径向加速度,Radial acceleration
1)Radial acceleration径向加速度
1.In this paper, the problem of radial acceleration estimation in one pulse was dealt with based on Hough-Ambiguity transformation, and then acceleration was estimated.根据雷达发射恒定载频信号时匀加速目标的回波为线性调频(LFM)信号的特点,研究了在单脉冲内基于Hough-Ambiguity变换(HAT)估计目标径向加速度的问题。
2.Radial acceleration of radar and target is a important character of the relative movement of them and can enhances maneuvering target tracking and target identification,so study on radial acceleration estimation directly from radar echo is needed.雷达-目标径向加速度是表征雷达和目标相对运动关系重要特征,可用于机动目标跟踪、目标识别等,因此研究直接从雷达回波估计径向加速度很有必要。
3.In the post signal processing of CW radars,when the radial acceleration of the target is big and the SNR is low,most methods to estimate it are incompetent for getting the precise result.而目标的径向加速度是一个非常关键的参数。
英文短句/例句
1.The effect of G_x and G_y on Coriolis illusion不同轴向的径向加速度对科里奥利错觉的影响
2.However,the radial acceleration is a key parameter;而目标的径向加速度是一个非常关键的参数。
3.A Method to Estimate Radial Parameters of Target Based on FRFT基于分数阶傅立叶变换估计径向加速度算法研究
4.footward acceleration足向加速度足向加速度
5.Research on the Acceleration Vibration Characteristics of Stator of Constant-Pressure Radial Piston Pump恒压式径向柱塞泵定子加速度振动特性研究
6.tangental acceleration切线[切向]加速度
7.radial betatron oscillations径向电子回旋加速岂荡
8.STIFFNESS ANALYSIS OF THE MATCHING OF LENGTHENED SHRINK-FIT HOLDER AND CUTTING TOOL IN HIGH SPEED MILLING高速加工热缩加长刀杆与刀具配合径向夹持刚度分析
9.limiting lateral acceleration test极限侧向加速度试验
10.It is called the centripetal acceleration.这叫做向心加速度。
11.Coriolis acceleration互补［复合向心］加速（度）
12.Calculation and measurement of speed of diametric fragments of metal-back blasting caps金属壳雷管径向破片速度计算及测试
13.Allied M10 Movement improved: 15% increase to acceleration and 10% increase rotation rate.M10坦克歼击车的加速度提升15%，转向速度增加10%。
14.Projectile Axial Acceleration Measurement by Dual-accelerometer Filtering Method双加速度计滤波法测量弹丸轴向加速度
15.The direction of the acceleration is the direction of the net force.加速度的方向与合力的方向相同。
16.The radial velocity and Doppler width distribution of belted atomic vapor are given.给出原子束径向速度及其多普勒宽度分布。
17.Velocity vector imaging:a novel technique in detecting myocardial acceleration rate of normal left ventricle速度向量成像——检测正常左室壁加速度的新方法
18.Acceleration always has the direction of the net force, regardless of the direction of the velocity.加速度的方向总是与净外力的方向一样，而与速度的方向无关。
相关短句/例句
Radial speed and acceleration径向速度、加速度
3)Pseudorange radial acceleration伪距径向加速度
4)radial velocity径向速度
1.The use of theradial velocity to improve the performance of target tracking;利用径向速度观测值提高目标跟踪性能
2.Theradial velocity of flow field in hydrocyclones has great influence on the particle radial movement, which decides the degree of resisting particle radial movement and the diameter of the minimum particles the hydrcyclone can separates.水力旋流器内部流体径向速度对其内部颗粒的径向运移有着重要的影响,它是固体颗粒径向运移受到阻力的重要原因,直接影响水力旋流器的最小分离粒度。
3.Results show that the distribution ofradial velocity of wide spaced two jet and four jet impinging streams has relation to d/L , the maximumradial velocity has relation to u 0 d/L , and the radial distance of the position of the maximumradial velocity is directly proportional to L .采用 DANTEC公司的三维激光动态粒子分析仪 ( Dual PDA)测定了大喷嘴间距同轴对置两流股及四流股撞击后的径向速度分布。
5)radial speed径向速度
1.Through measuringradial speed,testing whether it is reasonable,then computing and unlinearity-correcting,we get the speed of target.利用固定多普勒频率的周期进行测速是测速的方法之一 ,此法应用到雷达测速中 ,通过测出径向速度 ,检验数据的合理性 ,再利用合理的数据进行径向速度外推和非线性修正 ,求得目标的速度。
2.The stage numbers of the separator of PBR was optimized by analyzing its effects onradial speed(U),average turbulence kinetic energy(ADT),cycle time of PBR(tc)and the ratio of cycle time of the downer channel to cycle time of PBR(ε).采用CFD(Computational Fluid Dynamics)模型对一种新型多节隔板-平板式光生物反应器在不同通气量下的流场分布进行了模拟并与PIV(Particle Image Velocimetry)测量结果进行比较,结果表明CFD模型可用于光生物反应器流场的模拟;利用CFD模型对不同隔板节数的平板式光生物反应器的内部流场进行了模拟,对光照方向混合进行定量研究,并通过分析光照方向径向速度U、下降通道体积平均湍动能ADT、流体(藻液)绕隔板循环一周所用时间tc、下降通道(光区)停留时间占藻液绕隔板循环一周所用时间的比例ε四个参数来优化光生物反应器的隔板节数。
6)low Doppler velocity低径向速度
1.This paper introduces a method for the artillery location radar to detect thelow Doppler velocity target by using a special filter and CFAR process to obtain a detecting threshold, which can improve the detecting capability of the radar.为了解决炮位侦校雷达对低径向速度目标的检测问题 ,首先引入一个专门的滤波器对接收的回波信号进行滤波 ,然后采用数字杂波图对信号进行恒虚警处理 ,获取一个自适应于地杂波变化的检测门限用于低径向速度目标的检测。
延伸阅读
法向加速度（见加速度）。
