立體衛星 的英文怎麼說
中文拼音 [lìtǐwèixīng]
立體衛星
英文
stereosat- 立 : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
- 體 : 體構詞成分。
- 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...
- 立體 : 1 (三維的) three dimensional; stereoscopic2 [數學] (幾何體) solid; body立體彩色電視 three dim...
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The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings
顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的距離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性,以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起源年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三角形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時,出現在七星花冠星座里而後又消失了的一顆同一起源亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又消失,小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起源的實際存在或假定存在的星斗183 。In order to calculate the orbit of the satellite, we established satellite movement model based on celestial mechanics and spaceflight dynamics
為滿足衛星軌道遞推計算需要,根據天體力學、航天動力學理論,建立起二體條件下的衛星軌道動力學模型。Metropolitan circle is the result of industrialization and urbanization, which is the embodiment of centralization and radialization when the metropolis is developing to a certainty, in order to advance the space and economy to conform, to form a corporate area, fabricating the new type of metropolitan circle in which the metropolis is the core is new topic for discussion of innovative space structure of the big ciry this paper combine the theory expatiation and demonstration analysis with comprehensive and new statistics data, and theory model, and discusses the all - around regional development in chengdu area from a new angle, ie : using space structure model of metropolitan circle to develop the overall enhancement of strength in chengdu first, the thesis defmitudes the concept, connotation, and character of metropolitan circle, after that, it discusses the formative mechanism of metropolitan circle from the factors such as market, institution and ect moreover, from the practice of metropolitan circle ' s development in ho me and abroad, it summarizes the significance of the metropolitan circle form for the economic and social development, as well as the experience for reference and the problems we should pay attention to = based on these theories and practice, it brings forward the necessity and strategic significance of building metropolitan circle in chengdu, and analysis its possibilities, it also makes a research on the model of this circle, it innovatively brings forth that the double - polar circle structure of central city - sub central city - satellite town should be builded, through the establishment of index system, the sphere of metropolis circle in chengdu can be set which means the central city, sub center city and satellite town are sett it also analysis how to determine the gravity between center city and circumjacent area, and discusses the function orientation of center city and satellite town at last, it briefly analyses the transportation designing of suburb and city which are imperative for constructing the metropolitan circle in chengdu
本文將理論闡述和經驗實證分析與較全面的最新統計資料,以及理論分析模型分析結合起來,從新的角度深入探討成都的區域整體發展,即以都市圈的空間結構模式促進成都整體實力的全面提高。本論文首先明確了都市圈的概念、內涵及特徵,從市場、等因素探討了都市圈的形成機理,並從國內外都市圈的發展實踐中,總結出都市圈這種空間形式所引起的經濟和社會發展的意義所在,以及我們值得借鑒的經驗和需要注意的問題。在此理論和實踐基礎上,提出構建成都都市圈的必要性及戰略意義,分析其可能性;並且對如何構建成都都市圈模式進行了探討,主要是創新性提出構建中心城市-副中心城市-衛星城鎮的雙極圈域結構,並通過指標體系的建立以確定成都都市圈的范圍,即中心城市、副中心城市和衛星城鎮的確定,以及測定中心城市與周邊地區的引力大小,以及對中心城市和衛星城鎮的功能定位進行了探討。Mainly, it includes the outside mode of upgrade and the inside ones. outside mode has new centre mode of upgrade ( set up new city centre district and set up modern cbd ) and many cores the mode of upgrade mainly ( the upgrade mode of the satellite town up
主要包括城市中心區外部更新模式和內部更新模式,外部更新模式主要有新中心更新模式(建立新的城市中心區和建立現代cbd )和多核心更新模式(衛星城更新模式、副中心更新模式) ,內部更新模式主要有局部更新模式(建立初級cbd 、居住區更新模式、建立步行街、城市開放空間更新)和整體更新模式。Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained
首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導航系統中的各類誤差,建立了基於偽距觀測量的系統觀測模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌道,並在此基礎上建立了幾種典型的動態模擬測試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬測試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。So it is necessary to design flight simulation software platform , which could test any on board program
因此,建立一個衛星飛行模擬軟體平臺,用於各種衛星星上程序的地面測試是很有必要的。Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays
二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監測隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的精密測軌中的電離層延遲改正要求。The meteorological satellites, resource satellites, oceanic satellites and disaster monitoring satellites can develop into an earth observation system for long - term stable operation to conduct stereoscopic observation and dynamic monitoring of the land, atmosphere, and oceanic environments of the country, the peripheral regions and even the whole globe
以氣象衛星系列、資源衛星系列、海洋衛星系列和環境與災害監測小衛星群組成長期穩定運行的衛星對地觀測體系,實現對中國及周邊地區甚至全球的陸地、大氣、海洋的立體觀測和動態監測。The purpose of this study has two aspects : firstly, to determine the depth of occurrence of groundwater and to evaluate the groundwater level distribution in the oasis and desert ecotone, secondly, combining rs and gis by visual basic, in order to bring forward the means of making ground water depth map and advance making precision
