Because of their narrow bandwidth, CF signals portray only the target's presence and, in the case of some bat species, its motion relative to the bat's.
因为它们的频宽很窄，CF信号只能描绘目标的存在，而对于一些种类的蝙蝠来说，CF 信号还能描述目标相对于蝙蝠的运动。
But the earth is in motion relative to the sun, the sun is in motion relative to some other star, and so on.
但地球相对于太阳运动，太阳相对于某些其他恒星运动，等等。
In relativity, your observations must always be with respect to a particular observer-an observer with a well-defined motion relative to whatever is being observed.
在相对论里面，你的观察总是必须会涉及到一个特定的观察者-一个相对于被观察物有着明确的相对运动的观察者。
Further topics include kinematics, particle dynamics, motion relative to accelerated reference frames, work and energy, impulse and momentum, systems of particles and rigid body dynamics.
更进一步探讨运动学，质点动力学，于加速座标系上之运动行为，功，能量，冲量，动量和质点系统与刚体动力学。
The cold front the weather conditions observed at cold fronts are equally variable, depending upon the stability of the warm sector air and the vertical motion relative to the frontal zone.
冷锋冷锋的天气状况同样是多变的，它依赖于暖区气团的稳定性和相对于锋区的垂直运动。
The indicators of the Antikythera Mechanism, would then move to show the motion of the Sun and Moon relative to the planets and stars.
这些安提基西拉机械装置的指示器就会移动，显示相对于行星和恒星的日月运动。
The reason is that their motion is relative, and relativity, as we have seen, means that we have a choice.
理由就是他们的运动是相对的。正如我们所理解的那样，相对论就意味着我们可以选用一种解释了。
The relative motion of the plates carrying these continents has been.
携带这些大陆板块的相对运动已经能够被详细地表述出来，但是这些板。
Until now, the results of educational neglect have been gradual - a slow-motion erosion of America's relative position.
直到今天，忽视教育的结果已经慢慢地、悄无声息地侵蚀了美国教育的排名。
During image capturing, the image blurring is one of the most common degradation caused by the relative motion between the sensor and the scene.
在获取图像的过程中，传感器和场景的相对运动所造成的图像模糊是一类常见的图像退化模式。
The model expresses the relative motion errors of the tool with respect to the workpiece as a location function of its elemental errors.
该模型把刀具相对于工件的空间误差表示为机床各结构件之间运动误差的位置函数。
Equivalent to sing the role of round piston reciprocating piston compressor, when the satellite gear shafts relative motion at the Beaufort, the closed volume decreases, the gas being compressed.
星轮的作用相当于往复活塞压缩机的活塞，当星轮齿在螺槽内相对运动时，封闭容积逐渐减小，气体受到压缩。
Viscous friction is the fiction, or resistance to relative motion, between adjacent layers of liquid. The resistance of motion between these oil layers is called viscous friction.
粘性是液体流层问相对运动而产生的摩擦力或阻力。油层间所产生的运动阻力称为粘性摩擦力。
By using the classical orbit element differences method, the periodic characteristics of relative motion and the influence of atmospheric drag on relative motion were analyzed.
基于经典轨道要素偏差法分析了相对运动特性和大气阻力对相对运动的影响。
The main mechanical seal is installed in the shaft on the dynamic in Central and fixed pump shell on the static ring for the relative motion between the end to achieve the objective of sealing.
机械密封主要的是靠装在轴上的动环与固定在泵壳上的静环之间端面作相对运动而达到密封的目的。
The change button between relative motion and true motion in the panel does not touch firmly.
面板上的真运动与相对运动转换按钮接触不良。
The model of crustal movement and deformation, which is depicted fully by comprehending the relative motion and strain variation, is discussed.
讨论了将相对运动和应变变化综合起来以更充分地描述地壳运动和变形的模型。
In this paper, the author discusses some main questions in using relative motion graphic method to analyse the movement of plane mechanism, and tries to expound some laws in it.
本文就用相对运动图解法作平面机构运动分析中涉及到的主要问题加以讨论，并竭力阐明其中一些规律性的东西。
Wear particles or debris can be seen as the product of the removal of material from surfaces in relative motion, especially when a machine enters an abnormal wear mode.
磨损颗粒，也叫碎屑，是从相对运动的两个物体表面，特别是当机器进入一种超常的磨损模式时脱落的材料碎屑。
The magnetic abrasive finishing is a new technology used to process the surface of work piece by the relative motion with magnetic abrasive in the magnetic field.
磁性研磨是一种利用磁场中的磁性磨料对具有相对运动的工件表面进行光整加工的新技术。
The technique of laser interferometric imaging takes advantage of the relative motion between the fringes(formed with laser) and the object to obtain the image information of the object.
激光干涉条纹成像是利用激光源在空域形成的干涉条纹同目标间的相对运动来提取目标的图像信息。
Due to additive relative motion between ground jamming emitters and SAR, the spurious phase modulation of transmission signal is produced.
地面干扰发射机和SAR之间的附加相对运动，产生了传输发射信号的寄生相位调制。
Based on two-impulse optimal control for relative motion, the formation planning problem is solved.
在相对运动二冲量最优控制的基础上，求解了编队规划问题。
Based on two-impulse optimal control for relative motion, the formation planning problem is solved.
在相对运动二冲量最优控制的基础上，求解了编队规划问题。
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