查询词典 expansion in series

With a method of series expansion for image reconstruction, there exists great difficulties in terms of slow reconstruction due to bulk data to deal with.

摘要由投影重建图像的迭代算法有抑制噪声等优点，但其投影矩阵的计算量大、影响重建速度。

Should open the following research work of exhibition for this:(1)Excellent turn the structure parameter of the welding power supply of the tiny machine control, become the series turn combine in actually produce the expansion is applied.

为此应开展以下研究工作：（1）优化微机控制的弧焊电源的结构参数，形成系列化并在实际生产中推广应用。

Using the properties of the harmonic function and the theories of the expansion of the spherical harmonics,the equivalence between Moritz analytical continuation and Bjerhammar s virtual spherical solution is proved according to the power series expanded form of the real number field function,the differences in meaning between the two solutions are analyzed.

利用调和函数的性质以及球谐函数展开理论，并根据实数域上函数的幂级数展开式证明了Moritz解析延拓解与Bjerhammar虚拟球面解的等价性，同时分析了两种解的内在区别。

According to penetration mechanism of jacked pile, the expansion of a series of spherical cavities in semi-infinite space is used to simulate the process of pile installation; and soil is assumed as Mohr-Coulomb material.

根据静压桩的贯入机制，将沉桩过程模拟为半无限土体中一系列球形孔的连续扩张，土体假定为Mohr-Coulomb材料。

The series expansion for the potential distribution in whole space with the potential distribution on the symmetric axis is derived,some examples are given.

提出了求解轴对称静电场的柱函数展开法，推导出用对称轴上的电势分布表示空间电势分布的级数展开式，并给出了求解轴对称静电场的例子

And then this paper uses the Taylor series expansion to correct the probe positioning error in antenna near-field measurement.

根据平面波谱理论，推导了平面扫描位置误差对远场的影响，给出了位置误差上界的数学表达式，并用泰勒级数展开法对其进行了修正。

In this paper, interval Taylor series expansion method is proposed to solve interval differential equations and power system time domain simulation under uncertainty based on interval method is presented.

文中采用区间泰勒级数法进行区间微分方程组的求解，提出和实现了计及不确定性的电力系统时域仿真的区间方法。

In addition to the terms used by Hertz as the description of a general surface of contact, the present theory will contain the next higher-order terms of its Taylor 's series expansion, such that the coefficients of the Hertz second power terms as well as the dominant fourth-power term is satisfied.

解中的高次量效應是對赫芝理論的一個改進；它的影響隨着外力或接觸椭圓面偏心率的增加而顯得更重要。因此這個解在某些實際應用上如滚珠軸承中滾珠与珠槽間的接觸問題，是较需要的。

Hence, an analysis method of long-spread nonhyperbolic normal-moveout velocity for P-wave in weak transverse media with vertical symmetry axis is illustrated. The quartic term of the Taylor series expansion for t2-x2 curve is used to determine the normal-moveout velocity.

文中阐述了横向各向同性介质中长排列的非双曲线的P波时差速度分析方法，即对P波的旅行时间进行泰勒展开，应用t2～x2的四次方展开项进行时差速度分析。

In 1985,STF cooperated with ALCO to produce T series expansion valve.

上海恒温控制器厂有限公司是制冷空调自控元件专业生产厂家，前身为上海恒温控制器厂，成立于1951年，至今已有58年的历史。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。