查询词典 error of measurement

At last, the factors affecting pitch measurement accuracy of Marh891E Gear measurement center was analyzed; the hardware and the software of the ultra-precision gear total cumulative pitch error measurement device were improved, which perfected measurement system and increased the measurement efficiency and accuracy.

本文最后分析了Marh891E齿轮测量中心上、下顶尖不同轴对被测件齿距精度的影响，并通过具体分析对其进行调整；对超精密齿轮齿距累积总偏差测量装置的硬件控制部分及软件部分做了改进，完善测量系统，提高检测效率和精度。

On the aspect of error compensation, the system using the geometric average sound pressure instead of the arithmetic average sound pressure to get the sound pressure of the measurement point. This method not only reduces the high frequency error in the sound intensity measurement, which compensates the finite difference approximation error, but also greatly reduces the computation of the sound pressure spectrum.

误差补偿方面，课题采用几何平均声压代替通常的算术平均声压来计算双传声器法的声场声压值，这样不仅可以有效的减少声强测量中的高频误差，对有限差分误差起到了补偿作用，而且还大大减小了声压谱计算中的计算量。

First of all, we introduce some interval methods and propose a new approach to find confidence interval for the slope in homoscedastic measurement error models. The performance of the interval estimation is compared in terms of both coverage probability and its diameter via simulation studies. Second, we suggest two approaches to estimate confidence intervals for the slope and joint confidence regions for both intercept and slope in heteroscedastic measurement error models. Application of these methods are illustrated with real data sets.

首先，当测量误差的变异是同质性时，我们对斜率项参数建构信赖区间，除了回顾已发表的方法外，也提出一个新的方法，建议的区间方法分别和已存在的方法做模拟比较，比较的标准建构在覆盖机率和平均长度上；另外，当测量误差的变异是异质性时，我们不仅对斜率项参数建构信赖区间提出新的方法，也对截距项参数和斜率项参数建构联合信赖区间。

According to the observation experiment at the Jiufeng station where there is smaller environment noise, the conclusions are drawn as follows.In the normal atmosphere, the observed value is about 500×10-5ms-2, which is greater than theoretical value about 30×10-5ms-2, and if in the low vacuum, the observational error about 2.3×10-5ms-2 is generated. The vacuum maintaining system in falling room can not work normally, which will yield 0.1~4.1×10-5ms-2 error to the gravimetric observation. In the case of that the measurement is in the stable geological conditions and the smaller environment noise, the action of vibration isolating spring is not obvious, but it yields greater effects on measurement accuracy.

通过在环境干扰较小的九峰站观测实验，得到如下结论：在正常大气压状态下所观测到的空气阻力影响约500×10-5ms-2，比理论估算值大近30×10-5ms-2，若在低真空状态测量空气阻力也将产生2.3×10-5ms-2观测误差；落体室真空度维持系统工作不正常，空气阻力也将对重力观测造成0.1~4.1×10-5ms-2的观测误差；在地质条件比较稳定，环境震动干扰较小的基墩上测量，隔震弹簧的作用对观测结果影响不明显，但对测量精度影响较大。

This paper discusses a fast calculation method of GPS carrier phase integer ambiguity resolution, analyze independent variables in search space, derivate new residual transition matrix which directly associates all measurement error with minimum search space, and search space is minimized through selecting the ambiguity combination which is consistent with satellite geometry size and measurement error.

探讨了一种GPS载波相位整周模糊度的快速求解方法，分析了搜索空间中的独立变量，推导出了新的传递矩阵。该矩阵将所有的测量残差直接和最小求解搜索空间相关联，通过仅选择那些与卫星几何尺寸和测量残差一致的模糊度的组合，搜索空间被最小化。

With the development of science and technology, the technique of roundness error measurement and detecting is more and more indispensable. Roundness error measurement technique is used in many fields and plays an important role in relate fields.

随着科学技术的发展，对圆度误差检测的需求日益迫切，其检测技术在许多领域具有广泛的应用前景，对推动相关领域的发展具有重要意义。

On ultra precision lathe, author propose the principle of error in-process measurement and compensation of cylinder, end and contour, and use adjusted straightedge and sensor to build error on-line measurement and compensation control system of end turning.

研究了基于模糊数和插值原理的模糊控制算法，并用该算法实现了压电陶瓷微动刀架伺服系统的闭环控制，使其控制精度达到了±0.01μm；在超精密车床上，提出了圆柱面、端面和轮廓加工的误差在线测量与补偿原理，并利用标定的直尺和传感器建立了端面车削误差在线测量和补偿控制系统。

Main factors to bring ultrasonic level measurement error were studied and emendable error model of ultrasonic level measurement instrument was established according to the error characteristics in the process of measuring.

本论文运用化学计量学中的回归分析法、最优化方法、模式识别方法和计算机技术，对原油生产集输过程的实时盘库系统（目前国内尚未解决的难题）和气相色谱分析进行研究，完成了以下研究工作。

Comparison of the synchronous measurement result of this receiver with that of a reference one shows the error trend is the same. The scatter plots of the horizontal error and vertical error distribution show that this measurement system is more stable and can reflect the position information exactly.

该接收机和参考接收机的同步测量结果表明，两个接收机对定位信息获取的误差趋势相同，通过接收机的水平误差散点图和时间序列垂直误差分布图可见，该测量系统较稳定，可准确地反映定位点的位置信息。

Based on the research on sensitivity of geomagnetic declination on wind measurement by UAV with Pitot-static tube,mathematical model of wind speed error to effect of geomagnetic declination is set up in virtue of wind measurement theory and error theory.

从无人机(unmanned aerial vehicle，UAV)皮托-静压管测风对磁偏角的敏感性出发，借助无人机皮托-静压管测风原理和误差理论，建立了磁偏角对测风影响的风速误差数学模型；通过仿真，分析了磁偏角对风速测量的影响和误差变化规律，并通过试验数据验证了仿真结论，为磁偏角的校正，提高风速测量精度提供了参考依据。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。