航用星 的英文怎麼說

中文拼音 [hángyòngxīng]
航用星 英文
navigational stars
  • 航 : Ⅰ名詞（船） boat; shipⅡ動詞（航行） navigate （by water or air）; sail
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 星 : 名詞1 （夜晚天空中閃爍發光的天體） star 2 [天文學] （宇宙間能發射光或反射光的天體） heavenly body...
  1. 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。
  2. 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。
  3. Above prices for departure on friday & saturaday by dragonair. electronic ticket, ticket valid for 2 - 4 nights only. non endorsable

    以上價錢以每位計算，乘坐港龍航空。星期五、六齣發。機票有效期2 - 4晚，使用電子機票。只適用於港龍操作之航班。
  4. The orientation information of the sun, the moon and the earth, together with ephemeris are utilized to develop autonomous navigation algorithm, as well as its realization by dsp hardware

    在小樣本觀測數據情況下，研究利用日地月方位信息和日月星歷表進行航天器自主導航以及利用dsp實現航天器自主導航器的技術。
  5. Orbiting satellites were better at spying on enemies than wayward reconnaissance drones, and rockets destroyed targets more reliably than temperamental flying bombs did

    按軌道運動的衛星比難以駕馭且以監控為主的無人駕駛飛機更好地偵查敵情，而且相對於我行我素的自動導航導彈而言，用火箭來毀滅目標更具可靠性。
  6. The international trade of conduct have : the fiberglass products and products which related with fiberglass - aluminum - foil coated fiberglass cloth, heatproof filter cloth, heat preservation material, heat insulation anti - burns the material, sound absorption filter material, silicon coated fiberglass cloth. all kinds of the fiberglass products are widely used in aviation, ordnance, steamship, mechanic, metallurgy, fire - retardant and so on, and they are welcome in regions and countries such as the united states, australia, japan, korea, hong kong

    經營的國際貿易有本企的玻纖製品和以玻璃纖維製品相關的聯接產品鋁箔玻纖覆合布玻纖保溫材料絕熱的阻燃材料吸音過濾材料硅膠覆合布生產的耀星牌各種不同規格系列的玻璃纖維製品，已廣泛應用於航天兵器船舶製造業機械冶金石油開發體育器材消防器材電子絕緣產品顯像管製造等領域。
  7. In perhaps the most unusual proposal of all, scientists from nasa ' s jet propulsion laboratory ( jpl ) in california are proposing to build a probe that uses heated water jets to descend to depths of up to a hundred meters through the frozen ice caps at the martian poles inn search of organic matter

    在或許是最不一般的建議的倡導下，加利福尼亞州航空航天局噴氣推進實驗室（ jpl ）的科學家們正在計劃建造一臺探測器，使用熱水射流穿透火星極地的冰帽，深入到100米以下，搜尋有機物質。
  8. Based on the spaceflight technology innovation program of “ research on the testing method of reliability - - - - research on the fault diagnostic expert system and neural network ” and the pre - research defense projects of “ research on longevous service and high reliability of satellites ” of the national tenth - five - year plan, taking attitude control system of a satellite as object, the theories and the applications of the neural networks and expert system in the fault diagnosis are studied in this dissertation

    本文以航天技術創新基金項目「可靠性試驗方法研究? ?故障診斷的專家系統神經網路技術研究」和國家武器裝備「十五」預研項目「衛星長壽命高可靠性技術」為背景，以衛星姿態控制系統為研究對象，在理論和實踐兩個方面對神經網路和專家系統相結合的故障診斷技術及其在衛星中的應用進行了研究。
  9. He may need to be able to use the stars to navigate his ship.

