查询词典 creeping motion

The simulation study mainly concentrates on the following aspects: the relations of attack angle versus caudal fin motion, the phase difference of heaving and pitching motion of caudal fin motion, swimming velocity and body motion, body wave length and body motion, heaving amplitude and body motion, Strouhal Number and body motion.

具体研究内容包括：最大击水角度对尾鳍运动的影响；尾鳍摆动—平动运动相位差对尾鳍运动的影响；游动速度对鱼体运动的影响；鱼体波波长对鱼体运动的影响；尾鳍后缘最大摆幅对鱼体运动的影响；斯德鲁哈尔数对鱼体运动的影响。

Based on experimental results for conventional ultrasonic creeping wave,straight beam probe,small angle longitudinal wave,micro-paralleling creeping wave,an approach is proposed to select small angle longitudinal wave and micro-paralleling creeping wave to detect strut porcelain insulator.The choice of ultrasonic apparatus,probe and test block,the adjustment manner of working sensitivity and sweep speed,the principle of decision defect are presented.

在总结分析传统超声爬波法、横波法、普通直探头法、小角度纵波斜探头法和微型并联爬波法等几种常用的支柱瓷绝缘子超声波检测方法优缺点的基础上，通过试验分析了采用小角度纵波斜探头结合微型并联爬波探头对支柱瓷绝缘子进行超声波检测的工艺方法，确定了用该法对瓷绝缘子进行超声波检测的仪器、探头和试块的选用，探伤灵敏度和扫描速度的调整方法以及缺陷判定的原则。

In order to safe and fast drilling in creeping salt bed in S84 Well, some technological practices were adopted, such as unsaturated salt water drilling fluid system, measurement technique of formation creeping rate and homoion effect technique, which can solve some problems during drilling operations in creeping salt beds.

S8 4井在钻进过程中遇到塑性蠕动非常严重的盐膏层，为安全快速钻进，采取了应用欠饱和盐水钻井液体系、地层蠕动速率测定技术、同离子效应技术等工艺措施，较好地解决了该井盐膏层钻井存在的一些问题，为日后钻穿盐膏层提供了借

Based on description method of damping motion in mechanical vibration, variables movement of generator are divided into two basic motion models: damping oscillation and critical damping motion. Detail methods of extracting damping parameters from simulation data is introduced to establish variable motion models. An approximate method is put forward to simulate low-frequency signal and generator response characteristic, from which motion models and damping parameters of main variables are obtained. The influences of oscillation amplitude, frequency and initial operating point of power system to the motion damping parameters are analyzed.

借鉴机械振动中阻尼运动的描述方法，将低频振荡下发电机主要变量的运动归纳为阻尼振荡和临界阻尼两种基本运动形态；介绍了从仿真数据提取阻尼参数建立参数运动模型的方法，实现对发电机振荡特性的量化分析；提出一种系统侧低频振荡信号的近似模拟方法，并应用于发电机响应仿真，获得了主要变量的运动模型和阻尼参数；分析了系统侧振荡幅度、频率以及初始工况对发电机功角振荡的影响。

This proposal has been tested in the present study, in a second-order motion configuration, which was assumed to be irresolvable for the linear filter model. A luminance defined first-order motion and a motion-contrast defined first-order motion were used as control conditions. The results suggest that there was no significant difference between the amplitudes of the flash-lag effect in the second-order motion and in the first-order motion.

