環境研究衛星 的英文怎麼說

中文拼音 [huánjìngyánjiūwèixīng]
環境研究衛星 英文
environmental research satellite
  • 環 : Ⅰ名詞1 （環子） ring; hoop 2 （環節） link 3 （姓氏） a surname Ⅱ動詞（圍繞） surround; encircle;...
  • 境 : 名詞1 （疆界; 邊界） border; boundary 2 （地方; 區域） place; area; territory 3 （境況; 境地） co...
  • 研 : 研同 「硯」
  • 究 : Ⅰ動詞（仔細推求; 追查） study carefully; go into; investigate Ⅱ副詞[書面語] （到底; 究竟） actually; really; after all
  • 衛 : Ⅰ動詞（保衛） defend; guard; protect Ⅱ名詞1 （周朝國名） wei a state in the zhou dynasty2 （姓氏...
  • 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...
  • 環境 : environment; surroundings; circumstances; ambient; closeness; ambience; ambiance; atmosphere
  • 研究 : 1. （探求） study; research 2. （考慮或商討） consider; discuss; deliberate
  1. 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。
  2. These institutions have made use of both domestic and foreign remote - sensing satellites to carry out application studies in weather forecasting, territorial survey, agricultural output assessment, forest survey, natural disaster monitoring, maritime forecasting, urban planning and mapping

    這些專業機構利用國內外遙感衛星開展了氣象預報、國土普查、作物估產、森林調查、災害監測、環境保護、海洋預報、城市規劃和地圖測繪等多方面、多領域的應用研究工作。
  3. These institutions have made use of both domestic and foreign remote - sensing satellites to carry out application studies in different forms and at different levels such as weather forecasting, territorial survey, agricultural output assessment, forest survey, natural disaster monitoring, maritime forecasting, urban planning and mapping, etc

    這些專業機構利用國內外遙感衛星開展了氣象預報、國土普查、作物估產、森林調查、災害監測、環境保護、海洋預報、城市規劃和地圖測繪等多方面、多領域的應用研究工作。
  4. Moreover, the team would brief members of the press on an upcoming international conference, jointly organised by hku department of geography and the state key laboratory of resources and environmental information system lreis of the chinese academy of sciences, during which more than 150 international and local experts would discuss the best practices in the fields of public health and disease surveillance

    當禽流感或其他傳染病在香港大規模爆發，該系統可迅速分析病菌傳播的途徑和方式。此外，港大地理學系和中國科學院資源與環境信息系統國家重點實驗室將于下星期在香港合辦大型研討會，讓國際及本地專家交流及分享在公共衛生和病毒偵測工作上的經驗。研究小組也將在會上介紹研討會的相關資料。
  5. To establish a series of science and technology satellites to enhance researches on microgravity, material science, life science, space environment and astronomy

    建立新型的科學探測與技術試驗衛星系列，加強微重力材料科學生命科學空間環境和天文研究。
  6. In the early 1970s, china began to utilize the scientific exploration and technological testing satellites of the " sj " group in a series of space explorations and studies, and acquired a large amount of valuable data about the space environment

    在七十年代初期開始利用「實踐」系列科學探測與技術試驗衛星開展了一系列空間探測和研究，獲得了很多寶貴的環境探測資料。
  7. This oil spill detection from asar imagery, which is still in progress, proves to be effective in monitor pollution around hong kong. the researchers are working hard in the development of new algorithms and methodology, which will be useful tool to safeguard our beautiful seas

    是次分析顯示衛星遙感能有效地監察各種引致海洋油污的事件，中大將繼續利用asar星圖像進行偵察海面油污的研究，當油污偵察的計演算法及研究方法開發完成後，中大將發表更多研究成果，協助政府有關部門維護香港及周邊水域的環境。
  8. This paper introduce the research significance and critical technology about the laser communication between plane and satellite, summarizes the development on such technology domestic and aboard, studies on the theory which exterior environment and atmosphere have an effect on laser according to research needs, meanwhile, according to various parameters of laser communicate process, simulated researches the integral process

