误差

At last, it's illustrated by the theoretic ranging error curve that the relative ranging error is less than that of the irradiance measurement.

最后，给出了文中算法的理论误差曲线，分析表明该测距误差小于辐照度的测量误差。

The aim of this paper is to explain the existence and certainty of the solution of form error separation equation.

形状误差分离的根本问题是误差分离方程的求解，其解是否存在，决定了形状误差能否分离。

At the same time, ambient temperature changes affect the acceleration of the method There is a certain measurement error, but the error of law stronger, from the basic structure, measuring principle, numerical and other aspects of the process of measuring the inclination and measurement system The structure of error correction for analysis.

同时，由于环境温度变化时对加速度计的影响，该方法存在一定的测量误差，但误差分布规律性较强，因此从基本结构、测量原理、数值计算等方面对倾斜度测量的过程和测量系统结构误差的校正进行分析。

Study on application and simulation of Kalman filter technology in SINS Because Kalman filter some merits, such as provided a fast and accurate method for SINS, adopting it to do initial alignment in this paper. The Kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first. Using velocity error as exterior value of observation, maneuverable characteristic that is influenced with system's observability and its degree is studied at length by do amount of simulations and experiences.

首先介绍了卡尔曼滤波理论及相关技术，建立了系统卡尔曼滤波的状态方程和观测方程；首先采用速度误差作为观测值，详尽的研究了系统机动特性对可观测性和可观测度的影响，并做了大量仿真实验：通过对滤波原理的分析研究了影响的原因；分别选用加速度计输出误差和转台输出姿态角误差作为外部观测值，推导建立它们的观测模型，并通过仿真证明了分析结论的正确性。

The results are revealed that reading error of the thermocouple in the course of dynamic response is mainly ca...

结果显示：在动态响应过程中热电偶读数误差主要决定于热电偶测头以及热电偶隔热罩的辐射热损失，并且它的辐射热损失又受热电偶测头的滞后时间常数τ0 的限制；随着动态响应过程的进行，热电偶读数的误差急剧变化；当τ=3τ0时，基本上可以认为动态响应过程结束，但升温变化时误差更大。

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。

It is different from traditional concept that the concept dynamic roughness includes influence of model error, truncation error, observation error and so on.

此时的糙率与传统的概念有明显的不同，它包含了模型误差，截断误差，观测误差等各方面的综合影响。

Both upper bound formula and lower bound formula of the global truncation error of Euler method have been derived theoretically.After making certain approximat e processing,the derived upper formula changes into current upper bound formula.

从理论上推导出了欧拉方法的整体截断误差的上限公式和下限公式，作一定的近似后，得到的整体截断误差上限公式就变为现用的整体截断误差上限公式。

According to the evaluation models of form error,the probability distribution types of form error are researched,and the uncertainty of measurement result of form error is estimated with them.

3根据形状误差的评定模型，研究了形状误差的概率分布类型，并据此对形状误差的测量结果不确定度进行估计。

Absolute error: The variance between the value measured by the meter and the actual value of the object being measured.

测量误差（3）Measuring error：①绝对误差：仪表测量出的数值与被测量对象的实际值之间的差值称为绝对误差。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。