查询词典 sampling error

To ensure consistency of the data between the two systems and reasonableness of their data, G-M tube detectors of the new system are calibrated and corrected to background, 20% system error was eliminated. After 18 months parallel operation and comparison, the relative error of monthly average reading is mostly less than 5%.

为了确保新旧监测系统数据的衔接与可比性，对新系统CP-110探测器进行了刻度校准和自身本底的补偿校正，纠正了约20%的系统误差；并对新旧系统进行了18个月的并列运行监测，其月均值的相对误差大多小于5%。

Methods The effects of the reading error and the misalignment of the probes on the accuracy of measuring and all the harmonics of roundness were analyzed; The strategy and the algorithm for optimizing the parameters of the measuring system were proposed; The distribution and propagation patterns of the measured errors for all the harmonics of roundness were studied in detail; A software for correcting the errors caused by the measurement error of the angle positions of the probes and the sensitivity difference between three probes was presented.

分析了测头读数及角位置误差对圆度各次谐波及圆周各点测量精度的影响；提出了三点法测量系统的优化策略与算法；研究了三点法测量误差的分布与传递规律；提出了克服测头定位误差以及3个测头的灵敏度不一致影响的软件校正方法。

For computation the truncation error of scheme and accumulation of truncation error are analyzed.

本文从截断误差和截断误差传播的角度分析了计算总误差，并提出了误差累积模式。

The truncation error of CSCD is derived and compared with some symmetric finite difference methods having the same order of accuracy,which shows that CSCD has the smallest coefficients in error terms.

从定性角度，得出同阶中心差分格式中，CSCD格式的截断误差系数最小的结论。

In order to reduce error of Nu number at large Ra number and thermal diffusivity, we analyze truncation error of corresponding heat-transfer equation and introduce an adjusting parameter in the equilibrium distribution function.

针对一二阶精度模型在Ra数极高或热传导系数极大时，Nu数的计算与经验值相比出现较大偏差，分析LBM对应宏观热传导方程的截断误差后，在平衡分布函数中引进一个调节因子。

Error-control coding technology is very important to reduce error probability and improve dependability in satellite communication.

在卫星通讯中，差错控制编码技术对降低误码率、提高通信的可靠性具有非常重要的作用。

It also has better error characteristics and lead to more efficient error recovery procedures, as it deals with smaller entities.

分组交换的误码特性较好，由于它只涉及很短的长度，因而导致了更高效的纠错方式。

ABSTRACT This thesis investigated the technology of error diagnosis and error recovery in flexible assembly systems .

柔性装配系统中所固有的不确定性常导致系统工作发生故障，这是影响其得以实际应用的一个关键。

It also has better error characteristics and leads to more efficient error recovery procedures, as it deals with smaller entities.

分组交换的误码特性较好，由于它只涉及很短的长度，因而导致了高效的纠错方式。

The expressions of polynomial and neural network are used to approximate angular error, it is demonstrated that the variance error by using neural network is smaller, which raises a higher request on the performance of the computer.

本文研究了误差模型的存贮方式问题，对于误差拟合采用了多项式法和神经网络方法，神经网络法的逼近程度高，但对计算机的性能要求也高。

Many will continue to choose to live in duality and in conflict.

许多人将继续选择活在二元对立性和冲突中。

I find that students of the University of Physical Education all wear sportswear at first sight.

我发现：体育大学的学生乍一看，都是穿运动衣，大家都一样