematically.

本论文对快速轴流CO〓激光器中的热场效应进行了全面系统研究，在充分考虑热效应引起的放电工作气体负透镜效应以及谐振腔镜片正透镜效应的情况下综合分析它们对激光谐振腔振荡场模参数的影响，最后给出了在一定功率与光束发散角要求下对器件参量的要求。

The principle of the optical differentiator is that when the silicon-based annular cavity resonator meets or is close to a critical coupling state, the spectra characteristic of the silicon-based annular cavity resonator is quite similar to the differentiator within certain range with the resonant wavelength as the center.

本发明的原理是当硅基环形谐振腔满足或接近临界耦合状态时，其在谐振波长为中心的一定范围内的频谱特性是微分器的很好的近似。

Stability of resonator with thermal lensing inside is discussed by optical transmission matrix. The fluctuation range of thermal focal distance affects the laser power and the beam quality.

运用光学传输矩阵的分析方法对内含热透镜元件谐振腔的稳定性进行了分析，讨论了热焦距的波动性对激光输出功率和光束质量的影响，提出了固体激光器谐振腔设计的基本原则。

The operation condition of a series-resonant converter is equivalently analyzed under open-loop condition. OCC condition and selection basis of resonant parameter and switching frequency are determined. The relationships between LED number, transformer turns ratio and constant current error are also determined, which provide scientific basis for the selection of LED number and transformer turns ratio.

文中通过对串联谐振变换器开环工作状态的等效分析，确定开环恒流条件和谐振参数与开关频率的选择依据，以及LED数目、变压器变比与恒流误差之间的关系，为LED数目及变压器变比的优化选择奠定了理论基础。

Finally, their application to millimeter wave circuits are also dealt with. For this, a bandstop filter and directional filter obtained by coupling whispering gallery mode dielectric resonators to microstrip are presented at Ka-band.

本学位论文共分六章，各章内容如下：第一章简述了介质谐振器的发展及其在毫米波段的局限，概述了边廊模介质谐振器的发展背景、优点以及在毫米波电路中的应用前景，并介绍了其研究历史和现状。

Iteration is needed in complex misaligned system.The range for tilt misalignment that can be figured out is 0～10~4 urad and the decentration range is from 0 to 1mm.

这种辅助装调方法能够有效的指导谐振腔的精装调过程，为今后实际的激光器谐振腔系统的自动精密调节提供了一种方法。

The dual locomotion principles include the stick-slip principle in nonresonant condition and the impact principle in resonant condition, which are respectively for high driving resolution and high driving velocity.

该机构具有双重运动机理，即非谐振条件下的粘滑运动机理和谐振条件下的碰撞运动机理，分别用于实现较高的运动分辨力和较高的运动速度。

The mechanical properties and the electrical properties of the cantilever, such as spring constant, resonant frequency, mechanical quality factor, piezoelectric output and the noise level, determine the resolution of a AFM when piezoelectric cantilever is used as the force sensor.

在作为原子力显微镜的力传感器使用时，压电探针的机械特性，如弹性常数、谐振频率、谐振质量因子，以及电子特性如压电输出、噪声水平等决定了原子力显微镜的分辨率，而对于带有针尖和三角形前端的PZT压电探针，这些特性迄今未得到系统研究。

Mechanical transmision devices of any control system have some elastics This Ki- nd of mechanical resonant frequency produced by the elasticity is usually higher and it's far away from the mediumfrequency domain sensitive to dynamic characteristics, so the resonant effecr on the system can be neglected.

任何控制系统的机械传动装置都有一定弹性。通常，这种弹性形变所产生的机械谐振频率&较高&，远离对系统动态品质敏感的中频段，谐振对系统的影响可以忽略。

With the theory of mode split, the distortion of resonance curve of hydrophone is explained and math formulas describing the distortion of resonance curve are given, and then the interference process of hydrophone after mode split is simulated by MathCAD and the theoretical curve is plotted.

用模式分裂的原理解释了水听器的谐振曲线畸变现象，提出了描述谐振曲线畸变的数学公式，用MathCAD软件仿真了模式分裂后水听器的干涉过程并绘制了理论曲线。

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％。