在曲轴系统的振动预测中应用动刚度矩阵法,计算从曲轴向滑块的激振力输入,建立了动力传动装置全系统的有限元模型,并采用该模型进行了振动的预测计算。
In this paper, the dynamic stiffness matrix method is used to predict the vibration of the crankshaft system and to calculate the input exciting force from the crankshaft to the slide rod.
这一行动将应对许多我刚刚提到的由于援助不可预测、不协调和不断变化而产生的问题。
It responds to many of the problems, which I just mentioned, that arise when aid is unpredictable, uncoordinated, and constantly shifting.
爱因斯坦广义相对论有一个预测:当一个巨大的物体移动时,会拖拽周围的时空,从而拉着附近的物体一起动。
One prediction of Einstein’s theory of general relativity is that when a large object moves, it drags the space-time around it, causing nearby objects to be pulled along as well.
人们预测有些地区可能会发生一些变化,可那里却没有什么“风吹草动”。
In some areas where change might be expected, however, nothing much seems to be happening.
《2011 - 2020道路交通安全十年行动计划》的目标是使2020年的预测道路交通死亡人数降低50%,从每年190万人降至100万人以下。
The goal of the Decade of Action is to reduce the forecast 2020 level of road deaths by 50%, from 1.9 million to fewer than one million a year.
结果表明,根据动电位极化测试的腐蚀电位和腐蚀电流可以预测高强度钢发生腐蚀氢脆的倾向性。
The results have shown that the possibility of embrittlement of high strength steel can be predicted by corrosion potential and current in potentiodynamic polarization measurement.
很多人对这段离婚反应强烈,有些人用詹妮弗·安妮·斯顿的表情包动图来作反应,他们预测安妮·斯顿对这段离婚的反应。
Many people reacted to the end of Brangelina on social media. Some used GIFs of Jennifer Aniston. They made predictions about what Aniston's reaction to the news might be.
以长程睡眠脑电数据分析和仿真为例,分析结果表明关联维的高低能够反映出睡眠的阶段,据此对非快速眼动睡眠期的仿真预测与实际结果相符。
The value of correlation dimension can reflect sleep stages after analyzing and simulating the sleep EEG, and then simulation forecast for NREM sleep stage was made which accorded with actual result.
根据免疫学研究中抗原与抗体同时进化的特性,通过对动目标预测系统特点的分析,提出一种改进的免疫算法。
Based on the property that antigen and antibody are evolving simultaneously in immunology, an improved immune algorithm is presented through analysis of moving object forecast system.
通过锚杆质量动测法的试验,就锚杆承载力的灰色系统预测方法进行了讨论,并与锚杆抗拔检测结果进行了对比。
Based on dynamic test of bolt quality, the forecast means for bolt bearing capacity using gray system is discussed. The result is compared with static state test.
常规动校正处理方法提供的叠加速度及层速度精度不能满足钻前压力预测的需要。
The precision of stack velocity and interval velocity provided by common NMO correction processing method can't meet the need of predicting the pre-drilling press.
针对群桩墩处河床局部冲刷的复杂性,运用正态动床物理模型较好地预测了桥墩附近河床局部冲刷,并获得了现场监测结果的验证。
According to the local scouring around the pile foundation of the pylon, a normal movable-bed physical model test is conducted to predict the local scouring and is verified by the field measured data.
利用这些估计值可以完成对目标的距离跟踪、成像、状态的预测以及动目标指示等过程。
By using these estimation values, the range tracking, profile, status forecasting and MTI (Moving Target Indication) process can be realized.
基于上述理论和试验相结合的模型识别方法可以代替组件试验,识别结果可直接用于复杂结构悬置元件的动特性预测和整车NVH性能研究。
The result of identification can be used to predict the dynamic characteristics of engine mounts with complex structure and to study the NVH performance of complete vehicle.
尾旋特性分析及预测时所使用的动导数通常是在常规流场中获得的,测得的动导数没有体现旋转流场的影响。
The dynamic stability derivatives which are used for analysis and prediction the characters of spin are acquired in routine flow field usually, which has no effect of rotation.
