查询词典 acceleration

Then the estimation of the motion parameters and the compensation of their radial acceleration are performed. Finally the co...

仿真结果表明，该方法能够增强OTHR对机动目标的检测能力，运算效率高，实用性强。

In order to design lighter and faster hydraulic excavator, a rigid-flexible hybrid modeling method based on rigid multi-body dynamics and finite element method was put forward to study the dynamic characteristic of hydraulic excavator in its whole working cycle. The working equipment with characteristic of time-varying structure was taken as research object, and radial acceleration was computed as tags of key load.

为适应液压挖掘机高速、轻量化的要求，以具有时变固频特性的液压挖掘机工作装置为研究对象，提出了以角加速度判断时变结构的关键工况，利用刚性多体动力学和有限元方法对液压挖掘机在整个作业循环中的动力学特性进行建模和分析。

From the maximum value of peak ground acceleration along all profiles, it's found that the radial component is about 2 times larger than the vertical component.

考虑到数值模拟中所采用的震源机制以及方位差异，剖面SC01同SC02、SC03之间在切向分量最大值的差异是可以理解的。

Meanwhile, analysis of the acceleration of pulses from a binary pulsar by radio astronomer s at the University of Massachusetts in Amherst in 1978 provided indirect evidence of gravity waves

与此同时，1978年阿默斯特市马萨诸塞大学的射电天文学家们对来自双脉冲星的脉冲的加速度所作的分析，也提供了引力波的间接证据。

Line drawing is a fundamental task for raster graphics. Any acceleration of the traditional line drawing process is of great significance.

直线绘制是光栅图形学中一个最为基本的任务，加速传统直线绘制算法有着重要的实际意义。

To verify the validity and applicability of the similitude law,a ice-induced pier vibration is examplified,and the similitude ratio of time,displacement,velocity and acceleration are analysized in theory, respectively.

同时为验证该相似律的合理性及适用性，通过冰激桥墩振动算例进行了数值分析，分别对频率、时间、位移、速度以及加速度等相似比尺进行了理论验证。

Theoretical analysis and simulation shows that the direction driving motor accelerates first, and then decelerates to compensate for the eccentricity when the satellite is deviated from laser center with a certain distance, and reacquires the tracking satellite. The needed time from reacquisition to tracking is affected by motor acceleration, telescope′s detecting precision, and detector′s response and treatment time, and the effect of detector precision on the reacquisition and re-tracking time is greater, as a result, the detector response and treatment time is decreased to the least.

理论分析与仿真结果表明，当卫星偏离光斑中心一定距离时，指向驱动电机先加速后减速，补偿这个偏心，重新捕获跟踪卫星；重新捕获到跟踪所需时间受电机加速度和望远镜探测精度以及探测器响应处理时间影响，其中探测器精度对重新捕获到跟踪所需时间影响较大，探测器响应处理时间要减小到最小；为了使从捕获到跟踪过程中卫星始终在扫描光斑范围内，经纬仪驱动电机的最小角加速度为25.5°/s2。

The article conducts an empirical analysis of the relationship between China's foreign trade and logistics, and concludes that there is reciprocal cause-effects relation, and that the acceleration effects of logistics to foreign trade seem more obvious than that of foreign trade to logistics.

本文以我国对外贸易发展与物流的关系做了实证分析，认为中国的对外贸易与物流存在着反馈性的因果关系，而物流对贸易的促进作用比贸易对物流的促进作用要稍大一些。

Based on Pseudo-linearization and least square methods, the bearings-only target motion problem was studied under the conditions that the target takes uniform rectilinear motion in 2-dimensional space, the single observer takes uniform rectilinear motion first, and then takes rectilinear motion with constant acceleration. The necessary and sufficient observable conditions, some unobservable conditions are gained.

基于拟线性处理和最小二乘方法，在目标作匀速直线运动，单观测站作匀速直线运动，进而作匀加速直线运动的机动情形下，研究了二维纯方位系统的可观测性，得到了系统可观测性的充要条件以及系统的某些不可观测的条件。

Firstly, mobile model and observed model of target, recursion equation set of speed filter was founded, and target speed model and virtual measure equations, recursion and modifying equation set of acceleration filter were established.

该算法先建立目标运动和观测模型、速度滤波器递推方程组，再建立加速度滤波器、目标速度模型和虚拟测量方程、加速度滤波器递推和修正方程组。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。