本研究有兩個目的,一是利用衛星遙感數據評價綠洲-荒漠交錯帶地下水位的分佈,藉助遙感圖像處理及分析軟體pci操作平臺,以landsat - 7etm +全波段圖像作為數據來源,建立了評價地下水位分佈的熱紅外遙感監測模型- - - arglutm模型。Aiming at the linear ccd push - broom of high resolution satellite imagery, the paper discusses theory and application on sensor geometry model, epipolarity model, and stereo image matching. at the end of the paper, the technique of extraction of regular building from high resolution remote sensing image is studied
本文針對高解析度衛星遙感線陣ccd推掃式立體影像的處理,系統地研究了傳感器幾何模型、影像核線模型和影像匹配方面的理論和應用技術;並探討了高解析度遙感影像上規則地物的快速提取技術。This works should be helpful to establish the system of the on - orbit test contents and methods for our country ’ s hj - 1c small satellites
這項工作在我國還是第一次開展,對建立hj - 1c衛星在軌測試內容和方法的體系具有重要參考價值。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。Firstly, under the assumption that the output driving torque generated by the stepper motor of the mirror is constant, such influence analysis is conducted. secondly, a mathematic model of the stepper motor is given. under the assumtion that the input impulse frequence is constant, the rotational motion of the stepper motor of the mirror with the mutual exertions of damping torque, friction torque and disturbance torque generated by satellite platform ' s attitude motion is simulated and analyzed
對衛星平臺姿態振動對紅外相機掃描機構轉動的影響進行了系統深入的模擬分析:首先在步進電機驅動力矩一定條件下,模擬分析了星體姿態運動干擾力矩對紅外相機掃描鏡轉動的影響;接著建立了步進電機的數學模型,在步進電機輸入脈沖頻率一定條件下,模擬分析了步進電機在阻尼力矩、干摩擦力矩、平臺干擾力矩等負載轉矩的共同作用下的轉動情況。There seem to be a confusion between the vatican city state, the minuscule state that exists only since 1929, and the holy see ( of rome ), which is the entity which is active in all international relationships except those of a clearly territorial nature, such as membership of upu ( universal postal union ), intelsat, cept and unidroit ( international institute for the unification of private law )
人們似乎混淆了梵蒂岡城市以及這個國家的關系,這個最小的國家成立於1929年,羅馬聖堂是一個實體,活躍在所有的國際關系中除了那些有明確領土的自然界,比如萬國郵聯,國際衛星通訊機構,以及國際統一私法協會的成員。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。The research and developing of gps / gsm vehicles watch and control system based on analyzing gps positioning technology is discussed in this article. this system is a public security prevention and far distance watching control telecommunication management which has adopt the advanced system in the world including gps / gsm, gis and internet. through this system, all the movable objectives covered by gsm net can be kept being watched and controlled from far distance. the gps data of the movable objectives and different kinds of alarm data will be sent back to the service center through gsm or cable. then the center may send the information of movable objectives " gps data and help alarms that have been already classified and identified to the different departments to deal with linking the consumers through ddn, isdn, pstnand adsl. the advantages of this system is that it adopts mature gps technology and combines the movable telecommunication net - gsm provided by china telecommunicate trades throughout the nation and it can get voice information everywhere. by utilizing internet, vbandsql server computer technology, watch and control center and far distance terminals can aim at how to increase vehicles operating efficiency, decrease wear, promote service quality and build a concentrated system of watch and control, deploy and cammand, scientific management, coordinate and process, and safety in the professions relevant with transfortation of the city
移動目標的gps數據及各類報警數據通過gsm網路及電信有線網路傳回監控服務中心。該中心可通過ddn 、 isdn 、 pstn或adsl等方式與用戶相聯,將移動目標的gps定位信息,求救信息,報警等信息進行分類確認后,實時傳送到相應的職能部門進行處理。本系統的優點在於利用了成熟的gps全球衛星定位技術,並結合了我國電信行業在全國所開通的gsm移動通訊網路,在話音上實現了全國漫遊等特點,在監控中心和遠程用戶終端利用網際網路技術、 vb數據庫管理系統、 sqlserver分散式數據庫管理系統等計算機技術,可針對城市中與交通有關的各行各業如何提高車輛使用效率,降低損耗,提高服務質量,建立集監控、調度指揮、科學管理、協調運營、安全防範為一體的指揮控制體系,發揮其不可替代的作用。By applying hybrid coordinates method, dynamic equations of motion for a satellite system which includes central rigid body, momentum wheels, rigid rotational components and flexible solar arrays are given. together rotational dynamic equations for flexible solar arrays and rigid rotational components are presented
採用混合坐標法,建立了包含中心剛體、動量輪、剛性轉動部件、撓性帆板的衛星系統的動力學方程、帆板轉動動力學方程、帆板撓性振動動力學方程和活動部件轉動動力學方程。Optimization of system and mission based on genetic algorithm ( ga ) about geo satellite using mpt has been probed after analysis of orbit dynamics, and building of mathematic model about geo satellite platform and each subsystem
通過geo衛星軌道動力學分析,建立了衛星總體和各子系統的數學模型。採用遺傳演算法( ga )對mpt用於geo的ot和nssk進行了系統和任務優化計算。A study of aster satellite ortho imagery map based on envi software taking fukang area as an example
衛星影像進行立體測圖技術的應用研究The dynamic model of the satellite with a flexible appendage has been studied in this thesis. also, the techniques of the satellite earth acquisition and three - axis attitude stabilization of both the rigid satellite and the liquid - filled satellite have been researched
本文針對單翼大撓性太陽帆板衛星,建立了撓性衛星動力學模型,在此基礎上,研究了地球捕獲、剛體衛星三軸姿態穩定、充液衛星三軸姿態穩定問題。分享友人