匀加速运动

基于随机Hough变换的匀加速运动目标检测算法及性能分析

An Algorithm and Its Performance Analysis for Detecting the Target with Constant Acceleration Using Randomized Hough Transform

根据目标运动状态建立了匀速直线运动模型、匀加速运动模型以及两个机动模型：Singer模型，当前统计模型。

Then four target models are established based on the movement status of targets . Those target models are constant-velocity moving model 、 constant-acceleration moving models and two kinds of maneuvering targets models : Singer model and current statistical model , respectively .

两种海杂波背景下的微弱匀加速运动目标检测方法

Two Approaches of Detecting Weak Moving Target with Constant Acceleration in Sea Clutter

相对论性匀加速运动

Relativistic Kinematics of the Uniformly Accelerative Motion

文中分析了目标在匀速径向运动和匀加速运动情况下，运动对步进频率雷达回波相位的影响。

The effect caused by object motion on echo phase of SF radar is analyzed .

匀速或匀加速运动目标的位置预测问题的分析

A New Theory to Forecast Positions of a Moving Object at a Constant Velocity or Acceleration

实验结果表明：在所采用的下料方式下，陶瓷球的运动是一种匀加速运动；

The results showed that the spherical ceramic particles motion was even accelerated motion in our way of particle feeding ;

因此，不能用匀加速运动方程来计算路径上其他点的速率。

Hence the equations of motion with constant acceleration can not be used to find the speed at other point of the path .

本文提出了一种计算匀速或匀加速运动目标的空间位置分析预测的新理论。

This paper provides a new method for forecasting the future positions of a moving object that moves at a constant velocity or constant acceleration .

介绍了一种新的插值方法：运动轨迹法，把插值问题转化成求匀加速运动轨迹的问题。

This paper presents a new interpolation approach : movement track method , which checks the track of the uniform acceleration movement instead of interpolation .

静态背景参考图像由混合模型法估计，在最简单的环境下，跟踪算法则采用匀加速运动模型对目标完成跟踪。

A mixture model method is deployed to estimate the static background reference image . The tracking algorithm simply uses a constant acceleration motion model to track objects in the simplest scenarios .

利用这一表示式，在目标作匀加速运动的前提下提出了延时的辨识方法，从而解决了目标位置合成中的难题。

With this expression , an identification method for time-delay is proposed on the premise of even acceleration moving target , thus the difficult problems in the synthesis of target position are solved .

首先在车辆检测阶段建立车辆跟踪对象作为前提，采用改进的均值偏移算法跟踪车辆，最后建立修正转向角的匀加速运动模型预测车辆运动轨迹。

Firstly , we construct tracking objects of vehicles as a prerequisite during the detection period , then utilize improved mean shift algorithm to track . Finally , we predict vehicle trajectories by building the constant acceleration motion model of revised steering angle .

匀加速直线运动Kerr黑洞的事件视界

Event Horizon of a Uniformly Rectilinearly Accelerating Kerr Black Hole

该文针对K分布海杂波加热噪声背景环境下作匀加速抛物线运动的低可观测目标的检测问题，提出了一种新的基于随机Hough变换的快速检测算法。

A fast algorithm based on the randomized Hough transform is presented in order to detect such dim target with parabolic track under the background of K-distributed sea clutter and thermal noise .

采用薄膜brick-wall模型，计算了Kinnersley度规表述的匀加速直线运动黑洞的熵。

Using thin film brick-wall model , the entropy of a uniformly accelerating black hole expressed by Kinnersley metric is calculated . Because the black hole is accelerated , the spacetime is axisymmetric .

匀加速直线运动目标脱靶量测量方法

Miss Distance Measurement for Targets with Rectilinear Trajectories and Constant Accelerations

非简谐阻尼振动与匀加速直线运动合成实验

Composition of damped non - harmonic vibration and uniformly accelerated linear motion

匀加速直线运动动态黑洞的3类特征曲面

Three kinds of characteristic surfaces of a uniformly rectilinearly accelerating non-stationary black hole

悬点作匀加速直线运动时单摆的振动周期

The Vibration Cycle of Simple Pendulum When the Hung Point Makes the Straight Uniform Acceleration

高中生要开始掌握加速度的概念，学习匀加速直线运动的相关规律。

High school students start grasping the concept of acceleration and learning related principals about uniformly accelerated linear motion .

本文研究了匀加速直线运动目标的脱靶量测量问题。

In this paper , the miss distance measurement problem for targets in rectilinear motion and with constant accelerations is studied .

利用气垫导轨及电脑通用计数器测定匀加速直线运动的加速度.测定误差为-067%

Using air cushion slide way and general computer counter to measure the acceleration in uniform linear motion , the error of this experiment is -0.67 percent .

针对高速无人飞行器运动的特点，设计了一种基于匀加速直线运动的联邦卡尔曼滤波器。

According to the flight feature of high-speed unmanned aerial vehicle ( UAV ), a kind of federated Kalman filtering based on constant acceleration moving is presented .

分析了小球在斜槽内横向作非简谐阻尼振动同时又在其纵向作匀加速直线运动的轨迹的理论公式。

The motion formulae of small ball moving in a slope trough are obtained , which displays a composition of a transverse non-harmonic vibration and a longitudinal uniformly accelerated motion .

讨论了匀加速直线运动动态黑洞的3类特征曲面&事件视界、表观视界和类时极限面的一些性质。

Some properties of three kinds of characteristic surfaces are discussed : the event horizon , the apparent horizon and the timelike limit surface of a uniformly rectilinearly accelerating non-stationary black hole .

提出了目标作匀加速直线运动情况下舰炮武器系统对空射击能力指标计算的数学模型。

The paper presents a model for calculating the capability of the shipborne gun weapon system when firing against the air target that moving in a constant acceleration and in a straight line .

并给出了从真实双目序列影像中获取物体匀速直线运动和匀加速直线运动参数的实验结果。

Finally , the experimental results , acquiring the motion parameters of the objects with uniform velocity and acceleration in the straight line based on the real binocular sequence images by the mentioned method , are presented .

传统的卡尔曼跟踪滤波器都以匀速（cV）或匀加速（cA）运动作为目标运动模型，其模型固有的误差限制了跟踪精度的进一步提高。

Traditional kalman trackers use constant velocity or constant acceleration motion Model . The Model 's error limited the tracking precision .

最普通的匀加速（近似）运动的例子，是落体运动。

The most common example of motion with ( nearly ) constant acceleration is that of a body falling toward the earth .