查询词典 waveguide

Effects of a single scatterer on the transport properties of a leaky electron waveguide are studied theoretically.

本文用一双波导模型模拟漏波导，用δ函数模拟散射势，从理论上研究了单个散射杂质对漏波导传输特性的影响。

A DC-5 GHz single-pole double-throw radio frequency micro-electro-mechanical systems switch that employs lateral metal-metal contacting is designed. It consists of a set of quasi-finite ground coplanar waveguide transmission lines and a left right swing cantilever beam.

设计了一种基于横向金属接触的DC-5 GHz单刀双掷RF MEMS开关，该开关包括一套有限地共面波导传输线和左右摆动的悬臂梁。

The PS R2 Series offers the user a totally integrated loudspeaker solution, in which innovative transducer, waveguide and enclosure designs come together under the control of strategic equalisation from dedicated TD Controllers to ensure extended bandwidth and sound pressure levels, along with a high degree of speaker protection will now be offered with power options from the NXAMP product range.

新PS R2系列提供了一个完整的音箱系统解决方案，它内里设计先进的换能器，波导管和箱体设计，交于全新设计和专用的TD处理器作策略性的均衡控制，以确保频响的伸延和声压的水平，及极高程度的音箱保护。

The radiation problem is transformed into a transmission problem of the corresponding waveguide structure to avoid the difficulty of the field source problem which is met in the traditional analysis.

在分析过程中，将天线的辐射问题转化为相应波导结构的传输问题，从而避免了求解场源问题的困难；并使计算过程得到了简化。

The results show that the original single-mode fiber become a multimode waveguide. The fused tapered fiber was fabricated by using the flame of a spirit lamp. If controlling the fiber dimension well during pull process, the unique tapered fiber will has a multimode input end and a single mode output end for launching wavelength 632.8nm, which was observed in our experiment.

实验上，利用火焰熔融法制作了拉锥光纤，采用0.633um的He-Ne激光作发射光源，通过控制拉锥后的光纤尺寸，得到了0.633um波长下的多模输入和单模输出，观测了拉锥前后的模场分布。

In addition, the nonlinear processes such as cross-phase modulation, non-degenerate two-photon absorption, and stimulated Raman scattering must also be considered for double wavelengths propagating in waveguide.

在归纳分析了SOI对光信号处理的研究进展的基础上，进一步完善了超快脉冲在脊形硅波导中演变时所满足的线性和非线性传输方程，在此非线性方程中包括波导线性损耗、群速度色散和三阶色散等线性效应；同时也包含了自相位调制、简并双光子吸收、自由载流子吸收和自由载流子色散等非线性过程；当双光场在波导中传输时，脉冲之间的交叉相位调制、非简并双光子吸收和受激拉曼散射效应等非线性效应也被考虑。

Employing such properties, we have also demonstrated continuous tuning of the stimulated emission wavelength of a slab waveguide within one sample.

利用此性质，我们也成功的在单一样本上展示了诱发放光波长的可调性。

The subharmonic heterodyne combined with cut-off waveguide method is proposed to measure the frequency of 0.14THz high-power nanosecond pulse in this paper.

本文提出了采用截止波导法与谐波混频法相结合的方法，进行0.14THz高功率短脉冲的频率测量。

Both the offset and tilted fedcoupling-slot array between the curved guide and sectoral guides and longitudinal radiating-slot array on sectoral guide are analyzed by moment method, taking into account of the effects of finite wall thickness and mutual coupling between the slots, employing the acceleration algorithms to accelerate the summation of slowly convergent series of the self-admittance of the waveguide-slot aperture, and introducing the surface Fock functions to simplify the computation of the self-and mutual coupling of the slots on the surface of cylinder.

采用矩量法分别分析弯波导与扇面波导间偏置倾斜馈电耦合缝阵和扇面波导轴向辐射缝面阵，其中计及有限波导壁厚及缝间互耦的影响，运用级数加速算法对波导中自导纳矩阵元级数进行加速处理，并引入表面Fock函数简化圆柱面上缝口面的自耦和互耦的计算。

An engineering approximately design method-equivlent circuit isalso introduced by equilent circuit of waveguide ET-junction and principle of symmetry and of multiplication of matrix.

本文同时依据对称性原理、ET接头的等效电路及传递矩阵的乘积原理建立了波导谐波滤波器的近似工程设计方法——等效电路法，指出等效电路法虽然精度有限、但计算时间很快，可以进行基、谐波全频段分析。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。