1、

A relative motion model, considering the J_2 perturbation and suitable for motion in general elliptic orbit, was used.

相对运动模型中考虑了地球形状摄动的影响,且适用于在椭圆轨道上运行的目标航天器。

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2、

Relative Motion and Choice of Frame of Reference

相对运动与参考系的选择

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3、

An optimal orbit maneuver method based on continuous low thrust was presented to solve relative motion control.

针对近距离相对运动的轨道控制问题,提出用常值小推力完成最优转移的方法。

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4、

This paper deduces the orbit maneuver equations for relative motion control of satellite formations based on the relative orbit elements.

导出了基于相对轨道要素的编队飞行卫星群轨道相对运动控制的轨道机动方程;

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5、

Using the concept of pseudo control variable, a simple state equation is constructed which describes the relative motion between an anti-ship missile and a target ship.

利用伪控制变量的概念,建立了简单的描述反舰导弹与目标舰艇相对运动的状态方程。

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6、
7、

Practical examples are used to illustrate the application of the instantaneous acceleration center in dynamics. The solutions to certain problems are greatly simplified by combining the instantaneous acceleration center with the theorem of moment of momentum of relative motion.

以实例说明加速度瞬心在运动学中的应用,加速度瞬心与相对运动动量矩定理结合在动力学中的应用,一些问题求解大为简化。

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8、

Based on relative motion equation of satellite state transferring, analytic solution of two impulse orbit transfer of constellation is derived, which is analytic equation of impulse control variable.

基于卫星相对运动状态转移方程,推导出了星座双脉冲式变轨的理论解,即所要施加的脉冲控制量的解析式;

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9、

By analyzing interior flow rules, the relative motion momentum equation and infinite vane theoretical head equation are established.

通过分析离心泵叶轮内部的流动规律,推导出了理想流体相对运动的动量方程和无限多叶片假设下的用出口角表达的理论扬程公式。

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10、

The relative motion equation between missile and target in space interception is established.

建立了空间拦截中导弹与目标的相对运动方程。

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12、

To consider magnetic conductance change of tooth harmonic caused by relative motion between stator and rotor, the transient field operation is applied to obtain the rotor iron loss, aiming to analyze the slotted core effect on rotor iron loss.

为考虑定、转子间相对运动引起的齿谐波磁导变化,即电机铁心开槽对转子损耗的影响,采用暂态场计算转子铁心涡流损耗。

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13、

First, the state transfer matrix of relative motion was introduced and the expression of relative motion with constant thrust control was educed.

首先给出相对运动状态转移矩阵,并推导出常推力控制情况下相对运动状态递推的解析表达式;

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14、

Also relative motion trajectory for the tip of picking up wheel finger is analyzed, and picking characteristics of the stubble, casting stubble performance and condition is studied.

分析了关键部件捡拾轮齿尖相对运动轨迹,研究了根茬捡拾特性,抛茬性能及条件。

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15、

A Computer Vision Approach to Relative Motion Measurement in Spacecraft Docking System

航天器对接系统中相对运动参数测量的计算机视觉方法

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16、

Counter rotating turbine Effects of endwall relative motion on tip clearance flow in turbine rotors

正反转双转子涡轮机机匣相对转动对涡轮叶顶间隙流动的影响

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17、

The contact of solid and electrolyte solution makes the solid electriferous and produce electrical double layers, while the relative motion of solid and liquid occur to electrokinetic phenomenon.

固体与电解质溶液相接触,使固体表而带电并形成双电层结构。当固体与溶液相对移动时,就会发生动电现象。

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18、

The footpad, as the landing buffer mechanism would contact with the lunar surface first, as well as the interaction force and relative motion being generated. After that the buffer would be used to absorb the energy for safe and stable lunar landing.

着陆缓冲机构的足垫首先与月面接触,产生相互作用力和相对运动,然后依靠缓冲器吸能缓冲,实现着陆器在月面的安全平稳着陆。

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19、

puts forward a novel method that is called the method of pseudo base point, which is much simpler than the classic methods when used for analyzing composite motion of rigid multi bodies if the convected motion is planar motion and the relative motion is rectilinear motion.

首次提出用伪基点法进行多刚体系平面复合运动的速度和加速度分析,此法对牵连运动为平面运动、相对运动为同平面直线运动的问题求解比经典方法简便得多。

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20、

Both the temperature difference and the relative motion of the compensation piece in relation to the magnetic needle are equivalent in effect to the volume variation of the alloy piece in sense of compensation. These are named the volume effect in the paper.

文中指出,这种温度差别和补偿片在磁针位置上的移动两者在补偿效果上均等效于合金片的体积变化,称之为体积效应。

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