查询词典 acceleration note

First,we proposes the acceleration of Monte Carlo EM Algorithm,which is based on Monte Carlo EM Algorithm and Newton-Raphson algorithm,to improve the convergence rate;Second,the it is shown that the accelerated EM algorithm we proposed has quadratic convergence rate in a neighborhood of the posterior mode;Finally,its excellent performance in convergence rate is illustrated by a classical example.

受Monte Carlo EM算法与EM加速算法启发，本文构造了一种新的EM算法，称为Monte Carlo EM加速算法；证明了该算法在似然函数/后验分布的众数的附近确实具有二次收敛速度，改进了Monte Carlo EM算法的收敛速度；并通过一个数值例子的计算结果说明了该算法的优良性，它兼具实现简单及收敛速度快的特点。

With the point near the corner and the point on any edge of the corner, a piece of quartic spline curve was constructed to approximately calculate the geometrical parameter of the constructed quintic spline curve, An example of reconstructing a corner was given, and the reconstructed curve was interpolated, after which the feed rate, acceleration and jerk were analyzed respectively.

利用拐角附近点及其一条邻边上的点构建一条四次样条曲线近似计算构建的五次样条曲线几何参数。

The maximum verticalacceleration and radial acceleration decrease with the increasing of the depth and the radial distance.

土粒的最大竖向加速度和径向加速度都随着深度和径向距离的增大而减小。

The radial acceleration forces can cause greater retention of the solid phase combustion products near the propellant surface.

径向加速度的力量可以造成更大的保留固相燃烧产物附近的推进剂表面。

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。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。