飛船天線 的英文怎麼說
中文拼音 [fēichuántiānxiàn]
飛船天線
英文
airship antenna-
Pulp, boxes, frames, general construction, woodwoking ( flooring, siding, ceiling, doors, blinds, etc. ), airplanes, musical istruments ( especially sounding boards of pianos ), cabinets, ships, railroad coaches, furniture, wares, kegs and ladders
紙漿材、箱盒材、線條、地板、天花板、木門、窗? 、模型飛機、樂器構造材(如鋼琴響板) 、櫥櫃、造船材、傢俱等。The motion carriers such as the automobile, trains, war vessels, the plane and so on, are in flux by their position and azimuth, if want kepting satellitic message and taking over satellitic signal, must adopt the platform system of tenaclous tracking satellite antenna
汽車、火車、艦船、飛機等運動載體的位置和姿態不斷的在變化,要保持與衛星的通訊聯系和接收衛星視頻等信號,就必須採用衛星天線穩定跟蹤平臺系統。Unfortunately, venus express happens to be in a phase of its mission in which the geometry of the sun, spacecraft, and earth require it to use the smaller of its two dish antennas for communications ( because using the larger one would expose parts of the spacecraft to unacceptable levels of solar heating )
不幸的是, 「金星快車」所處的與太陽和地球間的位置剛巧使其只能用兩個碟型天線中較小的一個進行通信(因為使用大天線會使飛船的一部分暴露在不可接受的陽光暴曬下) 。Nasa loses radio contact with the mars polar lander moments before the spacecraft enters the martian atmosphere
1999年,在火星極地登陸者號宇宙飛船進入火星大氣前的瞬間,美國航空航天局失去了與其的無線電聯系。Russia ' s soyuz crew capsules and unmanned progress cargo ships have been the international space station ' s lifeline since the u. s. space shuttle columbia disaster in 2003
報道說,自從美國哥倫比亞號航天飛機2003年發生事故以來,俄羅斯的「聯盟」號載人飛船和「進步」號貨運飛船就一直是國際空間站的生命線。Nasa ' s chandra x - ray observatory was launched and deployed by the space shuttle columbia on july 23, 1999
美國航空航天局的錢德拉x線望遠鏡是在1999年7月23日,由哥倫比亞號太空飛船搭載發射升空的。Lastly, establish the rigid - body spaceship attitude kinematics and dynamics equations, and primarily design the spaceship attitude law including limit loop parameters and two kind switch curves. analyze the astronaut ’ s disturbance moments. put the disturbance moments of typical astronaut ’ s push - off act as the input datas of the control system simulation, and analyze the response of the attitude control system after disturbed
最後,建立剛體飛船姿態運動學及動力學方程,並對飛船姿態控制律進行了初步的設計,包括極限環參數的設計和兩類典型的開關曲線的設計;對航天員擾動力矩進行了分析;以典型的航天員推離動作對飛船的擾動力矩作為控制系統模擬的輸入參數,分析姿態控制系統受到擾動后的響應。分享友人