查询词典 error analysis

The absorbing performance of one dimensional PML is theoretically analyzed and numerically simulated in view of the error caused by finite difference approximation, respectively, whose results show that this theoretical analysis can exactly indicate practical circumstances.

在计及有限差分近似造成的误差下，理论分析和数值模拟了一维理想匹配层的吸收性能，结果表明这种理论分析能完全反映实际情况。

Based on fluidic network analysis method, the conception of common mode error of pressure drop fluctuation measurement system was investigated.

主要针对以差压变送器为核心的动态差压检测系统的特点，应用流体网络分析方法，提出了动态差压检测系统中的共模误差问题。

With the knowledge of linear algebra, general formula for arbitrary order Taylor finite difference has been derived. In this paper, the analysis of spectral property and computational error of arbitrary order TFD is presented in detail. Then it is applied into the numerical solution of Maxwell's equations. Stability condition and numerical dispersion relation are derived.

本文借助于采样定理，详细分析了不同阶Taylor中心差分格式的谱特性以及计算误差，并将任意阶Taylor中心差分格式用于数值求解麦克斯韦方程中，严格导出了稳定性条件和数值色散关系的表达式，引入了新的误差定义来衡量算法的好坏。

Starting in terms of plural method, this paper points out the limitations of rational methods, and take an analysis on the significance of non-rational method. It introduces the 'trial and error method' of Popper, the 'radiative thinking' of Kuhn, the 'Gestalt psychology' of Wittgenstein and some other methods in science innovation.

本文从多元方法论的角度入手，指出理性方法的局限性，并对科学研究中非理性方法的重要性做了分析，重点介绍了波普尔的"试错法"、库恩的"发散式思维"和维特根斯坦的"格式塔心理学"及其他在科学创新中使用的非理性方法。

The paper focus on the detailed structure of the optical system in helmet mounted electro optical sight scanning system,and makes analysis of the principle error caused by ten side prism reflector non direction fit axis rotation in measuring its head position,it further derives two formulas for base line correction and goniometry correction.

就某型光电头盔瞄准具扫描部件光学系统具体结构，分析研究了其头位测量中十棱镜反射面非共面定轴转动所致原理误差，导出了基线校正、测角校正两种校正公式。

Theoretical analysis and comparison between computational results and experiments show that crossflow diffusion caused by grid lines is the most important error and grid line justification is the effective way to decrease crossflow diffusion.

理论分析和数值与实验间的比较结果表明，由于网格线的不合理布置导致的伪扩散误差是切向燃烧流场模拟中的主要误差。

The principles of sensor network redundancy analysis, gross error detection and data reconciliation in static linear systems were introduced.

介绍了稳态线性系统的数据协调、显著误差检测和系统冗余性分析的基本原理。

Literatures on sensor network redundancy analysis, gross error detection and data reconciliation were surveyed.

对测量网冗余度分析、显著误差检测和数据协调分别作了文献综述。

Our analysis shows that it is important to have a reasonable yardstick to assess the relative merits of competing models. Based on the viewpoint of a hedger, we recommend the hedging error to be the loss function in judging out-of-sample performance.

我们的分析显示用一个合理的评价标准去衡量不同模型间相对优点是相当重要的，基於避险者的角度，我们建议使用避险误差作为损失函数来评定样本外的绩效。

ABSTRACT A systematic study on optical heterodyne technology in principle, system composition, error and accuracy analysis, and its applications in photomechanics is presented in this dissertation.

本文从原理、系统组成、误差与精度分析、光外差技术在光测力学中的应用等多方面对光外差技术进行了比较系统的研究。

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％。