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radial acceleration
相关语句
  径向加速度
     Radial Acceleration Estimation Based on Wigner-Hough Transform
     基于Wigner-Hough变换的径向加速度估计
短句来源
     The result obtained states clearly that intermediate-range force, in the case of linear approximation, effects only radial acceleration of test particle rather than effects Lense - Thirring precession angular velocity of it.
     所得的结果表明,在一级近似下,中程力只影响试验粒子的径向加速度,而不影响Lense—Thirring进动角速度。
短句来源
     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.
短句来源
     After radial acceleration compensation and Keystone transformation are performed,range alignment is accomplished for all moving targets.
     对多目标回波统一进行径向加速度补偿和Keystone变换,完成多目标的距离对齐.
短句来源
     Objective To explore the effect of different axial(X or Y axis) radial acceleration on Coriolis illusion.
     目的 观察 X、Y轴向的径向加速度对科里奥利错觉的影响。
短句来源
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  离心加速度
     Single Observer Passive Ranging and Location Method Using Radial Acceleration Information
     基于离心加速度信息的单站无源测距定位方法
短句来源
     To the defect of Bearings only(BO) method which have long convergence time and large location error,this paper put forward a new single observer passive ranging and location method,which used bearings and its changing rate,radial acceleration information.
     针对只测向(BO)方法具有收敛速度慢、定位误差大等缺点,提出了一种利用角度及其变化率、离心加速度等信息进行单站无源测距定位的新方法。
短句来源
  “radial acceleration”译为未确定词的双语例句
     A new high power microwave source, the axial acceletron is presented in this paper. Compared with the radial accelectron, an acceleration region is added after the diode/oscillator and radial acceleration is change to axial acceleration.
     最后,我们提出了一种新的高功率微波器件——轴向加速管,与径向加速管比较,有两个不同:在二极管/共振腔后加一个加速段,并将径向加速改为轴向加速。
短句来源
     A new high power microwave source, the axial acceletron is presented in this paper. Compared with the radial acceletron, an acceleration region is added after the diode/oscillator and radial acceleration is changed to axial acceleration.
     提出一种新的高功率微波源器件──轴向加速管,与径向加速管比较.有两点不同:在二极管/共振腔后加了一个加速区及将径向加速改为轴向加速。
短句来源
     The result shows that the influence of gravitational settling and radial acceleration cannot be tolerated when wind speed of the separator inlet is low and the diameters of the solid particles are large.
     结果表明 ,当分离器进口风速较低及颗粒粒径较大时 ,重力沉降及径向加速过程对分离效果的影响不容忽视 .
短句来源
     Moreover,the components of the radial acceleration are theoretically derived,and the processing methods such as the signal sampling,the dynamic marking and storing,the noise removing,the slope comparison and the onset detection of braking operation are described.
     文中对加速度传感器信号的组成进行了理论推导,并阐述了传感器信号的采样、动态标注和存储、平滑去噪、斜率比较以及制动起始时刻判定等的处理方法.
短句来源
     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.
     在连续波雷达信号事后处理过程中,当目标的加速度比较大、信噪比又比较低时,各种算法很难处理出正确的结果。
短句来源
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  radial acceleration
A phase method of measuring the radial acceleration of an aerodynamic object, used to increase the coherence interval of the reflected signal is proposed.
      
A phase method of measuring the radial acceleration of an aerodynamic object using the signal reflected from it
      
An improved correction for the radial acceleration is proposed.
      
Vapor Buoyancy and Radial Acceleration in Capillary Viscometers
      
For that purpose we describe the radial acceleration, a Coriolis acceleration and the zig-zag construction in a space-time with a conformal structure and an arbitrary path structure.
      
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Briefly introducing the principle of operation of the sliding-vane rotary flowmeter,a reasonable design of the chamber profile in this kind of flowmeter is suggested in this paper with the intention of meeting such technical requirements as higher metering accuracy and less counting loss,wider metering range,less pressure loss,lower vibration and noise,steady rotation and less metering error due to the viscous property of the fluid metered.For the reason given above,the cycloid,taken as a transition curve of...

