耦合

We present an analytic expression for the energy of this extended state which is negative of the strength of the nearest coupling over the strength of the next-nearest coupling.

我们得到了系统处于扩展态时电子能量的解析表达式，它的数值为负的最近邻耦合常数与次近邻耦合常数的比值。

Different coupling methods and anchor strength of the detecting rod have different interferences on signal reception.

首次采用了单道信号分析的方法，对比分析了接收探杆的不同耦合方式和锚固强度对信号接收的干扰特点，并研究了减弱或消除干扰的接收探杆耦合方法。

It is still needed to do some work to determine the deformation parameter β2 for light odd-odd nucleus, like 6Li and to calculate all reaction channels by means of CDCC code simultaneously. It is important to measure the exclusive angular distributions of breakup fragments.In theory, the coupling channel equations have been deduced from one-dimensional to multi-dimensional barrier tunneling. The couplings between the entrance channel and the other channels have appreciable effects on sub-barrier fusion cross section. Instead of single fusion barrier,these couplings lead to a distribution of fusion barrier Dfus.

描述了已有理论，从简单的一维势垒穿透模型出发，引入多维势垒穿透和耦合道模型，证明入射道相对运动与碰撞核各种自由度的耦合导致熔合势垒的劈裂，较低的势垒有利于垒下熔合截面增强；给出了从熔合激发函数抽取势垒分布及从背角准弹激发函数抽取势垒分布的理论依据，以及它们的优缺点。

The tunable photon broad band radio frequency phaser based on a silicon ring resonance cavity comprises a pumping signal light-generating system, a carrier wave light-restraining double-sideband generating system, a silicon ring resonance system and a measuring system; wherein, the silicon ring resonance system comprises a light coupling device and the silicon ring resonance cavity; the output of the light coupling device is connected with the input port of the silicon ring resonance cavity; wherein, the silicon ring resonance cavity is composed of a silicon annulet and a root of a straight waveguide; the air gap distance between the silicon annulet and the root of the straight waveguide is several ten nanometers or several hundred nanometers; the taking characteristic of the silicon ring resonance cavity is the characteristic of a seasonal reject trap; the transmission rate in the position of a resonance wavelength is equal to zero or is very close to zero.

本发明包括：泵浦信号光发生系统、载波抑制光双边带产生系统，硅基环形谐振腔系统，以及测量系统。所述硅基环形谐振腔系统包括一个光耦合器和一个硅基环形谐振腔，光耦合器的输出连接到硅基环形谐振腔的输入端口，其中：硅基环形谐振腔由一个硅基微环和一根直波导构成，硅基微环和一根直波导之间的空气隙间隔为几十至几百纳米，硅基环形谐振腔频谱特征是周期性的带阻滤波特性，在谐振波长处的透射率等于0或非常接近0。

To recover the initial conditions of coupled map lattices, which goes athwart the coupled systems, is one of key tasks of signal processing.

从耦合映像格子中，恢复系统初始条件是耦合系统求逆问题，也是信号处理研究中的一个关键性问题。

The results of prediction agree well with the experimental ones. It proves that the thermo-mechanical analysis、the neural network models of flow stress and microstructure as well as the numerical simulation system developed combining coupled thermal-mechanical rigid-viscoplastic FEM with BP neural networks are reliable to describe the hot back extrusion process of Ti15-3 alloy truly. The simulation system has good prediction capacity for the microstructure evolution of Ti-15-3 alloy during hot backward extrusion and after solution treatment. It can be used to replace the experiments for predicting the flowing laws and the distribution of microstructure.

由此证明，本文的热力耦合理论分析、流变应力及显微组织的神经网络预测模型以及采用三维热力耦合刚粘塑性有限元与三层向后传播的人工神经网络相结合的方法开发的Ti-15-3合金筒形件热反挤成形的显微组织数值模拟系统是可靠的，能够真实地描述Ti-15-3合金热反挤工艺过程，并对其反挤成形及固溶处理后的显微组织具有很好的预测能力，可以被用来代替预测其反挤成形规律和组织分布情况的试验。

The article presents a design method of tunable cavity band-pass filter.

介绍了一种可调腔体带通滤波器的设计方法，从集总网络参数原理出发，结合直接耦合腔体滤波器的参数确定方法，以及根据耦合孔的相关理论，计算得到所设计滤波器的尺寸参数。

Bibliographic coupling operates on a similar principle, but in a way it is the mirror image of co-citation coupling.

书目耦合运作，类似的原则，但在某种程度上是合作镜像，引用耦合。

Through theoretical and experimental research, the viscoelastic mechanical model of optical fiber coupler in the process of fused biconical taper was established, with which, the numerical analysis under non-uniform temperature field was realized.

基于理论与实验研究，建立了光纤耦合器熔融拉锥过程的粘弹流变力学模型，并给出了光纤耦合器非均匀温度场条件下的流变过程数值分析，获得了拉锥速度、熔融温度等流变工艺参数对器件应力分布与器件性能的影响规律。

Fiber coupler is one of the most important devices among fused taperfiber devices. Its usage ranks second among the optical passive devices.It is used for separating or coupling light. At.present, it is fabricated withfused biconical taper technology at large.

熔锥型光纤器件中最为典型的器件是光纤耦合器，其用量在光无源器件中居第二位，其功能是使传输中的光信号在特殊结构的熔锥区发生耦合，实现分光。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。