计算公式

After some discussion on several common nonlinear effects in WDM systems, CROSS Phase Modulation effect is investigated for example to find how the nonlinear impairment can be considered by network entities.

在简要介绍了几种常见的非线性效应，给出了它们对系统传输性能影响的评估与计算公式之后，以交叉相位调制效应为例提出了一种名为等效系统函数法的方法计算XPM导致的相位-幅度噪声，把XPM效应对系统传输性能的影响转化为网络层RWA实体可以利用的形式。

Secondly, in the dissertation, the theories and methods of calculation on bridge deck system were discussed, and bridge deck system simplified as a beam was analyzed with the theory of elastically supported continuous beam and the method of deformation compatibility; through the theory of orthotropic plate being applied to analyzing the bridge deck system which was assumed an elastically supported continuous plate, certain theoretical derivations were made and some calculation formulas were given.

其次，本文研究论述了桥道系的计算理论和方法，将桥道系简化为梁，利用弹性支承连续梁理论和变形协调法进行分析；把桥道系视为弹性支承连续板，利用正交异性板理论进行分析，作了一定的理论推导，并给出了相关计算公式。

In addition, the amended calculating method of deflection of the composite beams with profiled sheeting is advised in this paper based on study on the calculating methods in existence.

同时本文对现有的关于钢—压型钢板混凝土组合梁挠度的计算方法进行了探讨，并给出了建议的修正计算公式。

Based on the research progress abroad,calculation method of deflection due to short-term loads and calculation expression of effective moment of inertia for concrete beams reinforced with FRP bars were brought forward.

在国外有关成果的基础上，给出了FRP筋混凝土梁的挠度计算建议方法及&有效惯性矩&的表达式，同时提出了设计时不需进行挠度验算的最大跨高比限值的计算公式及相应的基于挠度控制的承载力设计方法，对工程应用有着实际的指导作用。

Because the curve radius of easement curve gradually changes, the formula for calculating the coordinates can not be obtained with the method of integration.

由于缓和曲线的曲率半径是逐渐变化的，不能用积分的方法求得其上点位坐标的计算公式，以往都是用级数展开进行近似计算。

On the ground of the theories of heat transference and heat stress,residual heat stress equations were decuced according to the plasma cladded coating.And specific calculations were done with physical property factors.

在热传导及热应力的理论基础上，针对等离子熔覆的实际情况进行了残余热应力计算公式的理论推导，并代入实际物性参数进行了具体算例的计算工作。

This problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard .

本课题主要通过了解国内外有关对rops fops的研究情况和有关国际标准的制定，对大型推土机倾翻和落物保护装置进行研究，在理论分析的基础上，通过建立rops fops的力学分析模型，推导弹性、弹塑性阶段rops fops变形的计算公式，建立一套可行的rops fops的非线性有限元分析计算方法。

A calculating formula of the elastic and elastic-plastic stage is deduced and numerical values of the elastic-plastic deformation of the TY320 Bulldozer s ROPS/FOPS are calculatedin the paper.

本文推导了弹性、弹塑性阶段 ROPS/FOPS变形的计算公式，编制了相应的计算机程序，计算了 TY32 0马力推土机的 ROPS/FOPS弹塑性变形量。

In addition, the important forms used to calculate the formation parameter s, such as shale volume, water saturation and permeability, are improved to be more suitable for the calculation of inhomogeneous formation parameter s according to the power law of fract.

同时，利用分形理论的幂定律，对泥质含量、含水饱和度和渗透率等参数的计算公式作了改进，可以更好地适应非均质地层参数的计算。

In this paper,the general mathematic model and equivalent circuit of dual stator-winding induction machine are proposed.

首先给出了定子双绕组异步电机通用数学模型及等效电路，采用解析法对不同绕组结构的定子双绕组异步电机漏电抗计算进行了系统地分析，导出了相应的计算公式。

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％。