查询词典 approximate calculation

However, combining image plane DHM with the phase-shifting in-line technique, the complex amplitude of reconstructed image can be obtained without using Fresnel integral, moreover the approximate error of reconstruction calculation is easily eliminated and the signal-to-noise ratio of reconstructed image is significantly improved.

理论分析和实验证明，用这种方法无需使用菲涅尔积分即可直接获得再现像的复振幅，提高了再现像的信噪比，避免了再现中的近似误差。

This suggests that for the calculation of hadron propagators the two methods can yield closely approximate results.

由于强子的谱表示是没有鬼点的，由它我们可以简单而直接得到没有鬼点的强子传播子。

The fact that two incommensurable collections of miscellaneous objects cannot in themselves provide the material for a quantitative analysis need not, of course, prevent us from making approximate statistical comparisons, depending on some broad element of judgment rather than of strict calculation which may possess significance and validity within certain limits.

当然，两组混杂的不具有可比性的事物本身不能作为定量分析的对象，但这一事实并不是让我们放弃严格的计算而依靠某些宽泛的判断要点进行粗略的统计比较，尽管这种比较在一定限度内颇具重要性和有效性。

An approximate equivalent model for the calculation of coil inductance of eddy-current sensor has been suggested and so a satisfactory formula deri- ved forpractical evaluation.

本文为计算电涡流传感器线圈的自感而提出了近似的等效模型并得出了较为理想的计算公式。

Algebraic formulas for calculation of modal field with given approximate value of propagation constant are also presented .

导出了用微扰法计算渐变折射率平面波导传播常数各级近似值的代数递推公式，并给出了由传播常数近似值计算模场近似表达式的代数公式。

In this paper, the analysis indicated the result about modificative approximate calculating method of typical line, dovetailing into the experimental data. The calculation method, in this paper, can apply engineering analysis and design study of unsteady flow in the system of hydrodynamic piping network.

结果表明，本文推导的带修正的拟特征线数值计算方法的结果与我们的实验数据基本吻合，本文的计算方法可以应用到水力管网系统中非定常流动特性的工程分析与设计研究。

Through to the outline basic point, nodal calculation procedure, and simulation emulation design of system, can compare outline describe precision, control the quality of part processing, know that the approximate law that described of the part.

通过对零件轮廓的基点、节点计算程序的设计，以及模拟仿真系统的设计，可以比较轮廓描述精度，控制零件加工质量，掌握零件近似描述的规律。

In the numerical calculation of the tunneling transmission probability we adopt the multistep approximation to approximate the whole potential barrier.

在电子穿隧机率的数值计算上，使用多阶近似的方式成就整个位能障的穿隧机率之计算。

Highly precise quadra order non-linear formula is set up, which gives the satisfactory density value of highly pure aluminum (99.999~99.99999 %) at 20 oC.Linear approximate formula for the density calculation of 99.75% primary aluminum (molten point in the range of 658.7℃～1100℃) derived f...

以Jagrangian插值的二次多项式和一次多项式导出的 99.75 %原铝(熔点 6 5 8.7℃～ 1 1 0 0℃)的密度计算的线性近似式、该式子较文献〔1〕所述的还要简单，而数值计算结果却高度吻合。

Inscribed polygons are used to approximate a circle, and the number of line segments compose the polygon is detemined by the radius and its image of a circle. Calculation of rotation angles between circle and world coordinate systems with normal vector of circles is also discussed. The proposed approach is tested with several real image data, and results are very satisfying.

讨论了利用空间圆所在平面的法向向量计算空间圆局部坐标系相对于物方坐标系的两个旋转角的方法，系统论述了基于物方直接解和直线段最小二乘模板匹配方法进行空间圆匹配与重建的数学模型，并利用实际图像数据进行了重建实验，取得了较好的重建结果。

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％。