perigee

The probe entered the earth-moon transfer orbit as scheduled, with a perigee of 200 kilometers and apogee of 380,000 kilometers.

嫦娥三号已经按照计划进入了近地点高度200公里、远地点高度约38万公里的地月转移轨道。

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Now we want to know what the situation is with perigee and with apogee.

现在我们要看看，近地点和远地点的情况。

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The shape and perigee of artificial satellite orbits shall continually variate due to caused by the atmospherical drag and the earth gravity.

人造地球卫星的轨道由于大气阻力和地球引力场等因素的摄动，其形状和近地点位置将不断改变。

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You now have the ecliptic longitude of perigee of the sun for the mean summer solstice of your chosen year ( and effectively for the entire year).

你现在有黄道经度的近地点的阳光平均夏季冬至，你选择了一年（而有效地为整个一年）。

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The height of perigee, inclination and right ascension of ascending node ( RAAN) are chosen as characteristic quantity in the orbit correlation considering the character of the error of IOD process.

在轨道关联中考虑到初轨计算的误差特征，选取近地点高度、轨道倾角和升交点赤经作为用于关联的轨道量。

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It also occurred when the New Moon was near Perigee, the closest point to Earth in the Moon's elliptical orbit, making the Moon near its largest apparent size.

同时，新月正好处于近日点附近，也就是月球轨道上离地球最近的一点，又使得月亮的视尺寸接近最大。

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A The ellipse has a semimajor axis A,-2a perigee to apogee& is2a.

椭圆轨道半长轴为，近地点到远地点。

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An anomalistic month refers to successive returns to perigee, a period of 27.55455 days.

一个近点月指的是返回到近地点相继的时间，为27.55455天。

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Argument of perigee of satellite orbit

卫星轨道近地点幅角

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The Test of Dynamic Balance for Perigee Kick Solid Rocket Motor

近地点变轨固体火箭发动机动平衡试验

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The theory derivation for in-plane maneuver on semimajor axis, eccentricity and perigee argument and out-plane maneuver on orbit inclination was presented in this paper.

针对中低轨道卫星，对平面内卫星半长轴a、偏心率e和近地点幅角ω联合调整，以及平面外轨道倾角调整等进行了理论推导。

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In this paper, variations of AE-D's perigee altitudes, the corresponding atmospheric expansion and the density distributions are analyzed.

本文分析了AED极轨卫星近地点的变化及其相应的大气膨胀和密度分布情况。

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Compared with perigee orbit spaceflight technology, the task to accomplish deep space exploration is more challengeable.

与近地轨道航天技术相比，要完成深空探测航天任务更具挑战性。

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Mean Density Scale Heights From Analysis of Variation in Perigee Height of China Second Satellite

从我国第二颗卫星近地点高度变化的分析测定平均密度标高

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Once the satellite reaches perigee, it will eject a small probe which enter the planet's atmosphere.

当人造卫星达到近地点时，就会发射一根小探针，这根探针将进入行星的大气层。

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The function and meaning of space solar X-ray telescope in perigee environment space observation were put forward in this paper.

阐述了空间太阳X射线成像望远镜（SXT）在近地环境空间天气观测中的作用和意义。

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The time between two passages at the perigee ( of the Moon ).

月球连续两次经过近地点所需的时间.

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Coincidentally, it will also have reached the point in its orbit that is closest to the Earth, known as 'perigee'.

巧合的是，最大圆月也将到达到距地球最近距离、即人们所知的近地点。

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If this is an ellipse around the Earth, then this would be perigee and this would be apogee.

如果这是一个围绕，地球的椭圆形轨道，那么这是近地点，这是远地点。

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In order to guarantee the characteristics of frozen orbit, in-plane orbit control needs to adjust the semi-major axis, eccentricity, argument of perigee simultaneously.

为了保证冻结轨道的冻结特性，平面内轨道控制需要对半长轴、偏心率和近地点幅角都控制。

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The Moon reaches its absolute perigee once a year.

月球每年有一次达到它的绝对近地点.

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Moreover, out-plane inclination maneuver should be completed at perigee or apogee to influence right ascension of ascending node the least.

另外，平面外倾角调整应尽可能在近地点和远地点完成，以使对升交点赤经的影响最小。

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Energy Balance Equation at Perigee and Apogee of Satellite Orbit

卫星轨道近地点和远地点能量平衡式

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We know the period, we know where apogee is, we know where perigee is,-we know the orbital period& anything we want to know.

知道周期，知道远地点，和近地点在哪里，知道轨道周期-，知道了想知道的一切。

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Altitude performance prediction of perigee kick motor nozzle

近地点变轨发动机高空喷管性能预示研究

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In addition, the locus of perigee and lunar impact points are given and the characteristic of the locus with variation of the transfer time are discussed.

给出了这些转移轨道的近地点和着月点的轨迹，并讨论了轨迹随飞行时间变化的特性。

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This paper offers a method which maintain orbital shape and perigee location.

本文提供一种保持轨道形状和近地点位置不变的控制方法。

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When perigee and perihelion coincide tidal range is at its greatest.

当月球与地球到达它们的近地点和近日点的时间恰好重合时,就会引起最大的潮汐.

词典精选例句

Design Calculation and Optimization Adjustment for Perigee Sensitivity of Radar Altimeter under Various Geographical Physiognomy Conditions

不同地貌条件下雷达高度表近地点灵敏度设计计算及优化调整

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The maximum error of rectified number of sun and moon appears only when the sun and the moon run near perigee at the same time.

日月改正数误差最值仅出现在太阳和月亮同时运行至近地点附近时。

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