Distributed SAR satellite one is a complex and antenna beam synchronization is a prerequisition for interferometry SAR.
分布式SAR是一个复杂的协同工作编队多卫星系统,波束同步是实现干涉SAR的前提。
One problem with the collision hypothesis is the question of how a satellite formed in this way could have settled into the nearly circular orbit that the Moon has today.
碰撞假说的一个问题是,以这种方式形成的卫星是如何在月球现在的近乎圆形的轨道上运行的。
Earth is the only one of the inner planets with a large satellite, the orbit of which is neither in the equatorial plane of Earth nor in the plane in which the other planets lie.
地球是内行星中唯一一个有大卫星的,它的轨道既不在地球的赤道平面上,也不在其他行星所在的平面上。
One of them is the force of gravitation (地心引力), which tries to pull the satellite towards the earth and is like a rope which keeps the satellite from flying away.
其中一个是地心引力的力量,这股力量试图把卫星拉向地球,就像一根把卫星绑住的绳子,防止卫星飞远了。
One such cost arises when a satellite has to take evasive action and thereby USES up fuel, reducing its life in orbit.
当一个卫星不得不回避时,这一费用上涨了,因此也会用尽燃料,减少在轨道里停留的时间。
This story, about the birth of the Moon, is still a theory, one among several attempting to explain the source of our satellite.
这个关于月球诞生的故事,还只是几个试图解释我们这个卫星来源的理论中的一个。
One AEHF satellite will provide greater total capacity than the entire Milstar constellation.
一颗AEHF卫星提供的总容量比整个军事星星座更大。
NASA's Lunar Crater Observation and Sensing Satellite, or LCROSS, last month slammed into one of moon's permanently shadowed craters near the south pole to study whether ice was buried underneath.
「月球陨石坑观察与感卫星」太空总署的「月球陨石坑观察与感测卫星」(LCROSS),上个月撞入月球南极附近一个永久阴暗的陨石坑,探测下面是否埋藏了冰。
Of course, one might ask whether the satellite images that show my house are an invasion of my privacy.
当然,有人可能会问那些上面有我家房子的卫星照片是不是侵犯个人隐私呢?
I was born in October, 1957, one day after the Soviets lobbed the Sputnik satellite into orbit.
1957年十月,苏联发射的人造卫星“伴侣号”升空的后一天,是我的生日。
They drew the curtains around the room, so nonscientific crew members could not see in, and yanked the satellite uplink offline, so no one could leak the news.
他们拉下了屋里的窗帘,避免让不属于搜寻队伍的人看到屋子里的情况,他们还拔掉了卫星设备的天线,这样就没人能把消息泄露出去。
One of these is typically the satellite bus, the brains of the satellite containing positioning and radio equipment, while the other cubes carry the scientific experiments.
其中之一典型的是卫星巴士,卫星的核心部分包括定位和无线电系统,同时其他卫星携带科学实验装置。
One wasn't really anyone's fault: a random collision in 2009 between a long-defunct Russian military spacecraft and an Iridium commercial communications satellite.
一件事实上不是任何人的错:2009年发生在一架长期废弃的俄罗斯军用航天器和一颗铱星商用通讯卫星之间的一次随机碰撞。
A Russian communications satellite collided with an American one over Siberia, spraying debris through space.
俄罗斯一通信卫星与美国一卫星在西伯利亚上空相撞,残骸飞溅太空。
Accurate and timely information on space objects is vital for defending a satellite, but also necessary for attacking one.
对太空目标的准确而及时地信息对于保护卫星很重要,同样对攻击卫星也是必要的。
And the collision of an American commercial satellite and a defunct Russian military one has just added thousands more pieces of debris.
并且美国的商业卫星与俄罗斯的一无效军事卫星相撞过程中,又给太空增加了成千上万片的垃圾。
It may get off to a slow start, since it has not yet signed up many cable and satellite distributors. But its creation points to one of the media business's few bright spots.
尽管新频道尚未同太多有线电视和卫星电视公司签订节目播出合同,开通初期的运营仍较为缓慢,但这一新的做法却显示出了当前传媒产业中为数不多的一个亮点。
Indeed, One WGS satellite will provide more throughput than the entire Defense Service Communications satellite (DSCS) constellation currently on station.
一颗WGS卫星就能提供比现有的DSCS星座更大的通信量。
One day a satellite captured images of the S.U.V. pulling into a large concrete compound in Abbottabad.
一天,卫星捕捉到了这辆SUV驶入Abbottabad一处很大的水泥院子的图片。
Satellite image taken last year shows a situation described as 'one of the planet's worst'
2009年:去年拍摄的卫星图像显示了被称为“地球上最恶劣的环境灾难之一”的真实处境。
Ms di Giovanni went to Africa to forget him. But one night in Mogadishu, amid the gunfire, her satellite telephone rang.
diGiovanni为了忘却他去了非洲,可是有一天晚上在摩加迪沙,炮火中,她的卫星电话响了。
One such satellite, NASA's ICESat, carries a laser altimeter to measure the height of the ice surface.
其中的一颗卫星,美国宇航局的icesat就携带着一个激光高度探测仪来探测冰面的高度。
Considered a "pseudo satellite," Vulture may one day serve as a persistent intelligence, surveillance and reconnaissance (ISR) platform, or as an aerial node in a global communications network.
考虑到它是一颗“伪卫星”,Vulture可以作为一个情报、监视和侦查(isr)平台,或者作为一个全球通信网络的一个结点来服务。
Google maps is an impressive example, for one, annotating business directories with search results and street and satellite maps.
GoogleMaps就是一个引人注目的例子,它使用了搜索结果、街道和卫星地图来标注企业目录。
But one thing still haunts me: That fancy satellite map on the Nissan Leaf dashboard showed less than a handful of charging stations out there.
但是还有一件事困扰着我:那就是NissanLeaf仪表盘上精致的卫星地图提供的充电站太少了。
Once the satellite reached its orbit about four hours and 20 minutes after launch, GOES-P became GOES-15, one of the fleet of satellites necessary to predict weather in North America.
在发射后大约4小时20分钟,GOES - P将到达其预定轨道,成为GOES - 15号卫星,北美气候预报卫星系统的一员。
To beam power from a Dyson-Harrop satellite to Earth, one "would require stupendously huge optics, such as a virtually perfect lens between maybe 10 to 100 kilometres across," he says.
为了将能量从Dyson-Harrop卫星送回地球“需要奇大无比的透镜,比如10公里到100公里范围的完美透镜。”
To beam power from a Dyson-Harrop satellite to Earth, one "would require stupendously huge optics, such as a virtually perfect lens between maybe 10 to 100 kilometres across," he says.
为了将能量从Dyson-Harrop卫星送回地球“需要奇大无比的透镜,比如10公里到100公里范围的完美透镜。”
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