火箭飞行中途失败。
This effect can make flighting rocket flight fail sometimes.
这种影响有时可造成火箭飞行失败。
A state estimation algorithm of the rocket flight path under single station measurement is studied.
研究了单测站测量的火箭飞行测量数据的状态估计算法。
It has undergone new type rocket flight test, and gained high orbit injection accuracy in satellite launching.
并且此系统经历了新型火箭飞行试验,通过发射卫星,又取得了入轨精度的验证。
So the researching on the inverted pendulum is of important practice meaning to the high technology such as the rocket flight and the controlling of the robot.
因此,倒立摆的研究对于火箭飞行以及机器人的控制等现代高新技术的研究具有重要的实践意义。
NASA needs good weather to launch Ares I-X because engineers need to see the rocket flight all the way through first stage separation, which will mark the end of the test.
NASA需要好天气来发射战神I-X,因为工程师们要在第一级火箭分离前观测火箭飞行全过程,第一级火箭分离标志着试飞的结束。
The helicopter, rocket flight, man-made satellite running, robot's weight lifting, doing gymnastics and hoofing are all similar to the stable controlling of the inverted pendulum system.
直升飞机、火箭飞行、人造卫星的运行、机器人的举重、做体操、及机器人的行走都存在有类似于倒立摆系统稳定控制相似问题。
The severe influence of the rocket engine property, especially its total thrust impulse and work time on the rocket flight performance has aroused great attention among technological workers.
发动机工作性能对火箭飞行性能的严重影响已引起众多研究人员的重视,尤其是火箭发动机推力总冲及其工作时间等重要参数。
When the distance between the mass center of liquid and the mass center of flight vehicle is large, the influences to rocket flight ballistics become serious, which even induce flight instability.
当充液质心与飞行器质心的距离较大时,对飞行器弹道的影响较严重,甚至导致飞行不稳定。
This is the final flight for the world's most travelled rocket ship as the shuttle program draws to a close after 30 years.
这是这艘世界上飞行次数最多的火箭飞船的"绝唱之旅",也宣告近30年的美国航天飞机项目即将终结。"
The rocket made its first flight in 2004 and is capable of launching payloads of up to 24 tons into low-Earth orbit and 11 tons toward the geosynchronous orbits used by communications satellites.
重型火箭在2004年进行首次发射,它可以将24吨重的负载发送到低地球轨道,也能将用于通讯卫星的11吨重的载荷送入地球同步轨道。
The Ares I-X flight is the first of three planned test flights for the Ares I rocket.
本次试飞的“战神i - X”是“战神i”火箭的三个飞行试验计划中的第一个。
During the 2002 Atlantis flight, a piece of insulation broke off and damaged the left solid rocket booster but did not impede the mission or the programme.
亚特兰蒂斯号2002年在执行飞行任务的过程中,一橡胶密封圈破裂,左固体火箭助推器受损,好在当时没有防障任务的执行或影响飞行计划的完成。
During next week?s launch test, the flight is expected to last just over two minutes and reach an altitude of about 28 miles (45 km) as the Ares I-X rocket launches eastward over the Atlantic Ocean.
在下周的发射测试中,“战神I-X”将向东发射在大西洋上空,高度将达到约28英里(45公里),预计飞行时间将持续约两分多钟。
That staging point is expected to come at about the 124-second mark, when the supersonic Ares I-X rocket is traveling Mach 4.7? More than four times the speed of sound, its Max speed for the flight.
分离时刻预计在124秒时,这时超音速火箭战神i - X以4.7马赫的速度飞行——这是音速的四倍,也是飞行的最高速度。
This first rocket experiment to recreate the phenomenon launched from NASA's Wallops Flight Facility in Virginia.
NASA在Virginia的高速飞行机构(Wallops FlightFacility)实施了第一次火箭试验来再现这种现象。
Robert Goddard, an early rocket pioneer and one of the fathers of manned space flight, endured decades of ridicule and died before his dreams became reality.
早期火箭先驱robertGoddard还是一艘载人航天飞机之父,他忍受了数十年的嘲笑,在他死前他的梦想终于成真。
The demonstrator rocket has been fitted out with more than 700 sensors that will send information back to Nasa engineers throughout its brief flight.
演示火箭上已经安装了700多个传感器,它们将会在火箭短暂的飞行中向NASA工程师传递相关的信息。
Virgin Galactic's space tourism rocket SpaceShipTwo achieved its first solo glide flight yesterday, marking another step in the company's eventual plans to fly paying passengers.
10月10日,维珍银河公司执行太空旅游任务的火箭助推太空飞船二号完成了首次单独滑翔飞行,朝最终携带付费乘客旅行又跨出了一大步。
“It gives you a sense of the scale of what NASA does that our flight test rocket is larger than any other rocket in the world,” Ares I-X deputy mission manager Jon Cowart told SPACE.com.
“这会让你觉得NASA的飞行试验火箭比世界上任何其他的火箭都要大,”战神I-X的副项目主管Jon Cowart告诉SPACE.com。
Scientists simulated the ignition of the rocket and the in-flight moves of the capsule to test how the observation, control and communication systems at the Jiuquan Satellite Launch Center work.
科学家们模拟了火箭点火和舱体飞行,以演示届时酒泉卫星发射中心观察、控制和联络系统的运转情况。
Although the presentation is just an academic exercise, several rocket-crew alums go on to work for NASA, which has its Marshall Space Flight Center just down the road from UAH.
虽然这个演示只是一个学术活动,一些火箭队的校友们后来去美国宇航局工作了,航天局马歇尔航天飞行中心离亨茨维尔阿拉巴马大学就隔条街。
Though it would rarely be used, NASA maintains a destruct button in the command center at Wallops Flight Facility that can destroy a rocket while it's in the air.
虽然很少会被使用,美国宇航局保持在沃洛普斯自毁在飞行指挥中心设施按钮,可以摧毁火箭,而它在空中的。
Climbing during daylight hours, the prototype aircraft ultimately reached an altitude just short of 30, 000 meters, breaking records for non-rocket powered flight.
在白天爬升,原型机最终达到海拔30000米的高度,打破了非火箭动力飞行的高度纪录。
Mission designers have added little tweaks to the flight profile to move the rocket?
任务设计师通过略微移动火箭发动机喷口对飞行轨迹做了一些微调以测量它对推进器的影响。
According to a predetermined trajectory, ballistic missile with rocket engine propulsion takes a flight to intended targets under the action of the control system.
弹道导弹是用火箭发动机推进,在控制系统作用下按预定的弹道飞行至预定攻击的目标。
Sunday's flight clears spaceship builder Scaled Composites to begin rocket-powered flights next year, and test flights in space in late 2011 or early 2012.
周日的飞行明确了宇宙飞船建造商s caledComposites将要在明年开启装有火箭发动机的飞行计划,在太空中的试验飞行将在2011年底或2012年初进行。
Sunday's flight clears spaceship builder Scaled Composites to begin rocket-powered flights next year, and test flights in space in late 2011 or early 2012.
周日的飞行明确了宇宙飞船建造商s caledComposites将要在明年开启装有火箭发动机的飞行计划,在太空中的试验飞行将在2011年底或2012年初进行。
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