查询词典 driving motion

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 contribution of this dissertation is to identify and explain 8 different contrast factors in the motion events: 1. The factive or the fictive motion in events; 2. The motion caused by the internal or external forces; 3. The process windowing or objective windowing; 4. The live reporting or non-live reporting; 5. The Directive role or the Objective role in motion event; 6. The high or low volition of the Subject of motion; 7. The event or state; 8. The Container schema or Path schema.

本文的贡献在于揭示了位移事件中的八种对立现象：（1）现实位移和虚拟位移的对立；（2）内动力位移和外动力位移的对立；（3）过程取景和目标取景的对立；（4）现场报道与事后报道的对立；（5）位移方向与位移目标的对立；（6）高意志性和低意志性的对立；（7）事件与状态的对立；（8）容器图式和路径图式的对立。

The motion scope judgement search method based prognosticating the search beginning point, it utilizes the time relativity and the space relativity of block to prognosticate the search beginning point, and adopts the different search pattern according to the block motion scope, the search efficiency is close to the Three Step Search, which proves the feasibility of researching the new efficient motion estimation algorithm according to the characteristic of block motion to use the different search methods; In the end, this paper evaluates the advantage and disadvantage of the different fast algorithms through the data get from the experiment, it will have some reference value to bringing the new and effective motion estimation fast algorithm in the later research.

基于预测起点的运动幅度判断搜索法，该算法利用块的时间相关性和空间相关性来预测搜索起点，根据块的运动幅度大小分别采用不同步长的搜索策略，搜索效率比较接近三步法，证明了根据块运动的特性以结合运用不同的搜索算法来研究有效的运动估计算法的可行性。最后本文通过实验得来的数据来定量地分析评价各快速算法的优缺点，对今后提出新的更有效的运动估计快速算法具有一定的参考价值。

The motion vector in outgoing video stream is obtained by adding up base motion vector to delta motion vector. Base motion vector is extracted from input video stream. The search area of delta motion vector is very smaller than previous full-scale full-search area. Therefore, the computational complexity can be reduced and the estimation can be speeded up.

在该模式中，最佳运动矢量由基运动矢量和增量运动矢量相加得到，其中基运动矢量可直接从输入视频流中获得，而增量运动矢量的搜索域比先前全搜索域小得多，从而减小了运动估值搜索域，降低了计算复杂性。

In addition, because motion vectors must be estimated in the process of region's motion parameters estimation, this paper discussed the theory and general methods of two-dimensional motion estimation and proposes a fast motion estimation algorithm based on the prediction of neighbour block's motion vector.

此外，由于在区域的运动参数估计过程中涉及到对运动矢量的估计，因此本文还讨论了二维运动矢量估计的原理和一般方法，并提出了一种基于邻域子块的运动矢量预测的快速运动估计算法。

We performed a simulative test, which confirms that wavelet analysis can separate annual wobble and Chandler wobble. Our results show that this method can be used in astronomical geodynamies effectively. This paper is divided into two parts. The first is about statistic characteristic of polar motion. Polar motion includes secular motion, long period fluctuations, Chandler wobble, annual wobble and high frequency wobble. The secular motion is 3.4mas/year and towards 760W meridian. Long period fluctuations have difference periods in x-axis and y-axis. They are 31.7-year and 24-year in x-axis and 28.5-year and 22.9-year in y-axis. These 2~? decades fluctuations have an amplitude of about 30 mas , and are very nearly linearly polarized, with the observed motion of pole being almost entirely along a line between 360E and 1440W. There is a 55.4-year wobble whose amplitude is 9 mas. The amplitude of the interannual fluctuations is about 4? mas. The amplitude of long period fluctuations decreased after 1970. The annual wobble is a steady wobble. It retrograde wobble is only 1/20 of prograde wobble in amplitude.

