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[专题专项] 中国航天对外合作交流:中国和俄罗斯将兼容北斗-Glonass导航系统

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jingyan66 发表于 2008-12-3 12:36 | 显示全部楼层 |阅读模式

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本帖最后由 cmj9808 于 2015-5-9 19:02 编辑

Chinese Space Officials Meeting with NASA Today


By Leonard David
SPACE.com's Space Insider Columnist
posted: 02 December 2008
01:47 pm ET


NASA is hosting Earth and space science working group meetings with officials from the China National Space Administration (CNSA) in Washington, D.C., SPACE.com has learned.

The talks, today and tomorrow, are a follow- up to NASA's most recent meetings with CNSA representatives held June 30 to July 1in Beijing. That meeting brought together CNSA officials and other interested Chinese agencies with a NASA delegation made up of representatives from the space agency's Office of External Relations and the Science Mission Directorate.

On that occasion, the discussions represented the first joint meeting of the Earth and space science working groups that CNSA proposed to NASA in September 2006, during NASA Chief Mike Griffin's trip to China.

Also this month, NASA specialists are traveling to China to attend the Pan Oceanic Remote Sensing Conference in Guangzhou, Michael Braukus, a NASA Public Affairs Officer told SPACE.com.

Meanwhile, China continues to broaden its menu of space activities.

A few days ago, China lofted another of its remote sensing spacecraft in the Yaogan series. Its mission, according to Chinese news agencies, is to carry out land resource surveys, estimate crop yields, as well as assist in disaster prevention and relief efforts.

China is also pressing forward on its human space exploration plans.

Shortly after that country's late September completion of a three-Taikonaut Shenzhou-7 mission -- including their first space walk -- Wang Zhaoyao, deputy head of China's manned space program office underscored China's ambitions for a human trek to the moon. "We see a manned lunar landing as both a very challenging and tactical field in global hi-tech," Wang said. "We deem it necessary for our country to do something in this field."

Next up in taikonaut takeoffs is a multiple volley of Shenzhou spacecraft, according to Qi Faren, a leading Chinese space official.

Qi told the Shanghai-based Oriental Morning Post in September that in 2010 unpiloted Shenzhou 8 and 9 spacecraft -- loaded with lab equipment -- would be sent spaceward and linked together in orbit. If that linkup was successful, a piloted Shenzhou 10 mission would be flown to the docked vehicles.

Qi said that creating this small laboratory in orbit would be a bridge to China's intent to build a larger space station in 2020.
liudao 发表于 2008-12-3 12:45 | 显示全部楼层
这次会晤的级别不高,王兆耀是副厅级干部,美方没见那个大胡子副局长,他是热衷于引进神舟的.
fireeyes 发表于 2008-12-4 13:12 | 显示全部楼层
刚开始啊,不要想一口吃成胖子。

其实我认为这种低层次的技术交流对我们还有利些,因为主要是技术上的交流尤其是思想上的交流,不是说我们航天口紧密跟踪美国的技术云云吗,我想我们航天的进步一定有借鉴他山之石的功劳在里面,那么如果能跟美国航天界进行面对面的、人的交流、思想的交流效果会比光看资料要好得多。比如现在很多成飞人明里暗里都不得不承认如果当初不去格鲁曼,FC-1就不会有今天的这样的效果,应该说格鲁曼教会了我们现代飞机设计的一个基本柜架。

但上层的交流就复杂多了,好的情况他只想卖给你东西,不好的情况又是什么政治问题......

点评

雷凡是谁?  发表于 2013-6-6 22:02
liudao 发表于 2008-12-4 18:38 | 显示全部楼层
原帖由 fireeyes 于 2008-12-4 13:12 发表
刚开始啊,不要想一口吃成胖子。

其实我认为这种低层次的技术交流对我们还有利些,因为主要是技术上的交流尤其是思想上的交流,不是说我们航天口紧密跟踪美国的技术云云吗,我想我们航天的进步一定有借鉴他山之石 ...


