查询词典 truncation

The motion, creation and annihilation of phase singularities occur in the focal region, which depends on the truncation parameter,the spherical aberration and the half angle of the aperture lens.

在焦区位相奇点会出现移动、产生和湮灭，并与截断参数、球差和光阑透镜半角有关。

The truncation order of the spherical cap harmonic model is 8, the pole of the spherical cap is at 36°N and 104°E, and its half-angle is 30°.

冠谐模型的截断阶数为 8，球冠极位于 36°N和 10 4°E ，球冠半角为 30°。

The truncation order of the spherical cap harmonic model is 8, the pole of the spherical cap is at 36°N and 104°E, and its halfangle is 30°.

冠谐模型的截断阶数为8，球冠极位于36°N和104°E，球冠半角为30°。

In order to avoid time consuming solution of equations in complex structure dynamics analysis, modal truncation method was studied herein.

以某一型号塔吊为例，验证了以DC增益作为模态截断判据的有效性，为复杂结构的动态特性分析提供了一种可行的方法。

A kind of finite element analyzing software "ANSYS" is used to calculate the temperature field of cable system; Finally, Subtense truncation approach is used to calculate the ampacity of cable system with equal load.

根据地下直埋电缆的温度场特性，将开域场转化为四个边分别符合第一、二和三类边界条件的四边形有界热场问题，然后利用有限元法计算场域内的温度场分布，最后用迭代的方法确定电力电缆的载流量。

By comparison with some traditional differentiation methods, such as divided differences, by-hand coding and symbolic differentiation, AD is characterized by a lot of virtues, e.g., truncation error free, less running cost and less human labor required.

比起传统意义上的计算微分方法来，自动微分具有计算精度高、计算代价小及投入人力少等优点。

At the same time, it has been calculated its truncation errors by using multi-dimensional Taylor formula and analyzed the stability by the discrete Fourier transform. At last, the conclusion of the stable difference schemes has been drawn.

同时，应用多维泰勒公式计算出它的截断误差，并在此基础上利用离散傅立叶方法分析了稳定性，得出此格式恒稳定的结论。

This paper proposed a method to estimate and compensate the differential truncation error using tracking and telemeted data.

如何辨识和估计观测数据包含的各种误差，理论和实际均做了大量讨论，建立了诸多比较实用的方法[2～4]。

The minimum distance method is used to match SVD feature extraction and the truncation error method is for PCA.

针对奇异值分解的特征提取采用的是最小距离分类法，针对主成分分析的特征提取采用的是截断误差分类法。

According to the characteristics of DSP fixed-point processing, a fixed-point algorithm which can cancel truncation error is proposed and realized.

根据定点补码运算的特点提出并实现了消除移位截断误差的高效算法。

A historical region of southwest France between the Pyrenees and the Garonne River. The duchy of Aquitaine was joined with France after the marriage of Eleanor of Aquitaine to King Louis VII in1137, but its possession was disputed after her subsequent marriage to Henry II of England.

阿基坦法国西南部一个历史地区，位于比利牛斯山和加隆河之间，在1137年阿基坦的埃莉诺与国王路易斯七世结婚之后阿基坦公国加入法国，但当她再嫁英国亨利二世后，其归属权便受到争议

There are moments when I look at the smiling , happy faces of my expectant staff and wonder how they will cope when confronted by an outraged housemaster along with an unrepentant and recalcitrant bleached blond teenager in 18 years ' time .

有时候，我看着那些满怀期待的员工微笑，幸福的脸，想着当他们遇到一位愤怒的宿舍管理员和一位不知悔改，叛逆，而且将头发染成白色的18岁少年时，他们会如何处理。