导波

Finally, the characteristic of nonlinear TM waves propagating in five-layer nonlinear waveguide is analyzed elementarily. The approximate analytical solution is presented based on the characteristic of TM_0, the dispersion relations is given.

最后对非线性光波导中的TM模传输特性进行了初步的研究，利用TM_0模的特性，采取了一种近似方法初步分析非线性介质平板波导TM_0模的近似解，给出了色散关系式。

Two-channel GES requires less stimulation energy to entrain gastric slow waves than single-channel GES.

两导联胃电刺激控制胃慢波所需的刺激能量较单导联胃电刺激低。

Through model test and data analysis, it is found that the precision of the FFT method is much higher than that of the Fourier Series method in vertical derivative calculation.

通过模型试验和数据分析，发现在计算垂向导数时波数域求导算法的精度比傅氏级数的精度有明显改善；而水平导数的计算，2种方法的精度相当。

Methods on the use of convolution calculation Leike Zi waves and second derivatives of a derivative.

详细说明：关于利用褶积的方法计算雷克子波的一阶导和二阶导。

Design and development of planar waveguide devices to broadcast waveguide Theory as the guide.

设计和研制平面光波导器件播要波导理论的指导。

A new method to fabricate TM pass polarizers by introducing zig zag shaped proton exchanged regions adjacent to a Ti diffusion waveguide on X cut, Y propagation lithium niobate is presented.

提出了用扩钛和质子交换相结合的方法在x-切，y-传的LiNbO3衬底上制成TM通集成光波导偏振器的新方案，即在扩钛波导两侧的适当位置引入锯齿形的质子交换区。

In orthogonally polarized H(11)° Multi-mode circular waveguide systems,filtration of several lower high-order modes such as E(01)° E(11)° has been treated favorably.

在具有正交极化H_(11)°波多模圆波导系统中，H_(21)°波的滤除问题至今未见有较重大的进展。

The guidance conditions of a slab waveguide of uniaxially anisotropic metamaterial with partially negative components in permittivity and permeability tensors are derived.

推导了介电常数张量和磁导率张量中各分量带有不同符号的单轴各向异性异向介质平板波导的导行条件。

The field patterns and other results presented in this paper may be used in the analysis and design of optical waveguides.

所给出的模场分布以及结构参数对波导传输特性影响的许多结果可用于光波导的设计和研制。

The proposed antenna consists of a rectangular metal patch on a printed circuit board fed by a 50- coplanar waveguide. By cutting a C-shaped slot in the rectangular radiating patch,a frequency band notch will be created. The proposed antenna yields an impedance bandwidth of 3.1-10.6GHz with VSWR,except the bandwidth of 5-6GHz for WLAN.

天线采用印刷电路板上的矩形贴片作为辐射单元，并由同一面上的共面波导馈电，通过在矩形贴片上开一个C形槽来实现陷波功能，电磁仿真软件Ansoft HFSS10的仿真结果显示，合适地选择C形槽的尺寸可以调整陷波的中心频率和带宽。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。