你知道你在说什么吗?尤其是开头一句.
heito 发表于 2008-12-22 15:29 | 显示全部楼层

布什拒绝美国宇航局同中国进行太空合作提议

布什拒绝美国宇航局同中国进行太空合作提议http://www.sina.com.cn  2008年12月22日 14:14  环球时报
资料图:9月28日,中国神七航天员出舱。新华社记者李刚摄
  环球时报特约记者尚斌报道 据美国《航空和空间技术周刊》12月21日报道,美国宇航局(NASA)局长迈克尔-格里芬表示,布什政府拒绝了该机构同中国开展太空合作的提议。
  白宫认为,鉴于中国“在人权和武器交易方面违反了国际法的规定,与中国开展更高层次的合作是对中国的过于奖赏”。
  不过,奥巴马政府可能会使这一想法变成可能。奥巴马过渡团队询问了美国宇航局与中国合作计划破产一事的细节。
  报道说,美国宇航局的提议在很大程度上是为了进行太空科研,同时也包括航天飞机和国际空间站的飞行任务。
  美国宇航局的提议还包括阿尔法磁谱仪(AMS),它可能在2010年或2011年初由航天飞机发射升空并被安装到国际空间站上。
  美国宇航局希望允许中国科学家在这一项目上同自己开展合作,因为最初的阿尔法磁谱仪携带有由中国航天公司制造的重达1900公斤的专用磁铁。
  阿尔法磁谱仪是一个计划安装在国际空间站上的粒子物理试验设备,最初由麻省理工大学物理学家丁肇中提议,其目的在于探测宇宙中的奇异物质,包括暗物质及反物质。这个粒子物理实验将在国际空间站(ISS)的主构架上被放置三年,远离大气层以保证不受干扰,并充分利用国际空间站上的系统来采集数据。
  更多精彩内容阅读登录环球网(www.huanqiu.com)
暗夜流星 发表于 2008-12-22 15:43 | 显示全部楼层
英文原文

---------------------------

By Craig Covault

NASA tried and failed to obtain Bush administration approval of an overture to China for a cooperative U.S.-China space mission, NASA Administrator Michael Griffin tells Aviation Week & Space Technology.
The White House believes that a higher level of cooperation is too great a reward to China for its human rights and arms-trafficking violations of international law.
But the new Obama administration may resurrect the idea. The transition team of President-elect Barack Obama asked the agency for a detailed breakdown of its contacts with China and overall Asia-Pacific-region cooperative concepts in general.
The mission concept suggested by NASA was largely devoted to space science, but also involved flight operations on the space shuttle and International Space Station (ISS). It would not have involved the launch of a Chinese astronaut, however.
The concept included the large Alpha Magnetic Spectrometer (AMS) that was flown on a shuttle mission 10 years ago as a solo payload and is likely to be launched for installation to the ISS on what could be the space shuttle's final mission in late 2010 or early 2011.
NASA's proposal was to allow the cooperation of Chinese scientists in the mission - since the original AMS carries nearly 1,900 kg. (4,188 lb.) of specialized magnets made in China by Chinese aerospace companies. "We ran that up the flagpole to the administration," Griffin says. The modernized version of the AMS for long-term ISS installation may not carry nearly as much Chinese-built hardware as the original design, though.
Sun Laiyan, who heads the China National Space Administration, also confirmed to Aviation Week & Space Technology last spring that some form of cooperation on the AMS had been discussed within Chinese government circles, too, in order to decide what to do if NASA raised it to the Chinese. Sun laughed and said it appeared his government's side had as much problem with the idea as did the U.S. government.
Kennedy Space Center managers are working up preliminary checkout flow documents for preparation of the AMS once it arrives from Europe for integration into the shuttle that will carry it to the ISS.
The AMS will be a powerful scientific tool for the study of mysterious and seemingly invisible cold dark matter that makes up the bulk of mass in the universe.
The U.S.-China cooperation could have been on multilateral, as opposed to bilateral, terms, says Mike O'Brien, who heads NASA's international affairs.
If the Obama administration approves some form of cooperation with China involving the AMS, then the final Kennedy Space Center launch of the shuttle would be a major international event in its own right - involving Chinese guests and possibly Chinese astronauts given access to journalists and other observers during the launch and landing.
暗夜流星 发表于 2008-12-22 16:15 | 显示全部楼层
麻省理工学院的一个小组发表了一份报告,鼓励美国和中国在载人航天方面进行合作。
原文在这里:http://web.mit.edu/mitsps/MITFutureofHumanSpaceflight.pdf
Nighthawk 发表于 2008-12-22 17:10 | 显示全部楼层
神舟飞船系统是有参与ISS项目的这个实力的。不知道各位注意到没有,神舟七号的轨道高度和ISS差不多,而且两者有过轨道交会,最近一次相距只有40km左右,伴星一号则接近到20km左右。如果当时神七在轨道交点处合适地点一下火,把轨道倾角变到和ISS一样,那是可以伴飞ISS的。只是神舟飞船离成熟还有时日,而且美国人也选用联盟作为航天飞机与CEV空白间的过渡。
Nighthawk 发表于 2008-12-22 17:14 | 显示全部楼层
这是美国AGI公司模拟的交会视频地址:http://www.agi.com/resources/ani ... ShenzhouVII_BX1.wmv
阿尔法磁谱仪嚷嚷了这么多年,比咱们的HXMT还难产。
站长 发表于 2008-12-22 22:12 | 显示全部楼层
中国的飞船在解决了空间交会对接后,才会谈定型的问题,而定型后就可以进行各项应用了,可以说从神一到神七,没有一艘飞船与其它的飞船状态是一致的。
liudao 发表于 2008-12-22 22:30 | 显示全部楼层
ISS的高度为350-500公里,350公里是它的最低轨道,神舟跟它不搭介.

