查询词典 calculation error

The optimizing calculation is based on the reality deformation path and the calculation precise is control by the limit error.

而修改后的切边轮廓再次进行翻边计算，并将其翻边轮廓与目标体轮廓进行比较。

The checking results of field data shows that the calculation accuracy of THD is relatively higher and the calculation error of harmonic ratio is not more tha.

对现场实测数据的验算结果表明，所提方法对总谐波畸变率的计算精度较高，对各次谐波含有率的计算误差在4%以内。

For the ill conditioned load flow caused by the error produced in the transformation from electricity quantities to average power, direct current load flow and sensitivity vector are presented to find out the ill node, then by adjusting the load curve and generation curve in a certain principle, which is shown in detail with several flow charts, a new operation mode is reestablished to ensure the convergence of the calculation. Optimal multiplier method is proposed to work out the least square solution according to ill conditioned structural power network. The electricity quantities flow method enhances the reliability and accuracy of the calculation of the power transmission losses.

该方法可根据当前输电网中各个变电站24小时的电量记录，利用电量潮流计算对输电网总线损和各条线路损耗进行计算，使计算的精度满足降损措施分析和指标考核的要求；并且对于由负荷出力曲线转化成平均功率计算潮流时引入的误差，进而导致潮流计算不收敛的情况，采用直流潮流法，依据相角对有功功率的灵敏度向量判断出"网络异常点"，并且给出了解决此种情况的方法流程图；针对结构病态的电力系统潮流计算不收敛的情况，运用非线性约束优化方法中的最优乘子法求解潮流方程的最小二乘解，从而解决了电量潮流法计算理论线损时的收敛性问题，增强了该方法的适用性。

The error between numerical calculation results and theoretical calculation ones is no more than 5%. So, the basic fracturing characteristics and scope of an ice medium below -15℃ may be determined.

数值计算值与理论计算值误差不超过5%，数值模拟结果与实验结果吻合，从而确定了无限区域冰体在-15℃时的基本破坏特征及范围。

Chapter 3 analyzes numerically the effects for orbit calculation caused by orbital perturbation, parameter error and so on. A precise mathematical model of orbit calculation is given.

第三章通过数值法分析了各项轨道摄动和参数误差等因素的对轨道计算的影响，给出了精确的月球探测器轨道计算数学模型。

The paper makes Correction for the error in the calculation method of phase constant of Symmetrical transmission line often used at present, and gives the accurate calculation formula of β that is not only convenient to use but also suitable to program for computer.

1相移常数计算中存在的问题在对称传输线一次和二次传输参数的计算中，目前广泛采用开、短路测试法。利用这种方法获得的传输参数大多具有较高的准确性，其结果一般是令人满意的。

In this system, the mathematic model of infrared thermometry calculation is established, and appropriate formulas for error analysis and calculation are obtained.

本文结合红外测温技术和非致冷焦平面热成像技术原理，开发并完成了一套非致冷红外焦平面热成像测温系统。

The research result shows that the relative error between the calculation result and the measurement result is less than 9.034%.This numerical calculation method can be used to calculate and analyze the temperature field of the power train compartment body and can meet the needs of engineering applications basically.

研究结果表明，动力舱体温度场的计算结果与测试结果的相对误差小于9.034%，所使用的数值计算方法可用于动力舱体温度场的数值计算及分析，基本满足工程设计的需要。

The calculation results show that the aromatic delocalizing electronic structure including in TATB brings a systematical serious error to the calculation of heat of formation.

计算并讨论了TATB的生成焓。

It is given that the connection between interception probability and orbit intersection angle as well as time error under the instance that the main body of objective satellite is destroyed. The choice of orbit intersection angle is expatiated when time error exists by simulation calculation.

研究了对目标卫星主体毁伤情况下，轨道交角和交会时间偏差与拦截卫星拦截概率之间的关系；阐述了有一定交会时间偏差时，轨道交角的选择情况，并对其进行了仿真计算。

"Second Life is remarkably easy to work with, and is very popular,"

"第二次生命是显着容易的工作，并且很受欢迎，"

For example, we usually assume that materials are homogeneous and isotropic and free of internal defects or flaws.

为了得到适合有限元分析的模型，我们必须经过如图2所示的简化步骤。