通过比较心房扑动(简称房扑)成功消融前后右心房峡部时间间期,分析峡部时间间期的延长程度对峡部完全性双向阻滞的预测价值。
The purpose of this study was to determine whether the extent of prolongation of the transisthmus interval after ablation predicts complete bidirectional block.
同时应用随机介质理论,推导出复合采动影响下地面变形的预测模型和特殊地质条件下变形的预测方法。
Meanwhile, prediction model of underground deformation and predicting method of deformation for special geological factor is deduced under combined mining with random medium theory.
文章在河床演变资料分析的基础上,采取“人工变形”预测与大范围动床模型试验预测等手段研究了世纪丘围涂工程实施后堤外高滩的变化。
The paper studies the change of tideland after the century inning by method of "artificial transformation" forecast and moveable bed model based on the analysis of the bed evolution data.
所用的预测方法是倍周期性、静中动判据和地球物理灾害链。
The predicting methods used are multiplied periodicity, criterion of activity in quiescence and the geophysical disaster chain.
利用组合技术对KNN算法进行改进,并将其应用于煤矿立井井筒非采动破裂的预测。
Improved KNN algorithm by using the combination technology, and applied it to the forecast of non-mining fracture of shaft-lining of mine.
我们利用现今流行且实用的瞳孔—角膜反射向量法作为理论依据,在实现过程中,我们改进和实现了一个高效的实时眼动跟踪算法,即线性逼近预测算法。
Based on the theory of pupil center corneal reflection, the authors improved and realized a highly efficient linear prediction algorithm for real-time eye gaze image processing.
并结合控制开采方法、煤柱稳定性分析、地表沉陷预计、采动滑坡区灾害预测理论以及数值模拟确定了控制开采的评价方法。
And combine control mining method, surface subsidence preplan theory, mining landslide area disaster forecast and numerical simulation studied out controlling mining estimate measure.
利用近10000组资料,比较了包含本文公式在内的23种动床阻力计算公式,在已知流量、能坡和泥沙粒径时预测水深的计算精度。
The precisions of 23 movable-bed resistance equations, which contain the equations of this paper, have been compared by using near 10000 sets of measured data.
预测结果与实际使用寿命取得一致,为动臂疲劳强度评估及结构改进提供了依据。
The result is identical with practical life, which can be used for the working arm fatigue strength assessment and the improvement of structure.
在红外动目标序列图像跟踪过程中,由于目标本身的红外特征具有较大的不可预测性,使A TR系统在目标探测阶段产生大量的虚警讯息。
In the course of tracking IR motive targets, a large number of false alarm signals might appear in the target detection stage of an IR ATR system because of the non-prediction of IR targets signature.
提出用动刚度系数方法对转子和轴系残余振动进行预测。
This paper calculates the residual vibration of rotors and axis with a new method equivalent dynamic stiffness factor.
本文从理论上分析了现有电力系统远动遥测数据越死区传送方法的局限性,进而提出了跟踪预测越死区传送算法。
Theoretical analysis of the current algorithm for data compression in telecontrol system of electric power system is made and its weakness is found out.
同时结合实例,提出一种基于有限元-多体技术对动载作用下柔性结构的疲劳寿命预测方法进行研究。
With an actual example, research method based FEM-Multi body technology is developed for flexible structure applying dynamically loading.
文章采用多边界潮汐控制数据采集系统成功地模拟了多边界非恒定潮汐流问题,通过动床试验研究提出了八塘尾河段的整治方案,并给出了预测本河段回淤量的计算式。
Based on the movable bed test and study, the regulation scheme for Batangwei reach was set forth and the formula for calculating siltation volume of the reach was derived.
文章采用多边界潮汐控制数据采集系统成功地模拟了多边界非恒定潮汐流问题,通过动床试验研究提出了八塘尾河段的整治方案,并给出了预测本河段回淤量的计算式。
Based on the movable bed test and study, the regulation scheme for Batangwei reach was set forth and the formula for calculating siltation volume of the reach was derived.
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