中国科学家参与的是AMS一期工程,即那个巨大的稀土永磁铁是中国制造的.但AMS二期工程基本没中国什么事,因为改用更先进的超导体了,也没有什么迹象表明二期工程严重滞后.
Nighthawk 发表于 2008-12-23 12:41 | 显示全部楼层
轨道差一点没什么,神舟推进舱的燃料比较充足,推力器是10kN的,在合适的时机变轨追就可以。1992年第一次哈勃维修任务时,航天飞机就提高轨道追上了600km轨道的哈勃。
主要是这种合作政治意味太浓了,美国在这方面处处设防,卡得很死。
darklighter 发表于 2008-12-23 13:05 | 显示全部楼层
神舟要和国际空间站对接,就不能发射到倾角42度的轨道上了。从42度变轨道51度倾角,单脉冲需要大约1.2km/s的速度增量,数倍于神舟可能具有的变轨能力。轨道高度与之相比根本不是问题。
酒泉没有打过51度倾角,如要打的话需要重新规划火箭航区、残骸落区,返回场也可能要重新选择。
feibob 发表于 2008-12-23 13:07 | 显示全部楼层
晕,  要是四十公里在话, 在外太空应该是可以互相看见的了吧?
 楼主| jingyan66 发表于 2008-12-23 13:11 | 显示全部楼层
SZ与ISS采用的对接接口很可能都不一致,怎么合作
我爱6S 发表于 2008-12-23 13:16 | 显示全部楼层
原帖由 jingyan66 于 2008-12-23 13:11 发表
SZ与ISS采用的对接接口很可能都不一致,怎么合作


不是听说全世界都用俄罗斯的设计吗?怎么会不一致?莫非中国作了创造性的修改?抑或照猫画虎抄错了?
Nighthawk 发表于 2008-12-23 15:28 | 显示全部楼层
我相信接口应该是一致的,王永志也说过,中国的空间站和别人的空间一样,用的也是4.2米模块。那接口这种东西,得考虑到未来可能的合作。
四十公里开外应该看得很清楚了,呵呵,如果当时有阳光照射的话。
cmj9808 发表于 2008-12-23 16:18 | 显示全部楼层
下图为现有和在研的几种对接装置,左边两个是俄式的,左上的APAS估计就是神舟即将采用的。右上的LIDS是CEV准备采用的
liudao 发表于 2008-12-23 17:44 | 显示全部楼层
原帖由 Nighthawk 于 2008-12-23 12:41 发表
轨道差一点没什么,神舟推进舱的燃料比较充足,推力器是10kN的,在合适的时机变轨追就可以。1992年第一次哈勃维修任务时,航天飞机就提高轨道追上了600km轨道的哈勃。


拿航天飞机举例不恰当.航天飞机在设计时,和载人飞船的性质就不同,它要太空追星,太空抓星,早期方案甚至考虑过太空作战,所以它必须有较强大的机动能力.600公里不算什么,它就是按照185-1100公里设计的,但对载人飞船就太勉强了,既无必要,也不现实.
fireeyes 发表于 2008-12-24 11:37 | 显示全部楼层
布什就要下台了,这个问题当然留给奥巴马啦。
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