    本文介紹了飛機與衛星之間激光通信的研究意義和關鍵技術，總結了國內外在該項技術上的進展情況，對通信過程中激光所受到的大氣以及其它外界環境的影響進行理論上的探討並建立數學模型，根據通信系統的需要建立局部計算機模擬模型，深入分析各種外在因素對激光通信系統的影響。並根據激光通信系統的相應參數，對整體的通信過程進行模擬研究。
  9. The channel models for land mobile satellite in shadowing environment

    陰影環境下陸地移動衛星通道的模型研究
  10. This paper studies on the attitude ontrol system of three - axis stabilized satellite systematically, and makes deep study on the design of attitude control system. the main work of this paper is as follows : first, found whole mathematical model about attitude control system of satellite. it contains kinematics model, dynamic model, actuator model and torque model. analyse the conmmen characteristic of actuator of satellite ’ s attitude control system

    本文較為系統地研究了三軸穩定衛星的姿態控制系統，並在姿態控制規律的設計方面進行了較為深入的研究。論文主要工作如下:首先，建立了完整的衛星姿態控制系統的數學模型。其中包括星體運動學模型、星體動力學模型、執行機構模型及環境干擾力矩模型。
  11. The main work done in the paper is as follows : 1. satellite attitude dynamics modeling study : for the earth - oriented three - axis stabilized satellite, a precise attitude dynamics model is established, considering the influence of the environmental disturbance, such as the gravity, the sun radiation, the earth magnetic field and the atmospheric resistance

    本文的主要研究工作如下： （ 1 ）衛星姿態動力學建模研究：針對對地定向三軸穩定衛星，考慮了重力梯度、太陽輻射、大氣阻力、地球磁場等環境因素對衛星的影響，建立了較精確的衛星姿態動力學模型，同時又建立了四元素描述的姿態運動學方程。
  12. The study of the thesis is based on such background to carry out the satellite data assimilation methods connected with mm5 mesoscale meteorology model operational forecast, and to serve for the marine environmental forecast and prediction

    本論文的任務正是基於此背景，而開展對衛星氣象數據同化方法及其應用的研究，尋求同mm5中尺度氣象模式業務預報相結合的數據同化方法，為海洋環境預報服務。
  13. The objective of this thesis is to study the problems about ground modeling experiments on the convection heat transfer in the hermetic cabins of two man - made satellites under microgravity, and build up a set of experimental system for the ground modeling - cool experiment - based on the theoretical analysis of the effects of gravity on the flow and heat transfer in the hermetic cabins

    航空航天技術領域中，如何在地面重力環境中實驗模擬空間微重力條件下的流動與傳熱，具有重要意義，但至今尚未得到很好的解決。本文的目的就是研究微重力環境下衛星密封艙內對流換熱的地面模擬實驗問題。
  14. Through the analysis of attitude dynamic equation, how to realize three axis passivity stabilization of the mircrosatellite by just using environmental torque is presented. three sorts conformations of three axis passivity stabilization of the mircrosatellite by using environmental torque are put forward, one is to realize the passive attitude control of microsatellite by using the aerodynamic moment and the gravity gradient, the other two by making use of the gravity gradient and the geomagnetic moment, the attitude dynamics of microsatellite of the three sorts are analysed in detail

    通過對衛星姿態動力學方程分析，給出如何利用環境力矩實現微小衛星三軸姿態被動穩定，並提出三種利用環境力矩實現微小衛星三軸姿態被動穩定方案，即一種利用氣動力矩和重力梯度實現微小衛星三軸姿態被動穩定方案和兩種利用重力梯度和地磁力矩實現微小衛星三軸姿態被動穩定方案，對採用這三種方案的衛星的姿態運動進行詳細分國防科技大學研究生院學位論文析。
  15. Use the magnetic vector for the observation information, the paper estimate the location and rate of the satellite, analysis of simulation results and the sources of error. to further enhance navigation accuracy, the paper study the unscented kalman filter, compare with the extend kalman filter. in the same initial conditions of the extend kalman filter, we do the simulation

