行星際推進 的英文怎麼說
中文拼音 [hángxīngjìtuījìn]
行星際推進
英文
interplanetary propulsion- 行 : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
- 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...
- 際 : Ⅰ名詞1 (靠邊的或分界的地方) border; boundary; edge 2 (里邊; 中間) inside 3 (彼此之間) betwe...
- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 進 : 進構詞成分。
- 星際 : interplanetary; interstellar星際飛船 space ship; 星際飛行 interstellar flight; interplanetary fli...
- 推進 : 1 (推動工作 使前進) push on; carry forward; advance; give impetus to 2 [軍事] move forward; dri...
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Therefore, this dissertation based on the pre - research defense projects of “ research on longevous service and high reliability of satellite ” of the national tenth - five - year plan, study the method of uncertainty inference, and the application of rough set theory in the development of the satellite fault diagnosis system, the main content of this dissertation is as follows : first, this paper incorporate the status in quo of the technology of fault detecting and diagnosis and the artificial intelligence ( ai ), realize the newest trend of the technology of fault detecting and diagnosis is that using the technology of artificial intelligence to solve the certainty and uncertainty problem in the actual engineering area
為此,本文以國家武器裝備「十五」預研「衛星長壽命高可靠技術」研究項目為背景,研究不確定性推理理論中的粗糙集理論在衛星故障檢測和診斷中的應用,並開發相應的系統。主要研究內容包含以下幾個方面:論文首先結合故障診斷技術及人工智慧技術的發展現狀,明確了故障診斷的發展方向是使用人工智慧的最新研究成果去解決實際應用中更為常見的各種確定和不確定問題。分析了解決不確定推理技術的主要方法及各自的原理並進行了比較。To further facilitate the progress of the project, a hong kong cnsatm committee was set up in march 2000. chaired by cad, the committee comprises representatives from the international air transport association ( iata ), international federation of air line pilots associations ( ifalpa ), cpa, hong kong observatory and telecommunications services providers
為進一步推展上述計劃,由民航處領導的香港衛星通訊、導航及監察系統航空交通管理系統委員會於二零零零年三月成立,其他成員來自國際民航運輸協會、國際航空公司飛行員協會、國泰航空公司、香港天文臺和電訊服務機構。It contributes to the deeper comprehesion of these probability distributions, affords more detailed theoretical basis for further studying and simulating satellite mobile channels, ? theoretical analyses and discussions of the models which are often used in the study of the propagating characteristics of satallite mobile channels are given ; meantime, some discussions on the work of model simulations are also given, ? incorrect derivation of the equality between c. loo model and corazza model in some other papers is pointed out. via the conception of received power, we derivate that in the rural environments these two models really have the equal relationship by the way of theoretical derivation and simulatant fittings. therefore, it is able to use corazza model in studying the characteristics of satellite mobile channels in the rural environments and able to avoid the iterant work of modeling, in order to enhance the efficiency and accuracy of research work, ? detailed processes of simulating lutz model by using matlab6. 0 _ simulink4. 0 and the results of comparisions are given
本文包含有以下的主要內容: ?對衛星移動通信通道傳播特性研究中常用的三個概率分佈給出了詳細的推導過程;以便對這幾個在衛星移動通信通道傳播特性的研究中常用的概率分佈函數有更深的理解,對進一步研究衛星移動通信通道傳播特性和對通道的建模提供了更為詳盡的理論基礎; ?對衛星移動通信通道傳播特性的研究中常用的通道模型進行了理論上的分析和討論,並對衛星移動通信通道建模的研究工作提出了一定的看法; ?指出了以前的文獻中關于c . loo模型和corazza模型的等同性的證明錯誤;並從接收信號功率的角度出發,通過理論推導及模擬曲線擬合重新證明了在鄉村環境下,這兩個模型的確是具有等同性的;從而在對鄉村環境下的衛星移動通信通道傳播特性進行研究時,可以只採用corazza模型來對實際的通道進行建模,這樣可以避免重復的建模工作並提高研究工作的效率和準確性; ?給出了lutz模型在matlab6 . 0 _ simulink4 . 0環境下的軟體模擬實現的詳細過程和整體模擬測試的對比結果,保證了該模型在硬體實現時的可靠性和可行性,從而可以將它們應用於指導模型的硬體模擬實現並可以降低硬體實現時的風險。For example, it can be used to drag make - up and solar pressure cancellation of low orbit spacecraft, formation flying and precise positioning of small satellite, repos
