粒子运动

The movement equation of droplets was set up and the expression about flying distance and vertical drop-down height variation with time of charged particle was obtained.

建立了荷电雾滴的运动方程，获得了喷雾粒子的飞行距离和垂直降落高度随时间变化的显式表达式。

The text used a circular motion model with charged particle to explain the photoelectric effect.

文中还用以电荷群的作用力为向心力做圆周运动的带电粒子模型解释了光电效应。

Based on color information of the particle filter target tracking algorithms, to achieve the goal of tracking movement of objects.

详细说明：基于颜色信息的粒子滤波目标跟踪算法，实现了物体运动的目标跟踪。

In the paper, the kinetic characteristic of three models of PSO are analyzed. The largest covering space of the Gbest model and the Pbest model are deduced without new information.

分析了PSO算法中的三种粒子模型(Gbest，Pbest，Commom模型)的运动特性，给出了Gbest模型和Pbest 模型在没有新息获取时，单信息条件下的最大搜索空间。

Here one only needs the decay product to tag the decaying particle but does not use it to do kinematic measurements.

这里只需要一个衰变产品标签腐烂的粒子，但没有用它做运动测量。

Firstly, we use Gaussian kernel function to replace the Dirac delta kernel function, and embed the re-sampling into filtering to eliminate the impoverishment problem of the standard particle filter.

2为了解决光线变化的情况下，以及发生旋转、平移和尺度变化等姿态变化的运动目标的鲁棒跟踪问题，提出了一种基于自适应观测模型的粒子滤波跟踪算法。

Laser Doppler Velocimeter:the two times Dopper effect for the scattered light from the tracing particle, the formula of LDV, laser heterodynes measurement, dual beam differential mode, LDV signal processing, frequency shift technique and application, multi-dimension velocity measurement, LDV application while light is refracted.

三。 激光多普勒测速：运动粒子中散射光的二次多普勒效应（1），LDV基本公式(1)，光外差检测技术及其实现(1)，双光束差动模式(1)，LDV信号处理(3)，频移技术及其应用(5)，多维速度的测量(5)，有折射现象时LDV的应用(3)，LDV测量实例(1)。 LDV实验一：LDV光路实验（3） LDV实验二：LDV测水流场实验（3）四。

By using the numerical calculation results of the density matrix equations of motion of a closed Λ-type inversionless lasing system, the effects of the propagation of light fields on the gain of lasing without inversion, Rabi frequencies of the probe and driving fields, and the modulation role of spontaneously generated coherence on the effects were investigated when the Doppler broadening presents.

利用封闭Λ型三能级无粒子数反转激光系统密度矩阵运动方程的数值解，研究了存在Doppler展宽的情况下光场的传播对LWI增益、探测场和驱动场Rabi频率产生的影响以及有自发辐射诱导相干对这个影响的调制作用。

The modular square of the eigenfunction reveals a probabilitydistribution of the motion of a free particle in phase space.

本征函数的模方显示了自由粒子在相空间中运动的几率密度分布。

The elastic collision mechanism of Brownian motion is studied,and the equipartition of kinetic energy of Brownian particle has been proved.

研究了布郎运动的弹性碰撞机制，证明了布郎粒子的能量均分定理。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。