    其次，基於磁環境模擬系統的測量數據，本文研究了擴展卡爾曼濾波演算法，建立了衛星的運動學和動力學方程，以地磁場矢量為觀測信息，對衛星位置速度進行了估計，並分析了模擬結果及誤差來源，為了進一步提高導航精度，本文又研究了unscented卡爾曼濾波演算法，給出了原理及步驟，並與擴展卡爾曼濾波進行了比較分析。
  16. Two temporal satellite images were used for vegetation mapping of wolong nature reserve. through overlay analysis of the vegetation maps and dem data, the authors studied the distribution pattern variation of different vegetation types along the topographic gradients. the study resulted that : the extensive deforestation activity beginning at medium 1960 s made intensively impact on the vegetation distribution pattern, and the aftereffect can be distinguished clearly even in medium 1980 s

    北京大學城市與環境學系，北京， 100871摘要：利用臥自然保護區1987年和1997年兩個時段的衛星遙感影像進行植被制圖，並與dem模型數據進行疊圖分析，研究不同植被類型在各種地形梯度上的分佈格局及變化特點。
  17. Therefore, it is a key research project of xichang satellite launch center. the upgrading of intelligence standard in the satellite environment control is of great significance to assure the satellite ' s quality, prolong its working life, and sharpen china ' s competitiveness in the international commercial satellite launch market

    因此，衛星環境控制是西昌衛星發射中心的重點研究課題，提高衛星環境控制的智能化水平和能力，對于確保衛星質量、延長衛星工作壽命、增強我國在國際航天市場承攬衛星商業發射的競爭能力，有著重要意義。
  18. Exploring and searching the brand developing state difficult gies of provincial level satellite tvs ) has recently become one of the hot spots and points in mass communication field, and it is also a severe problem of the television station itself, which is not allowed to be ignored. this thesis analyses the managerial condition of provincial level satellite tvs in details from survival circumstance and market possession, and discusses the strategic theory and thought which support the development of provincial level satellite tvs. it also makes rational examination and intro - section about the brand developing strategies of the aforementioned representative provincial level satellite tvs, and combines the reality to analyses the strategic developing goals of provincial level satellite tvs. finally, this paper predicts boldly that the chinese television will be divided into four remarkable structures - countrywide comprehensive satellite channels, regional satellite tvs, city television stations and tv programmers productive supply organizations

    探索並研究省級衛視的品牌發展戰略已經成為近年來大眾傳播領域的熱點和難點問題之一，也是電視臺自身不容忽視的嚴峻課題。本文從生存環境和市場佔有上詳細地分析了省級衛視的經營狀況，探討了支持省級衛視發展的戰略理論和戰略思想，對上述幾家有代表性的省級衛視的品牌發展戰略做出了理性的審視和反思，並結合實際分析了省級衛視的戰略發展目標。最後，本文還做出了大膽的預測，中國電視將四分天下，彰顯四大格局：全國性的綜合衛星頻道、區域衛視、城市電視臺和電視節目生產供應機構。
  19. This paper defines the definition and intension of sustainable development of the ecological environment again on the basis of summarizing the research in the past, introduced some effective methods, such as geographical information system, etc. and then on, we analize and practise on the survey and satellite remote sensing image about the ecology of tianjin new seaside region

    本文在總結以往研究成果的基礎上，重新界定了生態環境可持續發展的定義與內涵，引進、引用了評價模型、地理信息系統等有效方法，以生態適宜性分析為重點，對天津濱海新區的生態數據、衛星遙感照片進行詳細分析、實踐操作，並在此基礎上，對該區域的生態環境可持續發展提出了一些建議。
  20. Modis ( moderate resolution imaging spectroradiometer ) is an important data getting instrument of information onboard the terra and aqua satellites. these data as the substitute of noaa - avhrr data are familiar with people. the data have been mainly used in dynamic monitoring of natural disaster, changes in landscape and vegetation, global net primary productivity, ecological environment, climate changes, and ocean

    Modis傳感器是搭載在terra和aqua衛星上進行全球變化研究的主要信息數據獲取設備，其數據作為noaa - avhrr的替代產品正逐漸被人們認識和關注，並已被應用到自然災害、土地覆蓋變化、全球生產力、生態環境、氣候變化、海洋等領域的動態監測當中，具有廣泛的應用前景。
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