扰

Straight form type the characteristic advantage of horn fan air exhauster: 1, simple case of lumber of FRP fibre glass, acid-proof alkaline, anticorrosion. 2, the efficiency that prevent rain is extremely tall, do not have the worry of ooze water.

直结式喇叭扇抽风机之特点优势：1、FRP玻璃纤维材料外壳，耐酸碱，防止腐败蚀。2、防雨速率非常高，无渗水之苦恼。3、没变动之苦恼→4、没下降抽风力之捆扰。5、没下降抽风力之捆扰。6、省修理，省修养→能够应用10~20年以上。

A novel design scheme for digital optical switch with high extinction ratio by employing S curve waveguide at the end of the Y branch ii proposed. Higher extinction ratio then that of the device without S curve waveguide is obtained by applying certain synchronous voltage to tie Y branch and the curve electrode of tie S curve waveguide.

文章提出一种关于非对称电极低串扰数字光开关的新型设计方案，在Y分叉后端引入S弯曲波导，通过在Y分叉处的非对称电极和弯曲波导的弯曲电极处施加一定的同步电压，实现了比没有S弯曲的开关更低的串扰。

Multiple transition fault model is an effective fault model for both the capacitive and inductive coupling induced faults on bus. But the previously generated test set based on MT fault model tends to be redundant.

多跳变故障模型是一种有效的总线串扰故障模型，可以测试由电容和电感导致的串扰故障，但是MT的原始测试集存在严重的向量冗余。

It has advantage of low cost for group scrambling-descrambling and is benecial to multiple grade chargeable program development.

介绍了一种采用机顶盒方案的有线电视条件接收系统，它是基于射频处理的同步抑制分级群加解扰系统，具有群加扰系统的相对低成本和多级别利于收费节目开发的优点。

Three kinds of perturbation methods for nondegenerate quantum system are briefly introduced and compared applying to a simple model.

简要介绍了量子力学中三种定态微扰方法：一是通常的Rayleigh -Schr¨odinger微扰，但其缺点是高阶微扰项的表达式很繁，且无一般的通项公式。

Making use of a generalization of Brillouin-Wigner perturbation theory, in this project, we have studied such a division of energy eigenfunctions and properties of eigenfunctions in their perturbative and non-perturbative regions.

本项目利用推广的布里渊-维格纳微扰论研究了本征函数的这种划分，以及微扰与非微扰区的本征函数的性质。

Using periodicity of the scramble sequence, it is theoretic proved the complexity of this method is not depended on the expression of generation polynome.

利用扰码序列的周期性原理，从理论上证明了并行扰码复杂度与扰码生成多项式的具体形式无关。

In the third chapter,the principles of randomizer and de-randomizer are illuminated,and the hardware realization is also given.

第三章在讲述扰码和解扰的理论基础上介绍了DVB-C的扰码生成多项式，然后叙述该模块的相应硬件实现方法。

Based on the crystal field theory, perturbation formulas of the spin Hamiltonian parameters g-factors (fourth-order) and the hyperfine structure constants (third-order) of 3d9 ions under tetragonal symmetry are established for the cases of small spin-orbit coupling coefficients and large spin-orbit coupling coefficients of the ligands.

本文基于晶体场理论，在较统一的理论模型和计算方法基础上运用微扰法分别对配体旋轨耦合系数较小和配体旋轨耦合系数较大的情况建立了3d9离子的自旋哈密顿参量g因子的四阶微扰公式和A因子的三阶微扰公式。

Under the first perturbation approximation, the contribution of the torso scatterings increases with higher frequency, with shorter distance between the source and head center, with lower elevation of the source, and with azimuth departing from the ear.

在一级微扰近似下，躯干散射对HRTF的影响整体上随频率的升高、或声源距离的减小、或仰角的降低、或声源相对受声耳方向的偏离角度的增大而增大。随着微扰级数的增加，高阶微扰项对计算结果的贡献迅速减少。

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。