航星 的英文怎麼說
中文拼音 [hángxīng]
航星
英文
navistar-
Because it ’ s hard to get radiation - harden hardware overseas, so the software fault tolerance techniques are significant for our national space enterprise. the computer platform of 863 plan project ” micro intelligent free - flying space robotic system ” consists of cots component. the orbit and the radiation environment of the robot are similar to ones of the argos satellite, and the system is required to have high reliability. therefore it ’ s necessary to applied the software fault tolerance techniques into the system to improve the anti - radiation capability after the techniques been verified valid
因為我國很難從國外獲得輻射加固的硬體,所以,這項軟體容錯技術對我國航天事業的發展具有較大意義。 863計劃項目「小型智能飛行機器人系統」所用的計算機平臺採用商用器件,其衛星的運行軌道與argos衛星軌道近似,面臨的輻射環境與argos衛星相似,要求具有高可靠性。因此,小型智能飛行機器人系統有必要在驗證sihft技術有效的基礎上,應用軟體容錯技術,提高其空間抗輻射能力。If you have the money to upgrade your air even further, get a signal transmitter and begin to build planetary assault carriers
如果你不愁錢,可以建造信號產生器來出行星突擊航母。Professional astronaut besides should operate in astronavigation drive spacecraft, arrive even outside cabin execute a few special missions, if have outer space, walk, discharge or repair a satellite to wait
職業宇航員除了要在宇宙航行中操縱駕駛宇宙飛船,還要到艙外執行一些非凡的任務,如進行太空行走、施放或修理衛星等。At ancient times, people were navigated by means of sun, fixed stars, etc., while currently the common navigation systems are astronomic navigation, inertial navigation and radio navigation
以前,人們主要利用太陽、星星等自然天體。現在人們利用的導航系統主要有:天文導航系統、慣性導航系統、無線電導航系統三大類。Located atop the s-ivb, which is the third stage of the saturn v, is the guidance and control equipment for the launch vehicle.
安裝在「土星V」第三級S-IVB頂部的是發射飛行器的導航和控制設備。Palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer
美國加利福尼亞,棕櫚谷, 1977年,布魯斯?戴爾,光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。Bruce dale, palmdale, california, 1977, streams of light trace a lockheed tristar landing on automatic pilot. from the cockpit dale activated two cameras mounted on the aircraft ' s vertical stabilizer
美國加利福尼亞,棕櫚谷, 1977年,布魯斯?戴爾,光的流線追蹤著一架靠自動導航降落的洛克希德三星噴氣飛機。戴爾坐在駕駛艙中啟動在垂直穩定翼上的2架相機的快門。This prequel is set in a time when the galactic republic is on the wane and its leaders are being forced to kneel to the brutal market forces of the trade federation which has blocked shipping lines to the planet naboo
這部前傳所描述的故事發生在「銀河共和國」趨于衰落的時候,它的首腦被脅迫向「貿易聯盟」殘酷無情的市場軍隊屈服,這個聯盟阻斷了所有到達「奈布」星球的航線。9 this prequel is set in a time when the galactic republic is on the wane and its leaders are being forced to kneel to the brutal market forces of the trade federation which has blocked shipping lines to the planet naboo
這部前傳所描述的故事發生在「銀河共和國」趨于衰落的時候,它的首腦被脅迫向「貿易聯盟」殘酷無情的市場軍隊屈服,這個聯盟阻斷了所有到達「奈布」星球的航線。Sarah : you ' re all freaks. star trek has more reruns than buffy does
莎拉:你們全都是怪胎。 《星艦迷航記》的回放比《魔法奇兵》還多!Shanghai sailstar machinery co., ltd. industry washer
上海航星機械集團有限公司工業洗衣機Always adhere to the inspirit “ to the quality of the course, quality and efficiency ” , “ love factory jobs, unity and progress ” and “ doing good, simple, innovative, self - development ” , the new sailstar group and luzhou, sincerely welcome our new and old friends at home and abroad to work together with us
公司始終堅持「向過程要質量、向質量要效益」 ,本著「敬業愛廠、團結進取」和「行善、明志、創新、自強」的新航星精神,誠摯歡迎海內外新老朋友與我們攜手共進。Simulation results indicate that the algorithm can reduce the delay ' s uncertainty range greatly, even with great position errors the uncertainty range still can be reduced to the half, and is effective for the fast acquisition of long cycle code
數值計算表明,演算法能夠大大壓縮不同導航星和不同場景用戶之間傳播時延的不確定范圍,即使在用戶與衛星位置誤差較大的惡劣應用背景下也能將不確定范圍壓縮一半,從而有效地輔助長碼快捕的實現。Star pattern recognition is to confirm the corresponding relations between the star map of observed stars in field of view ( fov ) of star sensor and the star map of guide stars
星圖識別就是將星敏感器視場中觀測星組成的星圖與導航星組成的星圖進行特徵匹配以確定觀測星與被測星的對應關系。The thesis is a research work based - on star sensor about star identification algorithm, construct of guide star database, attitude calculation method
本文研究基於星敏感器的星識別演算法、導航星庫的構造方法和姿態計算方法。The thesis develops new techniques on the basis of the relating documents - - construct of reduced 2 - d indexed layered guide star database. the database is a uniform storage reduced guide star database with improved 2 - d index it divides guide stars to local bright star ( lbs ) and local dim star ( lds ), and gives priority to lbs in making star triangle to reduce the number of stored triangles. it uses 2 - d na index and linear storage to improve the hit the target rate, save the memory for index
精簡二維索引分層導航星庫,作為一種統一存儲的精簡、索引導航星庫,採用星的分層方法精簡導航星庫,以局域亮星為主構造導航星三角形,減少了星三角形的數量,節約了存儲空間;採用索引方法檢索導航星三角形,提高了命中效率,節約了搜索時間;採用n劃分和線性存儲的方法精簡索引,提高了二維索引的存儲效率;採用索引的邊緣擴充方法,可以在一定程度上減少位置誤差的影響。The volume of the navigation star database is large when star map recognition is carried out by kmp algorithm
摘要用kmp演算法進行星圖識別時,制定的導航星庫容量大。The simulation results show that the algorithm not only inherits the advantages of the original algorithm, but also both volume of the navigation star database and recognition time are equivalent to 1 / 4 that of the original algorithm
模擬結果表明本演算法不但繼承了原演算法的優點,而且導航星庫的容量和識別時間都是原演算法的1 / 4 。Abstract : this paper introduces the constitution, functions and development process of na vstar gps in detail
文摘:較詳細地介紹了導航星全球定位系統( gps )的組成、功能和發展過程。Based on coarse data of positions of user and satellite, estimation algorithms of propagation delay between different satellites and users are given
基於用戶和衛星的概略位置,給出了適用於不同類型導航星和不同用戶場景的衛星信號傳播時延估計演算法。分享友人