查询词典 sampling error

To study the calibration accuracy of stuctured light system based on cross-ratio invariant,measuring error and light-plane calibration error of system are analyzed,and an error propagation model is established by employing theories of error and matrix disturbance.

针对基于交比不变原理的结构光光平面标定方法，利用误差分析理论和矩阵扰动原理分别对系统的测量误差和光平面标定误差进行分析，提出了结构光测量系统的误差传递模型。

Based on analyzing performance of gear machining system and mechanism of machining error, the description method of machining error was presented for gear machine. According to the performance-driven design concept and generalized multi-body certainty theory, driven by gear machining error, machining error fine model and system integrated design method of CNC gear shaper was studied.

本文在分析齿轮加工机床的系统性能和加工误差产生机理的基础上，提出了加工误差描述方法；以&性能驱动设计&为基本理念，以齿轮加工误差为驱动，以广义确定性多体系统为理论基础，研究了数控插齿机加工误差精细分析和系统集成设计方法。

For total absorption coefficient at 443 nm (a443), the root-mean-square-error is 0.046 in the South China Sea, with an averaged percentage error of 7.9%, and averaged error in log scale close to 0. For coastal waters off Fujian, RMSE, an averaged percentage error and δ are 0.194, 30.6%, and -0.167, respectively.

对于443 nm的总吸收系数（a443 ），南海的对数均方根误差为0.046，平均相对误差为7.9%，对数平均偏差为0；福建沿岸水体的对数均方根误差为0.194，平均相对误差为30.6%，对数平均偏差为-0.167 。

According to the engage relation of cycloidal gear with the pin wheel in type 2K V transmission,the formulas of relationship between transmission precision and mesh error of the actual profile of gears are established; then a synthesis mesh error is proposed as a quantified concourse of error to judge the transmission error,therefor the machining tolerances relative to transmission precision have quantificational relation,which is the basis for machining high precision 2K V drives with cycloidal gears.

根据 2K—V型传动中摆线轮与针轮的啮合关系，建立了实际齿廓的啮合误差与传动精度关系的计算式，并提出了综合啮合误差这一量化误差集合来评判传动误差，使得加工公差与传动精度有一个定量的关系，从而为研制开发高精度摆线齿 2K V型传动的加工制造提供了依据。

Retval and errmsg will be error code and userfriendly error message which can be thrown to enduser from the frontend application OR Pass the retval and error message to application error handler routine.

retval和errmsg将错误代码和用户友好的错误信息，可为最终用户抛出从或通过前端应用retval和错误信息，应用程序错误处理例程。&/页&

Simulation results show that, for the fixed sampling frequency, the error rises with the frequency increasing of periodic signal, and decreases with the attenuation time constant increasing of non-periodic signal. The sampling frequency determines the upper limit of appropriate frequency band directly. The research provides the basis for the selection of cutoff frequency in filter design.

仿真结果表明，在采样频率确定时，对于周期信号，计算误差随频率的增加而增大，而对于非周期信号，计算误差随衰减时间常数的增大而减小，采样频率大小决定了插值法用于分布参数模型的适用频带上限，该研究为滤波器设计中截止频率的选择提供了依据。

The the probabilistic forecasting method of the error between the sample mean and expectation value of the random variable utilizing the central limit theory was researched, then the mathematical formula for the relation between sampling size and variance coefficient of loss of load probability was analyzed. Furthermore, the formulas for the relation between confidence intervals of variance coefficient and sampling size are deduced.

基于中心极限定理深入研究随机变量的样本均值与期望值之间误差的概率预测方法，在此基础上分析失负荷概率(loss of load probability，LOLP)指标的方差系数和样本容量之间的关系表达式，导出方差系数给定时的样本容量置信区间公式及样本容量给定时的方差系数置信区间公式。

However, if the investigation determines that the initial sampling method was in error, a new accurate sampling method must be developed, qualified, and documented §§ 211.160 and 165

但是，如果调查确定最初取样方法是错误的，应该研究一个新的正确的取样方法并进行确认、并形成文件§§ 211.160 and 165

In addition, the linear interpolation problem is discussed, midpoint sampling interpolation and double-point sampling interpolation are provided. The convexconcave property of linear error is studied.

另外本文还研究了并联机床的线性插补问题，提出了中点采样插补法和双点采样插补法，文中对采样偏差的凹凸性进行了分析。

Based on this formula, the effects on the measurent result caused by synchronizing error, sampling number, starting sampling point under arbitary irregular wave condition can be clearly analysed.

根据这一公式，可在任意畸变波形条件下分析由同步误差、采样点数、采样起点等对测量结果的影响。

Fostering the concept of multi-culture firmly and mastering the development of advanced culture correctly are conductive to resisting terrorism, separatism of nationalities and ultraism of religion, which is of great academic theoretical, immediate and profound historical si...

牢固树立多元文化的理念和正确把握先进文化的发展方向，有助于在世界范围内自觉地抵制恐怖主义，民族分裂主义和宗教极端主义。不仅具有重大的学术理论意义，而且也具有重大的现实意义和深远的历史意义。

But if anyone walks in the night, he stumbles, because the light is not in him.

11：10 若在黑夜行走，就必碰跌，因为那光不在他里面。