    他也許需要利用星星來給船隻導航。
  10. The high precision flight attitude of spacecraft has been mainly received through star sensor. the priciple is that at first the star acts as reference and the stars image has been captured by star sensor, then stars image identification and attitude estimation have been done, at last the flight attitude of spacecraft has been received

    航天器的高精度姿態確定主要是通過星敏感器來完成的，首先是以恆星為參照物，利用星敏感器得到星圖，然後進行星圖圖像處理、星圖識別和姿態估算等一系列計算，達到確定出航天器的飛行姿態的目的，而星圖處理是星敏感器處理的基礎。
  11. Ncaps is a novel satellite navigation system presented by scientists of cas recently, which is based on the prin ciple that the land control station transmits the navigation signals via communication satellites, other than special navigation satellites, to the ncaps receivers, in which the received signals are processed to obtain its detailed positioning information

    空基導航系統代表有美國的gps和俄國的glonass衛星導航系統。 ncaps系統是我國科學家最近提出的一種新的衛星導航系統。其主要原理是：地面控制站利用通信衛星（而不是專用的導航衛星）轉發導航電文給接收機，接收機利用導航電文解算出本地位置。
  12. Radio occultation technique for the earth ’ s atmospheric profiling, a new application of the global navigation satellite systems, is one of the most advanced space exploring techniques in the 21st century

    地球大氣無線電掩星觀測技術是導航衛星應用新的生長點，是21世紀最先進的空間探測技術之一。
  13. First, under such background as satellite, spaceship, and aos system, with the characteristics of real - time system and distributed system, this paper is devoted to the vxworks kernel analyzing, which includes scheduling methods, kernel clipping design. then, on the basis of 1553b data bus technology and vxworks drive management theory, a 1553b driver is designed for the vxworks

    首先，論文在研究了分散式實時系統特點和新一代航天星載、飛船及未來空間實驗室等應用系統基礎上，深入分析了航天應用系統目標機運行的主流操作系統vxworks內核的任務調度策略，論述了內核剪裁的原則，劃分了vxworks操作系統的功能界面，並對其進行了剪裁和優化。
  14. The new positioning system which employs three geostationary satellites emitting radio signals to users just like the gps satellites do, and allows the users receiver to solve position based on the received radio signal as well as the reading of electronic map, the drawbacks of double - star navigation system are overcome

    三顆同步導航衛星像gps衛星那樣向用戶播發導航電文，用戶接收機根據這些導航電文信息以及電子地圖高程數據，像gps接收機那樣解算用戶位置，從而克服了雙星定位的兩大缺陷。
  15. All the major crane manufacturers have been devoted to solving these problems ; few ideal resolutions have been obtained yet. though. with the development of gps technology. some tentative new methods to deal with such problems are made possible. this paper probes into how to apply gps technology - global position system with the function of measuring time and distance by use of navigation satellites into integrated container rtp

    各大製造廠長期以來致力於這些問題的研究，但效果似乎並不理想。 gps的誕生及技術性能的提高為輪胎吊這些問題解決提供了新的方法。 gps的含義是利用導航衛星進行測時和測距，以構成全球定位系統，本文就gps在集裝箱rtg上的應用進行探索和研究。
  16. 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。
  17. This dissertation introduces a kind of car navigation system which use inertial navigation equipments and gps navigation satellite to realize the real time orientation. this instrument for navigation can measure informations of vehicle instantaneously, such as altitude, longitude, latitude and display these information on tft lcd

    本文介紹了一種利用車載慣性導航設備和gps導航衛星進行車輛實時定位的導航系統，該導航儀用於實時測量車輛的經緯度、高度等數據信息，並顯示在外掛的tft液晶屏上。
  18. The main purpose of this study is to solve the problem of the sins / gps was used in the satellite and work out the relative navigation between the satellites and how the differential gps was work

    本文主要針對組合導航sins / gps系統在衛星中的應用，星間相對導航以及星間差分gps進行了研究。
  19. Satellite navigation equipment for user

    衛星導航用戶設備
  20. This paper, as a part of the project " complex space - base information network ", its main purpose is to grasp the theory of transfer over ieee 1394 bus, to make pre - research of the possibility and feasibility of the application of ieee 1394 in astronautics and space fields, to accomplish the 1394 - pci adapter and to develop the 1394 demo system on windows platform, which makes smooth transition to develop 1394 technology under realtime operation system vxworks which is used in on - board computers

    本文作為天基網預研項目之一，其目的是掌握ieee1394工作原理，對其在空間飛行器電子綜合系統中的應用做初步探索和研究，實現1394 - pci轉接卡，完成在windows下的ieee1394演示系統，為其在航天星載機的實時操作系統vxworks下的開發平緩過渡。
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