谐振

The eigen energy and the degeneracy of the system are also discussed.

用时空变换法求解了带有反平方势的含时谐振子薛定谔方程，并讨论了方程的本征能量和能级简并情况。

The lowest energy level and degeneracy is discussed.

推导出了三维各向同性谐振子在均匀磁场中的能级表达式并讨论了其最低能级及其简并度的变化。

The circular polarization at the lower resonant frequency of the dual-frequency antenna can be achieved by setting a perturbation segment at an appropriate location in the patch element, and placing the feed point on the diagonal axis.

在较低的谐振频率处圆极化的获得是通过在天线辐射单元上适当地设置摄动元素，并将馈电点移到辐射单元的对角线上。

A diatomic linear oscillate model in one dimension was used to analyze the influence factors of the dielectric constant and quality factor and the relationship between them.

采用一维双原子线性振动模型，分析了微波介质陶瓷材料的εr、Q影响因素和它们之间的相互制约关系；采用Clausius-Mosotti方程，分析了谐振频率温度系数的影响因素以及它和εr之间的相互制约关系。

Dichroic, Period Method of Moment, Bandwidth, Resonant Frequency

准光滤波器，周期矩量法，带宽，谐振频率

The positions at cavity mirror of ray which propagates back and forth in the CCP laser resonator are analyzed, it shows that the CCP resonator with three equal dihedral angle errors (three dihedral angle errors are not 0) is an unstable resonator.

对在腔内往返传输的光线在镜面上的位置进行了分析，结果表明：3个二面角误差相同且不为零的角锥棱镜构成的谐振腔为约束非稳腔。

The exact bound solution of Dirac equation for the above potential is obtained under the condition of equal scalar and vector potentials.

提出了一种新的环状非球谐振子势，在标量势与矢量势相等的条件下，给出了Dirac 方程的束缚态解。

The third part is about the research on the improvement of the directivity of antennas using wire medium.

然后研究谐振腔天线一些参数的对其频带和方向性的影响。

LC filter is an important part of this hybrid reactive power dynamic compensation. The parameters of capacitor and inductive winding of LC filter change during operation with the changing surrounding temperature, the self-heating and the insulation ageing of capacitor, etc. During the installation and commissioning, there may exist errors that can deviate the actual parameters and correspondent harmonic oscillation frequency from the designed value and result in filter disarrangement.

LC滤波器是动态无功补偿装置中的重要组成部分，由于它的电容器和电感线圈参数，在运行过程中会因周围温度的变化、自身发热和电容器绝缘老化等因素影响而发生变化，在安装和调试过程中会存在误差，从而使实际参数和相应的谐振频率偏离设计值，导致滤波器失谐，这就要求对滤波器进行优化设计。

The lowest loss mode fields and the far field divergency angles of output beams of the UPCUR are calculated by use of Prony method. The relations between the mode discriminability, far field divergency angles and the parameters of the resonator are analyzed. And the theoretical results show that the output beams with diffraction limit quality can be obtained by using the UPUR with small magnification (M=1. 3), which is much better than the traditional unstable resonator under the same conditions.

采用Prony方法计算均匀相位输出耦合镜非稳腔的输出模场分布及远场方向性，分析了模式分辨率和光束远场发散角与系统各参数之间的关系，理论计算得到的结果表明，采用均匀相位输出耦合镜非稳腔，可以在小放大倍率(M=1.3)情况下得到质量达到衍射极限的输出光束，远远好于同等条件下的常规非稳腔，因此这种新型的谐振腔适用于在工业用千瓦级氧碘化学激光器。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