用视网膜外推机制不再有效的二阶运动刺激取代前人实验中的一阶运动刺激来研究闪现滞后现象，发现在视网膜推断机制失效的情况下，闪现滞后现象并没有减小，而是和一阶运动刺激条件下的量相当。

Around the topic, the weak points of the traditional platform is analyzed first, such as complex arithmetic, long calculating time, high needs of hardware and so on. A real time control method based on virtual simulation is suggested to separate the complex positive/negative calculation of space kinematic and real time motion control. And a"3-2-1"type 6DOF platform is designed with the reference of the MAST (Multi-Axis Shaking Table) of MTS. The kinematic and dynamic calculation of the platform is finished. According to the calculating result, the control system of the"3-2-1"type 6DOF platform including 6 linear servo electric cylinders is designed and constructed. And the professional software Pro/E is used to do the 3D model and 6DOF motion simulation of the platform. The motion curves of the pistons of the 6 cylinders are exported with the simulation. At last the control software is programmed with Microsoft Visual Basic 6.0 and realizes the functions with the commands of GE series motion controllers. When loading the motion curves exported with the simulation, every cylinder can follow the curve very well and the platform realizes the hoped 6DOF motion.

围绕选题，本论文首先分析了传统的运动平台控制方法所存在的算法复杂、解算耗时长、硬件需求高的缺点，提出了一种基于虚拟仿真的实时控制方法，该方法将复杂的空间运动学正、反解与实时运动控制相分离；之后，参考MTS公司的MAST多轴振动平台，设计了新型的"3-2-1"型六自由度平台，并进行了运动学及动力学计算，根据相关计算结果，设计与搭建了包括驱动6个直线伺服电动缸在内的"3-2-1"型六自由度平台控制系统；接着，使用Pro/E对"3-2-1"型六自由度平台进行了三维建模和六自由度运动学仿真，并由仿真直接获得了6个直线伺服电动缸的活塞杆的相应运动曲线；最后使用Microsoft Visual Basic 6.0编写了控制软件界面，通过调用GE系列运动控制卡的各种命令函数实现了控制系统的相关功能，而当加载仿真得到的各缸运动曲线后，每缸均能很好地跟踪输入曲线，使平台实现了期望的多自由度运动。

Although these kinds of motion events have their own specific characteristics, they are related to factive motion closely, for fictive motion, statal motion and temporal motion are all evolved from factive motion.

除了&述+下去&短语中物理空间位移事件义的出现频率少于时间位移事件义之外，其他述补短语中物理空间的位移事件义在各事件义中都处于主要地位。

Puts forward a novel method that is called the method of pseudo base point, which is much simpler than the classic methods when used for analyzing composite motion of rigid multi bodies if the convected motion is planar motion and the relative motion is rectilinear motion.

首次提出用伪基点法进行多刚体系平面复合运动的速度和加速度分析，此法对牵连运动为平面运动、相对运动为同平面直线运动的问题求解比经典方法简便得多。

Furthermore, a motion estimation technique for sequential thermal images is presented which measures the parameters of global motion in the image plane due to zoom and pan of the camera or the process of the vehicle, and a motion compensation interpolation technique is also presented which can compensate the global motion. The algorithm is based on a three-parameter model for motion description, and some improyement is given in this method. Good results are shown in the computer simulation experiments.

在研究了帧内编码的情况后，本文进一步分析了序列图象的特点，并对由摄象机运动和车辆行进所造成的全局运动进行了运动估值和补偿研究，对现有的三参数估值算法进行了分析和改进，推导出热图的序列图象的平移及缩放的运动估值与补偿的公式，通过计算机模拟进行了全局运动的估值和内插实验，获得了较好的结果。

This paper discusses the calculation formula of outline for disc cam about roller follower of linear motion along the axis,it analyses the maximum angle of pressure and position for disc cam,from several ordinary motions of follower constant speed motion,constant acceleration and constant deceleration motion,simple harmonic motion and pendulum motion.

从从动件几种常用运动规律—等速运动、等加速等减速运动、简谐运动和摆线运动入手，讨论了对心直动滚子从动件盘形凸轮廓线长度的计算式，分析了盘形凸轮的最大压力角及其位置。

The circulation, consumption and reproduction of the trilogy have not only testified to its historical significance and literariness, but also invested it with new meanings.

该三部曲的流通、消费与再生产不仅验证了其历史意义及文学性，而切还赋予它以新的意义。

If he thought that he could buy me off, he would be wrong.

如果他认为他可以收买我，那他就大错特错了。