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星期四, 九月 25, 2008

神七未上天 已转30圈

太平洋上夜未眠 神七飞船第30圈测控侧记
2008年09月25日 09:04:58 来源:新华网
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远望一号[资料图片]

新华网远望一号27日电(记者 吴登峰 梅世雄 王玉山)27日午夜,太平洋上夜未眠。

20000多吨的远望一号航天测量船,如同一叶被扣在"碗底"的扁舟,随着绵延的涌浪高低起伏。

这是远望一号船在大海上度过的第27个夜晚。27天来,远望一号船在远离祖国的茫茫大洋上,战风斗浪、风雨兼程,与4艘姊妹船一起在天地间建立起了一条实时、畅通的数据通道,把3名航天员与祖国紧密联系在一起。

30分钟后,在太空中飞行30圈的神舟七号飞船将第六次飞抵"远望一号"上空。在10分多钟的时间里,航天员将完成轨道舱复压确认、脱下航天服等动作。

这,是航天员从轨道舱进入返回舱的关键时段之一。

由于飞船绕地球飞行轨迹与地球转动角度相互变化的原因,其他测控站难以在这一时段对飞船实施测控,任务将由远望一号船独立完成。能否在这段时间内实时准确地把对飞船的测量与通信数据传回指控中心,以及把指控中心的遥控指令与数据发送给飞船,关系到航天员出舱活动的成败。

"一级测量部署!"号令一下,船舱内,各机房数不清的信号灯交相辉映,一排排显示屏上不断跳动着各种数据,上百名科技人员紧盯着屏幕,不放过丝毫变化;船体两侧,一对四米长的减摇鳍减缓缓伸出,使远望号如鲲鹏展翅般支撑在洋面上。

USB雷达机房,全船测控的核心地带。

"5分钟准备!天线指向等待点。"

"明白!"

主操作手周兴国身体紧贴着操作台,轻推操纵杆,甲板上巍峨的雷达天线缓缓转动到飞船出现的方向。远望号巨大的船体随着涌浪起伏、摇摆,但巨大的天线却始终指向一个方向,紧盯着远方的地平线,纹丝不动。

"1分钟准备!"

"嘀嗒、嘀嗒……"秒钟每次跳动,都使空气更加凝重。

突然,屏幕上一道亮线一晃而过,紧接着一个亮点窜入屏幕。随着周兴国几个干脆漂亮的动作,一个亮点被稳稳地"钉"在屏幕中心。

"长江一号发现目标!"

"长江一号双捕完成!"

调度员坚定的报告声,打破了全船的沉寂。此时,比预定捕获目标时间提前了12秒钟。

"座舱舱总压正常!"

"座舱氧分压正常!"

飞船内的一幅幅画面、一行行数据,随着电波飞向遥远的祖国。

"复压阀关,轨道舱已复压至40千帕,报告完毕!"航天员的声音如在耳边,清晰可闻。

"明白!"万里之外,指挥员的声音,铿锵有力,振奋人心。

10多分钟后,飞船重新消失在地平线下。热烈的掌声、激动的欢呼声划破夜空,在寂静的太平洋激荡徘徊。

link 截图

 

美联社报道

China space mission article hits Web before launch


BEIJING - A news story describing a successful launch of China's long-awaited space mission and including detailed dialogue between astronauts launched on the Internet Thursday, hours before the rocket had even left the ground.

The country's official news agency Xinhua posted the article on its Web site Thursday, and remained there for much of the day before it was taken down.

A staffer from the Xinhuanet.com Web site who answered the phone Thursday said the posting of the article was a "technical error" by a technician. The staffer refused to give his name as is common among Chinese officials.

The Shenzhou 7 mission, which will feature China's first-ever spacewalk, ended up launching Thursday from Jiuquan in northwestern China late in the evening.

The article, dated two days from now on Sept. 27, vividly described the rocket in flight, complete with a sharply detailed dialogue between the three astronauts.

Excerpts are below:

"After this order, signal lights all were switched on, various data show up on rows of screens, hundreds of technicians staring at the screens, without missing any slightest changes ...

'One minute to go!'

'Changjiang No.1 found the target!'...

"The firm voice of the controller broke the silence of the whole ship. Now, the target is captured 12 seconds ahead of the predicted time ...

'The air pressure in the cabin is normal!'

"Ten minutes later, the ship disappears below the horizon. Warm clapping and excited cheering breaks the night sky, echoing across the silent Pacific Ocean."

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