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eight-order
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  八阶
     In this paper, Kalman filter techique and its application in ship integrated navigation systems are introlucel, and a eight-order model of ship motion is set up.
     本文首先介绍了卡尔曼滤波技术及其在舰船组合导航系统中的应用,建立了一个八状态舰船运动动态误差模型,在此基础上,设计出了一般组合导航系统八阶卡尔曼滤波器。
短句来源
     Secondly, singularity in Green function in surfaces is analyzed by eight-order approximate formulations of and using equal-volume sphere transformation,respectively and singularity in Green function derivative is solved by generalized function theory.
     其次对广义网络法计算孔缝耦合时遇到的奇异积分问题进行了分析,对于格林函数的奇异积分采用了八阶近似公式和等积变换方法进行处理。
短句来源
     Using Donnell-type displacement basic equations of conical shell and introducing displacement frunction and generalized loads, the governing equations of two kinds of layered conical shells have been changed into an eight-order soluble partial differential equation of the displacement function. By this technique, the new type governing equations of many simple problem can be obtained.
     本文使用锥壳的Donnell型位移基本方程组,通过引入位移函数和广义荷载,将两种类型的夹层锥壳之基本方程组化成为一个关于位移函数的八阶可解偏微分方程,由此可得到许多常见问题的新型控制方程.
短句来源
     By introducing displacement function, , the basic partial differential equations in terms of displacements are tranformed into an eight-order partial differential equation. The analytical solution of the governing equation is obtained using a power series method.
     通过引入一个位移函数,位移型基本微分方程组化成一个八阶可解偏微分方程,并用幂级数方法得到了该控制方程的解析解。
短句来源
     This paper begins with the integral of rectangular self-reaction elements of Green's functions in two-dimensional alternating fields, followed by a derivation of the eight-order analytic approximate formulations, and a compact closed-form for the integral singularity is also presented by using equal-area approximation.
     首先分析电磁场数值分析中经常遇到的二维交变场Green函数矩形自作用单元积分 ,导出了八阶解析近似公式 ,同时还给出了积分奇异项的等积圆变换简洁闭式。
短句来源
  8阶
     From the differential equations in displacement form of conical shell and by introducing a displacement function, U(s, θ), the differential equations are changed into an eight-order soluble paitial differential equation about the displacement function U(s, θ) in which the coefficients are variable.
     文中根据文献[1]给出的壳体基本关系,导出锥壳一般弯曲问题的位移方程组,然后通过引入一个位移函数U(s,θ)(在极限情况下,就变为对于圆柱壳所引入的位移函数),从而将锥壳基本方程组化成关于位移函数U(s,θ)的8阶可解偏微分方程(控制微分方程).
短句来源
     With regard to marine platforms on North Sea, it especially could use eight-order non-linear wave theory on engineering calculations with the DNV criterions.
     尤其是在北海的作业海洋平台,DNV规范建议对于上述海洋平台要考虑采用8阶非线性波计算其运动和波浪荷载。
短句来源
  “eight-order”译为未确定词的双语例句
     AN EIGHT-ORDER EQUATION OF FIBER REINFORCED LAMINATED CYLINDERS AND ITS SOLUTIONS
     纤维增强叠层圆柱壳的8阶方程及其解
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In this paper, a closed vector equation of spatial RRRSR five-bar linkage mechanism represented by rotation transformation tensor method is given, and the displacement relation formula of drive and driven members, which is an eight order equation, has been established by the method of evaluated calculation tensor to some axis. Lastly it is judged and solved, so the displacement of the drtven link has been found.

本文用回转变换张量法来表示空间RRRSR五杆机构的封闭向量方程式,并用向某轴求运算张量的方法,建立主动杆与从动杆位移的关系式。最后对得出的八次代数方程式进行判别和求解,从而求出从动杆的位移。

By means of the remainder theorem of polynomial, a so-called "basic mathematical expression" of the transverse cross sectional area curve of bodies of revolution is derived from the boundary conditions which have to be satisfied. Any given form of the parametric function in this expression will generate in the "normalized coordinate system" a figure of the fore or rear part of the bodies of revolution. On the contrary, the informations of a given figure can be taken into account and the parametric function will...

By means of the remainder theorem of polynomial, a so-called "basic mathematical expression" of the transverse cross sectional area curve of bodies of revolution is derived from the boundary conditions which have to be satisfied. Any given form of the parametric function in this expression will generate in the "normalized coordinate system" a figure of the fore or rear part of the bodies of revolution. On the contrary, the informations of a given figure can be taken into account and the parametric function will make the basic mathematical expression able to define it well.A two-parameter family of bodies of revolution given in this paper can be used to a wide range of prismatic coefficient.The given method is able to fit a given shape with good results, and, in general, a five-order polynomial is used for this purpose. As an example, the fore-body of the airship"Akron"is represented with the presented mathematical expression in the form of a five order polynomial, which is better than the William's eight-order polynomial.

本文根据回转体所应满足的基本边界条件,利用多项式的余数定理,导出了回转体横截面面积分布曲线的基本表达式。式中含有一个函数性参数。参函数的任一给定形式,可在“标准化坐标系”内生成一条回转体头部或尾部的型线;与此相反,任一给定型线上的各种信息,均可在参函数上得到反映,从而可以很容易地得出相应的数学表达式。文中给出的双参数系列,可以提供棱形系数范围很广的型线。 本文方法有着良好的逼近能力;采用本文方法,三参数的五阶多项式,一般情况下,即可得到良好的逼近效果。作为算例,文中给出了“Akron”飞船头部曲线的近似表达式。该表达式为一五阶多项式;但它能够给出比“Williams”的八阶多项式更为满意的近似结果。

The general bending problem of conical shells on the elastic foundation (Winkler Medium) is not solved. In this paper, the displacement solution method for this problem is presented. From the governing differential equations in displacement form of conical shell and by introducing a displacement function U(s) the differential equations are changed into an eight-order soluble partial differential equation about the displacement function U(s,) in which the coefficients are variable. At the same time, the...

The general bending problem of conical shells on the elastic foundation (Winkler Medium) is not solved. In this paper, the displacement solution method for this problem is presented. From the governing differential equations in displacement form of conical shell and by introducing a displacement function U(s) the differential equations are changed into an eight-order soluble partial differential equation about the displacement function U(s,) in which the coefficients are variable. At the same time, the expressions of the displacement and internal force components of the shell are also given by the displacement function U(s). As special cases of this paper, the displacement function introduced by V. S. Vlasov in circular cylindrical shell[5] , the basic equation of the cylindrical shell on the elastic foundation and that of the circular plates on the elastic foundation are directly derived.

本文应用Donnell的简化假定,从弹性基上锥壳位移型微分方程组出发,通过引入一个位移函数U(s,θ)(在极限情况下就退化成V.S.Vlasov对于圆柱壳所引的位移函数),将基本微分方程组化成为一个八阶可解偏微分方程.这个方程的一般解用级数形式给出.对于在实际中有广泛应用价值的Winkler弹性基上锥壳的轴对称弯曲问题,本文给出了详细的数值结果,并求出了边缘荷载作用下的影响系数,这对计算弹性基上锥壳组合结构有着重要的意义.

 
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