1、

In this paper, a kind of generalized difference methods for Poisson's equation was given. The trial function space is coupling finite element space and the test function space is piecewise constant space about the dual elements, also the error estimate was given.

本文讨论了耦合有限元空间上Poisson方程的一种广义差分法,试探函数空间为耦合的有限元空间,检验函数空间为与对偶单元相对应的分片常数空间,并给出了误差估计。

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2、

Then a cable force calculation model is established in which the sum of squares of main beam datum mark's relative error is defined as target function, with main beam moments as constraint condition and cable force as optimization variable.

本文提出了以斜拉桥主梁标高相对误差的平方和最小为目标函数,以主梁内力(弯矩)为约束条件,以索力为优化变量,建立了最优施工控制的索力计算调整模型。

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4、

For the large error in traditional fatigue life prediction, membership function to the life estimation was introduced in order to form fatigue life estimation method based on fuzzy revised Miner rule.

简要回顾了该领域国内外的研究成果,并分析总结了疲劳理论知识,针对传统疲劳寿命预测误差较大的问题,将隶属函数引入到寿命估算中,形成基于模糊修正Miner法则的疲劳寿命估算方法。

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5、

An attempt to offer a new treatment of end point error in precipitation titration by using hyperbolic sine function is given in this paper.

基于沉淀滴定基本原理,利用双曲正弦函数性质提出了一种处理沉淀滴定终点误差的新方法。

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6、

The optimization algorithm of inverse analysis from displacements has been suggested accounting of several minimums of the objective function and the results of convergence depending on initial values and measured error.

针对目标函数多极值性、收敛结果与初值及观测误差相关等问题,提出了一种位移反演分析优化算法。

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7、

In this paper deduces an aim-functional approximative formula is derived in the range of the allowable error and the simple formula for optimum section is found.

本文在允许误差范围内,导出了目标函数的近似式,并给出了优化截面的简化公式。

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8、

Reach a conclusion, experiment condition select. function of instrument and experiment operate technology etc will produce error.

分析得出在实验过程中,实验条件的选择、仪器性能及实验操作技术等均会引起实验误差。

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9、

A number theoretic function and its error term of mean value

一个数论函数及其均值误差项

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10、

This paper analyzes the relationship between China's fuel oil prices and WTI prices with the help of co-integration test, error correction model, variance decomposition and impulse response function.

运用相关性检验、协整检验、误差修正模型、方差分解与脉冲响应模型分析等方法,对我国燃料油与国际基准油WTI油价之间的关系进行了实证分析。

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11、

at last, by error analysis of parameter, rational function was proved to be effective for the building of model.

最后通过对参数的误差影响进行分析可以看出,有理函数法对系统模型的建立是相当有效的。

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12、

The constant of the function is also determined by our experiment. This method is introduced into the polish process and the materials ′ error correction.

通过实验确定了该函数磨损时间常数值并将该方法用于计算机控制的抛光和误差修正。

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13、

Uniform Convergence Rates of the Wavelet Estimator of Regression Function Under Mixing Error

混合误差下回归函数小波估计的一致收敛速度

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14、

Relations between bit error rate and average received signal-to-noise ratio ( SNR) in AWGN channel were derived for three modulation modes defined by Bluetooth 2.0+ EDR new specification. The function expressions of packet retransmission probability and average received SNR of ACL packets were put forward.

分析了蓝牙2.0+EDR新规范定义的3种调制方式在AWGN信道下的位错误率与平均接收信噪比的关系,推导了ACL分组的重传概率与平均接收信噪比的函数表达式。

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15、

Using the simultaneously multi-axis movement function of control system, constantly tangential NC turning technology for the purpose of eliminating the direct effect caused by form error of tool nose can be realized via three simultaneous controllable axes, including x-axis, z-axis and the tool carrier.

利用控制系统的多轴联动控制功能,使该刀架与数控车床X、Z轴实现三轴联动,则可实现曲面恒切向车削,以消除刀具刀尖形状误差对曲面加工精度的影响。

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16、

The exponential rate of convergence of the conditional mean absolute error for the kernel estimate of nonparametric regression function

非参数回归核估计的条件平均绝对误差的指数收敛速度

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17、
18、

Comparing with conventional function based on generalized likelihood ratio, the new one considers estimate error in fused target position, which is more accurate to reflect the relationship between measurements and targets.

与传统的基于广义似然比的代价函数不同,改进的代价函数在计算中融入了目标位置的估计方差,能够更加准确地反映量测与目标之间的相关程度。

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19、

For example, in our applications, the standard error message will be displayed in the message line, just above the function key line in the lower part of screen.

例如,在我们的应用程序中,标准错误信息将显示在消息行中,正好在屏幕下部的功能键显示区之上。

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