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月球着陆
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     Scanning Arithmetic for Soft-Landing Base on Time Optimizaion
     月球着陆的时间最优安全着陆区搜索算法
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     An Experimental Method for Simulating Lunar Lander Low Gravitation Landing
     一种模拟月球着陆器低重力着陆试验方法
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     Journey to the Moon
     月球旅行
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     Landing on the Moon
     在月球登陆
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     LANDING IMPACT ATTENUATION TECHNOLOGIES REVIEW
     着陆缓冲技术综述
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  lunar landing
Lunar landing trajectory design based on invariant manifold
      
The low-energy lunar landing trajectory design using the invariant manifolds of restricted three-body problem is studied.
      
Using the orbit maneuver at the place where the two planes and the invariant manifolds intersect, a general method to design low energy lunar landing trajectory is given.
      
Plots of crater density vs rock age at different lunar landing sites can be used to date unexplored lunar provinces.
      
Spectrophotometry (0.3 to 1.1μ) of visited and proposed apollo lunar landing sites
      
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  moon landing
An interview with the Apollo 11 astronauts on the occasion of the 20th anniversary of the moon landing; 2.
      
Back in 1969 when Apollo 11 made its historical moon landing, it contained 150 Kbytes of computer memory.
      
DBS was to have a much greater impact on the day-to-day lives of people around the world than did the moon landing.
      
Students can take a virtual flight over Martian volcanoes, descend into the sun, and experience the first moon landing.
      
This global ethical sensation surpassed media atten tion to the first moon landing.
      


Since the 60' s, several tens of aerospace remote sensors were launched towards the moon and different planets of our sun system, namely: Mercury, Venus, Mars, Jupiter, Saturn and Uranus, Neptune, and a considerable amount of informations were backfed to our earth ground stations enabling scientists to discover many interesting things showing to be high civilzation works founded by out-earth living creatures. The paper focuses on a series of extraordinary scenes revealed on the moon, showing the possible existence...

Since the 60' s, several tens of aerospace remote sensors were launched towards the moon and different planets of our sun system, namely: Mercury, Venus, Mars, Jupiter, Saturn and Uranus, Neptune, and a considerable amount of informations were backfed to our earth ground stations enabling scientists to discover many interesting things showing to be high civilzation works founded by out-earth living creatures. The paper focuses on a series of extraordinary scenes revealed on the moon, showing the possible existence of high-civilized living creatures landed on the moon long years ago.

六十年代以来,已向月球和水星、金星、火星、木星、土星、天王星,海王星等太阳系行星发去数十个空间遥感器,并已向地球上的地面站发回大量信息,使科学家们得以发现很多有趣的事物,显示为地球外生物高度文明的作为。本文着重介绍了在月球上发现的异常景物,显示可能在多年以前,曾有高度文明的生物在月球着陆

The application cases of the space landers in foreign countries are introduced in detail in this paper, and the landing speed of the lunar lander is calculated too. On the basis of classifying the buffering devices of the space lander, a few of common ways to simulate micro gravity on the Earth surface are presented. ADAMS mechanical dynamics simulation software is employed to establish solid model of the lunar lander in computer and the dynamics simulation is carried out in the micro gravity environment...

The application cases of the space landers in foreign countries are introduced in detail in this paper, and the landing speed of the lunar lander is calculated too. On the basis of classifying the buffering devices of the space lander, a few of common ways to simulate micro gravity on the Earth surface are presented. ADAMS mechanical dynamics simulation software is employed to establish solid model of the lunar lander in computer and the dynamics simulation is carried out in the micro gravity environment of the Moon.

详细介绍了国外航天着陆器的应用情况 ,并对月球着陆器着陆速度进行了计算。在对着陆缓冲装置进行分类的基础上 ,给出了在地球表面模拟微重力的几种常用方法。应用 ADAMS机械动力学仿真软件 ,建立了机械缓冲式月球着陆器三维实体模型。在月球微重力环境下对该模型进行了动力学仿真

The dynamic response of a lunar lander to the impact of the surface of the Moon with damp is analyzed using the energy principle and vibration theory. A formula concerning the upper limit amplitude of the lunar lander is obtained from theoretical analysis. Based on ADAMS mechanical simulation software, a microgravity environment was established by computer and some simulation study had been carried out about the lunar lander. The academic result has been verified using a numerical example, and the simulation...

The dynamic response of a lunar lander to the impact of the surface of the Moon with damp is analyzed using the energy principle and vibration theory. A formula concerning the upper limit amplitude of the lunar lander is obtained from theoretical analysis. Based on ADAMS mechanical simulation software, a microgravity environment was established by computer and some simulation study had been carried out about the lunar lander. The academic result has been verified using a numerical example, and the simulation result is in very good agreement with the calculated result. The conclusions drawn in this paper could be used for the design and analysis of vibration of the lunar lander.

月球着陆器撞击月面时产生的冲击振动等动力学响应进行了仿真研究。基于能量原理和振动理论,通过理论推导得出了月球着陆器上限振幅值计算公式。在机械仿真软件ADAMS基础上,用计算机建立了月球微重力环境并进行了数字仿真。仿真结果表明,理论计算值和仿真算例吻合较好,所得结论对于月球着陆器设计与振动分析具有实际意义。

 
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