但当时,人们迷信仪器的测量,相信这个与实际长度误差很大的数字。
But at that time, people superstitious instrument, believe this with the actual length error of large Numbers.
本实用新型锚固可靠,对钢丝镦头质量和同束钢丝长度误差无严格要求。
The utility model has reliable anchoring, having no strict requirement on the heading quality of the steel wires and the length of steel wires in the same bundle.
将铰链制造误差映射为驱动轴长度误差,并据此开发出误差实时补偿算法。
The simulation analyzed the error distribution in the workspace with an algorithm developed to compensate for these errors.
最后通过算例说明地理曲线误差带的可视化方法和曲线长度误差估计公式的应用。
Examples are provided to show the visualization of error bands of geographical curves and the use of error equations of line length.
由于原点不确定的关系,电源投入后,第一个输出信号长度误差介于0与50之间。
Because of the uncertainty of the origin. The error of the output signal is under the range between 0to 50percent as power turning on.
最后,给出了由构件长度误差和转动副间隙引起的前后轮对转角耦合误差的总计算公式。
Finally, the equation calculating the error of the coupling Angle is presented in this paper.
基于此方法,提出了一种优化途径,用以最小化由连杆长度误差至末端执行器运动学位置误差之间的误差放大倍率。
An optimization approach for minimizing the kinematics error magnification from the linkage variation to the end-effector position is studied based on the graphical design method.
金字塔的水平剖面在任何高度都是正方形,每面的长度也都是229米(751英尺),惊人地是,其最大的误差小于0.1%。
The horizontal cross section of the pyramid is square at any level, with each side measuring 229 m (751 ft) in length. The maximum error between side lengths is astonishingly less than 0.1%.
长度是5。18米,误差是,大概5厘米。
The length is 5.18 meters and the uncertainty is about five centimeters.
为了把基线长度和姿态的误差引入轨道空间位置,提出了相应的数学模型。
In order to introduce the errors of the baseline length and attitude into orbital position, we propose the corresponding mathematical model.
分析时间长度T对DFT分析的误差有影响:增加t可以消减旁瓣误差,但是不能消减泄露误差。
The analyzing time t has a large effect on the DFT analysis: increasing time t reduces the lobe errors, but may not reduce the leakage errors.
自然选择的目标是准物种,而误差阈的存在对生物体所能携带的基因组的长度施加了一个限制。
The object of natural selection is the quasi-species, and the existence of the error threshold places a limit on the genome length that the organisms carry.
结果表明,通过流场模拟的方法可以预测组合流道在挤出过程中的熔体充满长度,其误差为7。
It showed that the melt filled length could be forecasted through the flow field simulation, with an error 7.
仪器经过改进后,测量误差达到规定要求,并与焦样加工精度、焦样长度、悬丝悬吊位置及焦样的均匀性有关。
After modified instrument, the error of determination is reached defined requirements and is related to machining precision, length, SUS - pension in place and homogeneity of coke specimens.
虽然偏离值可能不大,但利用对数剖面去计算河底粗糙长度和剪切应力时会引起较大的误差。
The amount of the departure may not necessarily be large, but it results in the larger errors when the profiles are used to calculate the bed roughness length and shear stress.
对阴极温度的不均匀导致的发射电流偏差进行了计算分析,并首次得到了发射电流误差小于5%的阴极丝最小长度的计算公式。
Non uniform temperature distribution causes deviation in emission current, the error of which is less than 5% for the shortest length of diode cathode.
介绍了光栅式长度仪表示值误差检定系统的基本工作原理以及关键技术的解决。
The basic operation principle and settlement of the key technology of the verification system of the error of indication for grating type of length measuring instrument are described in this paper.
对多信道模型的输出应用线性预测,证明了预测误差只包含多信道模型冲激响应在第一个时隙的参数,并给出最佳线性预测器的长度。
A linear prediction approach is applied to the output of this SIMO model and we prove that the prediction error contains the parameters of the first time slot of the model impulse response.
相反微观交通模型通过描述车辆个体行为,对交通状况做出较为细致的模拟,当模拟时间长度过大,与现实交通状况之间的误差越来越大。
On the other hand, when using Microscopic Traffic Model to describe the action of vehicles and stimulate the traffic in a meticulous way, the error will be big if the mimic time is long enough.
分析中还发现,随着节流孔直径和气膜厚度的减小,忽略节流孔长度对轴承性能的影响将带来较大的误差(这一点被以往研究者们所忽略)。
It should be noted that, with the decrease of orifice diameter, ignoring the influences of orifice length on the bearing's performance will result in rather large errors.
直线测量的长度越长误差越小。
The longer the length of beeline measurement is, the less the error is.
采用的模糊控制器输入参数是排队长度,它具有易于测量,误差小的特点。
The input parameter of fuzzy controller is arranged according to queue length. It is prone to be measured and has the smallest error.
长度越长,直径误差的影响越大,而且坯料的截面存在着不同的形状误差。
The length is longer, the influence of diametrical error is more, moreover the semi-finished products 'section exist different shape errors.
通过计算目标构件的长度变化或角度变化获得工序系统的定位误差。
By calculating the length and Angle variation of objective links, the location errors of process system were obtained.
通过对背景误差方差、特征长度的调整,显著改善了背景误差功率谱的分布特点,使得NMC方法结果与更新矢量方法结果更为吻合。
After the tuning of background error variance and de-correlation length, results from the NMC-method are closer to those of the innovation vector method, and the analysis results are improved.
针对人工测量油管长度存在测量误差大、作业效率低等问题,提出以激光测量为核心的油管智能测长方法。
A tubing length intelligent laser measuring system is developed in the light of the low measuring accuracy and efficiency.
研究表明,随着合成孔径长度和信噪比的增加,ML估计误差可以很快地收敛于CRB,但存在阈值效应。
It is demonstrated that ML estimating error can converge to CRB quickly with increasing synthetic aperture length and Signal to Noise Ratio (SNR), but a threshold effect exists.
此误差可通过在公法线长度方向上加大留磨量,进行磨齿予以消除。
The error can be avoided by increasing the gear grinding allowance in length of common normal line to grind gear.
详细介绍了双转盘转向结构的参数优化方法、平板拖车牵引杆长度及挂钩位置确定方法、牵引车挂钩位置确定方法,并对产生跟随性误差的原因进行了分析。
This paper presents parameter optimization of double-table turning structure, determination of trailer's draw bar length and hook positions of both the trailer and tractor.
详细介绍了双转盘转向结构的参数优化方法、平板拖车牵引杆长度及挂钩位置确定方法、牵引车挂钩位置确定方法,并对产生跟随性误差的原因进行了分析。
This paper presents parameter optimization of double-table turning structure, determination of trailer's draw bar length and hook positions of both the trailer and tractor.
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