Briefly introducing the principle of operation of the sliding-vane rotary flowmeter,a reasonable design of the chamber profile in this kind of flowmeter is suggested in this paper with the intention of meeting such technical requirements as higher metering accuracy and less counting loss,wider metering range,less pressure loss,lower vibration and noise,steady rotation and less metering error due to the viscous property of the fluid metered.For the reason given above,the cycloid,taken as a transition curve of the chamber profile connecting two arcs with different curvature radii,is a substitute for the elliptic curve proposed in an earlier paper[1],thus preventing the impulse due to the radial acceleration caused by the elliptic curve.The theoretical and practical formulas of the chamber profile are shown as in formulas (6),(9) and (11) respectively,and the oscillating angle (pressure angle)λ and the minimum width of sliding-vane are also given.Finally,the possibilities of the smooth motion of sliding-vane and of the use of form milling to manufacture the chamber profile are also discussed.

本文简要论述了刮板式流量计的工作原理及其特点,论证了用摆线作为腔体型线的过渡曲线的合理性,并给出计算腔体的理论与实际型线方程。讨论了滑片运动的平稳性以及根据腔体型线的形成原理用“创成法”加工腔体型线的可能性。

: It is often troublesome, or even difficult, for the narrow band system in a coherent-pulse instrumentation radar to precisely track the radial speed of the target under conditions of low pulse repetition frequency of the radar and high speed and acceleration of the target.A method is given in this paper to bring about an all digital tracking system on the basis of modified DFT. Such system can track not only the radial speed of the target, but also its acceleration directly in conditions of low repetition...

: It is often troublesome, or even difficult, for the narrow band system in a coherent-pulse instrumentation radar to precisely track the radial speed of the target under conditions of low pulse repetition frequency of the radar and high speed and acceleration of the target.A method is given in this paper to bring about an all digital tracking system on the basis of modified DFT. Such system can track not only the radial speed of the target, but also its acceleration directly in conditions of low repetition frequency and high target speed and acceleration.The first part of the paper describes the influence of target radial acceleration on DFT. the modified DFT which can eliminate the said influence, and the two dimensional response characteristics of the frequency and the frequency changing rate of this modified DFT. The second part explains the method of eliminating speed ambiguity by repetition frequency agility. This method is based on solving residual equations for root and does no depend on target range information. The third part deals with the narrow band tracking loop based on modified DFT. Two dimensional error characteristics of the frequency and the frequency changing rate are presented, and a block-diagram of the system is also given.The author has conducted mathematical simulation of the above system. The results show that the accuracy in the measurement of radial speed and acceleration is quite satisfactory under the condition of comparatively low signal-noise ratio.

本文侧重讨论了用于相参脉冲测量雷达的、以修正DFT为基础的信号处理方法。在雷达低采样率工作下以及在目标高速、高加速度运动条件下,这种方法不仅可以精确地跟踪目标的径向速度,同时还可精确地直接跟踪目标的径向加速度,从而可以构成全数字二维复合跟踪系统。

In present paper, a linear approximate metric of gravitational field of rotating matter is found by solving the scalar - tensor gravitational field equations gived by Xu Jizhohg. The contribution of inter - mediate - range force to gravitational field is approached and motion of test pqrticle in gravitational field of rotating matter with intermediate--range force is discussed. The result obtained states clearly that intermediate-range force, in the case of linear approximation, effects only radial acceleration...

In present paper, a linear approximate metric of gravitational field of rotating matter is found by solving the scalar - tensor gravitational field equations gived by Xu Jizhohg. The contribution of inter - mediate - range force to gravitational field is approached and motion of test pqrticle in gravitational field of rotating matter with intermediate--range force is discussed. The result obtained states clearly that intermediate-range force, in the case of linear approximation, effects only radial acceleration of test particle rather than effects Lense - Thirring precession angular velocity of it.

本文从徐济仲提出的标量—张量引力场方程出发,在弱场的条件下,求得旋转物质的引力场,探讨中程力对引力场的贡献;并讨论有中程力的旋转物质引力场中粒子的运动。所得的结果表明,在一级近似下,中程力只影响试验粒子的径向加速度,而不影响Lense—Thirring进动角速度。

 
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