极化

Simulation results show that the rectangular-grid array on a cone with circular polarization is the optimal configuration of the conformal array in guided weapons under the same parameters.

仿真结果表明，在同等参数配置条件下的圆极化圆锥矩形栅格阵列可以作为制导武器共形天线阵列的最优配置方式。

Simulation results show that the rectangulargrid array on a cone with circular polarization is the optimal configuration of the conformal array in guided weapons under the same parameters.

仿真结果表明，在同等参数配置条件下的圆极化圆锥矩形栅格阵列可以作为制导武器共形天线阵列的最优配置方式。

It contains the design of circular polarization and finds the correlation between antenna gain and different substrate materials.

其中包含了圆形极化天线之设计，并比较各种不同基材材料对天线增益的影响。

Second, proceeding with the fact thatthe constructing vector wave functions of conventional circular cylindrical and sphericalvector wave functions are linear independent solutions to the electromagnetic field waveequations in biisotropic medium,spectral impedance boundary conditions are proposed forinfinitely long perfectly conducting circular cylinder and sphere coated with biisotropic media,respectively,which generalize the applicable range of planar structures and are suitable toanalyze the electromagnetic problems involving their counterpart structures.

所用的方法是在Fourier变换谱域中的一阶线性微分方程组理论和矩阵技术，提出了适用于Chiral媒质半空间辐射问题的耦合镜像原理(即镜像电流的振幅和相位是由Chiral媒质中的本征左、右旋圆极化波相互耦合来确定的)和适用于研究平面分层Chiral媒质电磁问题的一般性更高的分析方法。

According to the theory of antenna and electromagnetic, I simulated the helix antenna which is common antenna on the satellite, and I acquire the preferable result and made different circular polarization helix antenna.

根据天线和电磁场理论，笔者通过仿真星载天线中最常见的螺旋天线，得到较好的效果后，制作不同圆极化方向的螺旋天线。

During experiment researches, an impedance converter is designed to connect the standard port with the antenna input port, and the method of comparing with standard linear polarized antenna is used to measure array antenna circular polarized gain.

在实验中，设计了用于连接标准接口和天线输入口的阻抗变换器，对阵列天线辐射特性的测量采用了标准线极化天线比较法。

At first, an optical balanced heterodyne polarimeter using a Zeeman laser is setup in order to measure the circular birefringence or the optical activity or of quartz crystal of cornu depolarizer configuration.

论文的第一部分是建立创新之振幅敏感平衡侦测外差干涉极化仪(Amplitude sensitive balanced heterodyne polarimeter，ASBHP)并对石英晶体(cornu depolarizer，CD)的旋光性做即时及高精度测量。

The radial vibration of a piezoelectric ceramic thin ring and a metal thin circular ring are analyzed and their electro-mechanical equivalent circuits are obtained.

该换能器由一个厚度方向极化的压电陶瓷薄圆环及一个金属圆环组成。对压电陶瓷圆环和金属圆环的径向振动分别进行了分析，得到了各自机电等效电路。

Thus a wave of circular polarization propagates with the same wave number regardless of its direction of propagation.

不管传播方向如何，这样的圆极化波传播同等的波数。

The eigenmedes are left--hand or right--hand circular polarised wave,the dipole radiation is closely related to the chirality parameter.

结果表明：手征媒质中存在电磁模式分裂，其本征模为左、右旋圆极化波，偶极辐射性质与旋波因子密切相关。

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％。