量子测量中精度的标准极限,源于与可计数离散粒子,而不是连续量相关的统计误差。
The standard limit on the precision with which a quantum measurement can be carried out is due to the statistical error associated with counting discrete particles rather than continuous quantities.
这些误差严重影响着陀螺仪的精度。
本文从工程实际出发,分析了影响电液位置伺服系统精度误差的来源,并对各主要因素作了定量的分析计算。
This paper analyzes the sources of effecting the error of the accuracy in electrohydraulic position servo system, and carries out quantitative analysis and calculation to main factors.
步进电机有一定的步距精度,没有累积误差。
Stepping motor has certain step distance, have no cumulative error precision.
差分gps定位技术是通过基站与移动站之间的空间相关性,来消除公共误差部分,以提高定位精度。
Differential GPS can eliminate the common error to improve the positioning precision by a spatial correlation between the base station and the mobile station.
这里主要运用不同的灰色系统理论模型对实验数据进行拟合,误差分析显示精度是很高的。
Here different grey system theoretical models are used to fit the experiment data; the error analysis demonstrates that the precision is high.
应用加速度计静态温度模型进行温度误差补偿,模型精度显著提高。
Application acceleration model for the static temperature compensation for temperature error, model accuracy improved significantly.
现有的密度补偿模型不适合高温高压饱和蒸汽的流量测量,密度补偿精度较低,导致蒸汽流量测量误差较大。
The existing density compensator model does not fit high temperature and pressure saturated vapor, the density compensator precision is low and causes big error in saturated vapor measurement.
估计GM(1,1)模型中的参数通常采用最小二乘准则,而在模型精度检验时又常采用平均相对误差。
Estimation of GM (1, 1) model parameter usually adopts the least square criterion, but test of model precision often USES average relative error criterion.
模拟结果同时证实,除非水均衡误差也相当小,否则水头变化收敛指标较小时收敛的计算也不能保证计算结果有可靠的精度。
Verified by simulation results reliable accuracy of calculated results can not be guaranteed for small head change convergence index unless the error of water balance is small too.
叙述了液柱式压力计的精度,对U形管压力计和双管差压计的正确使用方法及误差修正做了简要分析。
The precision of liquid column manometer was described. The correct use method and error correction of U tube manometer and double tube differential pressure gauge were analysed.
本文对加工工艺系统中影响加工精度的各项误差作了新的定义。
This article gives new definitions to various errors which impair the machining precision in technological system.
实测数据计算结果表明,选优后的误差修正模型可有效提高目标定位精度。
Computation results with flight experiment data indicate that the error correction models effectively increase rocket positioning accuracy after optimization.
根据形状差异和广义图像误差对微操作定位精度的影响,给出了形状差异的矫正算法。
A correction algorithm for shape difference is given according to the influence of shape difference and generalized image error on positioning accuracy of micromanipulation.
分析了这一过程中的精度和误差,使这一过程及方法更具可靠性。
The precision and error are analyzed in this process, making it more reliable.
为了尽可能减小各种随机误差对平衡精度的影响,还提出了递推改进算法。
In order to minimize the influence of all kinds of random errors on balance precision, an improved recursive algorithm was also proposed.
实践证明该算法具有计算速度快、预测精度高、预测误差变化小等优点。
Practical examples prove its fast calculation speed , high forecast accuracy and small error variety.
提出了主应力的偏角误差概念及其计算方法,使主应力方向的精度评定更加真实客观。
Precision estimation of principal direction is more objective by using principal stress deflection error proposed in this paper.
特别是我们可以根据需要控制测量的精度并且计算测量的误差。
Especially, we can control the precision and calculate the error by ourselves.
为有效提高动态测量精度,动态测量误差修正技术已成为当今引人注目的主要技术措施之一。
Nowadays, in order to improve dynamic measurement precision effectively, the correction technique for dynamic errors has become one of the main techniques.
比较详细地分析了快速汉克尔变换误差原因,给出修正方案,有效地提高了算法精度。
The article has analyzed error cause of fast hankel transform in detail, and the correction schemes are gived, and has effectively raised the algorithm accuracy.
在不考虑摄像机内外参数标定误差的情况下,研究了标志点像元的测量精度对运动参数测量的影响。
The relationship between the detection of feature points and the measurement of motion parameters is studied in this instance of ignoring the camera calibrate errors.
为了满足机器人在线实时控制的要求及进一步提高运算精度,提出用迭代计算进行误差补偿的方法。
In order to meet the request of on-line and real-time control of robot and enhance the precision it puts forth way of error-compensation using repetitious calculation.
误差实验结果表明,该补偿方法可以提高姿态测量的精度。
Test results show that these methods significantly improve the attitude measurement precision.
分析各种定位参数的偏差和误差对定位精度的影响;
The effects of uncertainties of various parameters on location accuracy are given.
文中还分析了进给传动链的瞬态响应、稳态误差以及加于传动链上的犹动对加工精度的影响。
In this paper, it is researched that the transient response, the static accuracy and the disturbance exert an influence on the working accuracy.
采用这种误差补偿方法可以大大地提高车削多面体的精度,扩大车削多面体的尺寸范围。
The machining precision can be improved and the dimension scope of machining the polygon prism is enlarged by using the proposed compensation method.
圆度误差值为组建用于动态测量精度理论研究的分析实验系统做准备。
The roundness error serves the preparation for setting up the analyzing experiment system for theory research of dynamic measurement precision.
圆度误差值为组建用于动态测量精度理论研究的分析实验系统做准备。
The roundness error serves the preparation for setting up the analyzing experiment system for theory research of dynamic measurement precision.
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