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Results The system offers 70 mm×70 mm×70 mm measurement scope, 0.01 mm resoling power <0.1 mm mean deviation, 25mins for single cast scanning.

结果 该系统测量范围为70 mm×70 mm×70 mm,测量精度为0.01 mm,平均测量误差<0.1 mm,单颌模型扫描时间<25分钟。

It is one of the main methods to improve the performance o f strapˉdown inertial navigation system for compenˉ sating random drift and bias of MEMS IMU. For improving performance of MEMS IMU and that of the INS, the error estimation and compensation of MEMS IMU with autoregressive proces ses modeling method was deeply studied.

为了提高IMU精度,进一步提高惯性系统精度,采用时间序列理论中的AR模型对M EMS IMU的误差估计和补偿作了深入的研究,并与径向基神经网络建模方法分析比较。

While for the TSP model, the corresponding errors were 2.8%, 19% and 24% respectively.

而TSP模型相对应的误差分别为2.8%、19%和24%。

The settlement observation of bridge pier and abutment was discu ssed. The GM prediction model of the settlement observation error and t h e settlement development was established to set up system for bridge saftely use and maintenance.

阐述了桥梁墩、台沉降变形的观测,建立了桥梁墩、台沉降观测误差和沉降变形逐年发展情况的GM预测模型,为桥梁安全使用,养护管理决策提供可靠的科学依据。

In the design of the controller the model error and external disturbances are considered, and a nonlinear robust controller is developed by back-stepping method while model errors and disturbances are considered.

考虑到模型误差和外部干扰因素,采用反步法设计了非线性鲁棒控制器。

This paper presents a nonlinear robust adaptive excitation control design procedure for multi machine power systems using back-stepping method. The control objective is to drive machine power angle and frequency to the steady-state operation point, and guarantee that the close-loop system is adaptive to the uncertainties of generator damping coefficient and d-axis reactance, and robust to model errors or bounded disturbances.

利用反步法设计了多机电力系统中的非线性鲁棒自适应励磁控制方案,控制目标是调节发电机功角和频率至稳态运行点的极小领域,并使闭环系统对发电机阻尼系数和电抗参数的不确定性具有自适应能力,且对模型误差和外部有界干扰具备鲁棒性,同时保证各控制器是分散化和本地化的。

It not only helps furthering our understanding of the mechanism of pre-splitting blasting, but also proposes an effective method for blasting theory and engineering design. Based on a vast amount of blasting vibration data, the paper selects blasting vibration effect parameters using fuzzy theory, and establishes a prediction model of fuzzy neural network of peak particle acceleration.

在分析研究大量现场生产试验爆破振动数据的基础上,提出了一种应用模糊理论优选爆破振动影响参数的方法,并建立了爆破振动峰值模糊神经网络预测模型,对大冶铁矿生产爆破振动进行了预测,平均误差为5.58%,为爆破振动峰值预报提供了一种新的方法。

The numerical results show that: the stress distribution on contact surface is relative to the relative velocity of sliding block and friction coefficient, and the maximum relative error of stress can be 100.08%. The non-linear Stribeck friction model can better describe the real situation of contact surface, because of the consideration of impact of the relative velocity to the friction.

研究结果表明:随着接触体相对速度的改变,摩擦因数相应变化,接触面上的应力与位移的分布随之改变,应力最大相对误差达100.08%;Stribeck模型考虑了速度对摩擦因数的影响,更能描述接触的真实情况。

Tightly integration ; adaptive model ; clock error ; GPS receiver

深组合;自适应模型;时钟误差; GPS接收机

Based on this principle, the error model of point cloud registration was deduced.

分析点云配准的原理,在此基础上推导出点云配准误差传播模型。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。