本文的工作主要分为两部分：第一部分是通过分析POLE97序列，我们对极移的统计特性有了一个较全面的认识，极移主要包括趋势项、长周期项、Chandler项、周年项和高频项：趋势项的方向是西经76°，速度为每年3.4mas；长周期项中Markowitz 项在X、Y两个方向有不同的周期，它们分别是：X方向的两个周期是31.7年和24 年，Y方向的两个周期为28.5年和22.9年它们叠加在一起是一个线偏振运动，最大振幅约为30mas，偏振方向在西经144°和东经36°之间；极移的长周期波动中还存在一个 55.4年周期的圆周运动，振幅约为9mas；十年尺度变化的振幅在4～6mas之间，在Y 方向十年尺度的成份比较多，它们的周期在X方向和Y方向不是对应的；从七十年代年开始长周期变化的振幅明显降低；周年项是一个振幅稳定的摆动，在X、Y两个方向的振幅略有差别，逆向运动振幅大约为顺向运动振幅的1/20；Chandler摆动的振幅自1900年以来经历了几次较大的变化，其中包括1915年和1955年两次极大值，振幅分别达到0&。25和0&。28，以及1925～1940期间小于0.09的过程，Chandler项在X、Y 两个方向的振幅几乎完全相等，其逆向运动振幅不到顺向运动振幅的1/50。

But the vegetations changes in plain zone were slower.(4) Study on the driving forces and driving mechanism of the change of vegetation cover in HHH zone The farmland vegetation area received the common drive of climate and the society factors, but climate factors were the main driving forces for annual harvest crop or biannual irrigated and dry harvest crop, and society factors were the main driving forces for biannual harvest crop or biyearly tri-harvest dry crop.

4黄淮海地区植被覆盖变化驱动力与驱动机制研究不同植被覆盖类型，其NDVI变化的驱动力不同：一年一熟粮作区植被覆盖变化受到气候和社会经济因子的共同驱动，但以气候驱动为主；一年两熟或两年三熟旱作区植被覆盖变化受到社会经济和气候因子的共同驱动，但在主要驱动因子中，社会经济的影响更大一些；一年水旱两熟粮作植被覆盖变化主要受气候因子驱动，同时，社会经济因子也会在一定程度上影响植被NDVI的变化。

But the vegetations changes in plain zone were slower.(4) Study on the driving forces and driving mechanism of the change of vegetation cover in HHH zoneThe farmland vegetation area received the common drive of climate and the society factors, but climate factors were the main driving forces for annual harvest crop or biannual irrigated and dry harvest crop, and society factors were the main driving forces for biannual harvest crop or biyearly tri-harvest dry crop.

4黄淮海地区植被覆盖变化驱动力与驱动机制研究不同植被覆盖类型，其NDVI变化的驱动力不同：一年一熟粮作区植被覆盖变化受到气候和社会经济因子的共同驱动，但以气候驱动为主；一年两熟或两年三熟旱作区植被覆盖变化受到社会经济和气候因子的共同驱动，但在主要驱动因子中，社会经济的影响更大一些；一年水旱两熟粮作植被覆盖变化主要受气候因子驱动，同时，社会经济因子也会在一定程度上影响植被NDVI的变化。

This dissertation first puts forward the model of driving force transformation which the contact region of stator and rotor is divided into three relative sliding areas such as braking—driving—braking by means of research on vibration characteristics of USM stator surface points and micro driving course to rotor, this model can explain variation regularity of USM load characteristics, moreover, simplified calculation formula of rotor driving force concerned with stator teeth is set up.

本文通过对行波超声马达定子表面各点的振动特性和定子对转子微观驱动过程的研究，首次提出将定子和转子接触区划分为制动区—驱动区—制动区三个相对滑动区的驱动力转换模型，这一模型能够解释超声马达负载特性变化规律，并建立了计及定子齿的转子驱动力计算简化公式，该式能应用于多于两个定子齿驱动的转子驱动力计算。

In addition, the adjustment of economy structure and the policy about land are the primary driving factors for the conversion among farmland, woodland and grassland; the advantage of economy around central cities and the traffic along river are the leading driving factors for towns outstretching; pursuing economy profit is the significant driving factor for water outstretching; the land policy is the main driving factor for water shrank.

另外，农村经济结构调整和有关耕地政策的出台是耕地、林地与草地相互转换区土地利用变化的主要驱动因素；中心城市对周围区域经济的带动作用和沿江区域特殊的交通优势是城镇扩张区的主要驱动因素；经济利益的驱动是水域扩张区的主要驱动因素；耕地政策是水域缩减区的主要驱动因素。

Now she was hungry and angry.She began to smoulder.

现在她又饿又气，她开始流露难以抑制的怒火。

You have placed our iniquities before You, Our secret sins in the light of Your presence.

诗90：8 你将我们的罪孽摆在你面前、将我们的隐恶摆在你面光之中。