同時, mpt也可用於低軌道( 300 500km )航天器的大氣阻力補償,星際航行航天器的主推進,以及星座和小型衛星的編隊飛行和精確定位等,具有廣闊的應用前景。Abstract : in this paper, the lightcraft vehicle without on - board chemical fuel was analyzed sending manned craft into space on satellite laser - beams powered by solar energy in next age was speculated
文摘:分析了勿需化學燃料的光動力飛行器,並概述了下個世紀從衛星上用太陽光泵浦的激光束推進星際飛行器的設想。It also gave a reference federation model of the satellite passing data analysis simulation application ; 2, by using a tool named kd - rti, it constructed this simulation system based on hla, and realized the simulating function of the system in the condition of local net ; 3, it realized the output of the satellite data report in stk by connecting the output module of stk with rti, and makes the whole federation run synchronically ; 4, in allusion to the magnitude calculation module of the satellite at present, it realizes initially the dating calculation of the exact size of the magnitude when the satellite passes territory ; 5, it finished the data - writing, data - keeping and data - analyzing when the satellite pass territory simulate, it also concluded a reference data - analyzing report for the operators according to the outcome of the analysis
3 、通過衛星工具包軟體stk介面模塊stk / connect和rti的連接,實現了stk中衛星數據報告的輸出,並且通過hla的管理控制機制達到了對stk場景推進的控制,使其和整個聯邦運行同步。 4 、針對目前衛星的星等計算模型進行了研究,初步實現了對衛星過境時星等大小的估算。 5 、完成了對衛星過境模擬時的軌道數據的實時記錄、保存和分析,對分析結果給出了能夠給實際操作人員提供參考的各種數據分析報告和數據圖表。So the city development of kunming shall radiate to whole of our province to be in charge of the important historic task to promote the city distribution in yunna and push the development of other middle and small cities. this article has analyzed the chance of kunming city development, international environment, tendency of city development in the world as well as the present situation of chinese cities and proposed a network city project, in which a primary city, 3 secondary cities and 20 small towns shall compose a city distribution system, from the aspects of objective condition and concrete operation mechanism. further, this network city project suggests to, as main point, program and develop three secondary cities, anling, yiliang and songmin, and small towns, and to disperse part of property of the prima ry city and decompose the city function
於是昆明市城市發展將幅射全省,擔負起促進雲南城市化進程、推動其他中小城市興起的艱巨歷史使命,本文在對世界城市發展趨勢及我國城市目前的現狀,以及昆明城市發展面臨的機遇、國際環境與存在的問題進行分析之後,從宏觀體系和具體運作機制方面提出了按一座主城、三座次級城市、縣城和20座衛星小城鎮的城鎮體系布局,構建網路城市,重點規劃發展安寧、宜良、嵩明三座次級城市,並疏散部分主城的產業和分解城市功能。" internationally, the successful launch of the new wide - bodied aircraft airbus a380 and the introduction of more system elements of the satellite - based communications, navigations and surveillanceair traffic management ( cnsatm ) systems represents the great achievements that have been made in the air transport industry
國際方面,新的空中巴士a380型廣體客機成功研製,以及進一步推行衛星通訊、導航及監察?航空交通管理系統,都印證航空運輸業發展的卓越成就。In the management of city transportation, navigation of satellite cannot meet the practical requirement because of shielding and interfering of satellite signal. therefore, map matching and dead - reckoning ( dr ) is used to assistant navigation. this combination is defined as gps / dr integrated navigation system, in which the map matching is used for correcting the orientation and distance errors of dr
而在城市交通管理的應用中,由於衛星定位信號經常會受到建築物的遮擋和干擾,衛星定位無法滿足導航的實際要求,通常需用地圖匹配和航位推算器( dead - reckoning , dr )的方法進行輔助導航,這種導航方式稱為組合導航系統,其中地圖匹配可用來修正dr的方向和距離的系統誤差,以便在衛星信號失鎖時,提高dr自主定位的精度。Beijing ( ap ) ? china is calling on its officials to help make the internet more civilized and less decadent, state media reported monday, the latest push in a campaign to sanitize behavior on and off the web
北京? ?中國正在呼籲官方的幫助使網際網路多一些文明和少一些頹廢,周媒體星期一報告說,最近推動了一個活動來進行了網上網下的整頓。分享友人