satellite structure 中文意思是什麼
satellite structure
解釋
衛星結構-
This paper mainly aims at the characteristics of the hardware and software structure of the parallel computer on satellite, and has fulfilled researches of fault tolerant technique in three aspects of control theories and engineering : the first research of the system level fault - tolerant module is based on the system structure of the parallel computer on satellite, a kind of cold backup module and a kind of hot backup module for multiprocessor computer have been put forward. then the research of software fault tolerant technique which is based on the operate system named rtems has been carried, the mission level fault - tolerate arithmetic and the system level fault - tolerate mechanism and strategies based on the check point technique have been put forward, at the same time the self - repair technique of software which has used the technique of system re - inject has been studied. finally the technique of components level fault - tolerant based on fpga has been studied, a kind of two level fault - tolerant project which aims at the fault - tolerant module of the parallel computer on satellite has been put forward, and the augmentative of circuit that project design realization need is little, this project can avoid any breakdown of any part logic circuit of the fpga
本課題主要針對星載并行計算機體系結構及軟體結構的特點，從如下三個方面進行了容錯控制理論研究和實踐工作:首先進行了基於星載多cpu并行計算機體系結構的系統級容錯模型研究，提出了一種多cpu冷備份容錯模型和一種多cpu熱備份容錯模型;然後進行了基於rtems操作系統的軟體容錯技術研究，提出了任務級容錯調度演算法以及基於檢查點技術的系統級容錯恢復機制和策略，同時研究了利用系統重注入進行軟體在線自修復的容錯技術;最後研究了基於fpga的部件級容錯技術，提出了對容錯模塊這一星載并行計算機關鍵部件的兩級容錯方案，實現該方案所需增加的電路少，可避免板級晶元以及fpga晶元內部任何邏輯發生單點故障。 -
Across the rigid - flexible coupling dynamic analysis, we acquired the coupled effects between the three - dimensional attitude motion of the satellite and the flexible vibration of the antenna ' s supporting beam, and got the dynamic behaviors of the system. and we found the change pattern of the antenna ' s structure parameters, which decide the system ' s connatural characteristic and its dynamic response
通過對衛星?天線形成的剛柔耦合系統進行動力學分析，獲得了衛星的剛體運動與天線的彈性振動之間的耦合影響規律及其真實的動力學行為，得到了天線結構參數對衛星?天線系統的固有特性及其動力學響應的影響規律，為衛星姿態控制和天線結構優化設計奠定了基礎。 -
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。 -
Based on the theory of software architecture, the hierarchical structure is used for designing the software system because the aocs demands real - time and high reliability. the integrated environment for software cross - development of vxworks is used for simulating the schedule of several multi - tasks, the managing of work mode and the communication among the modules. an approach of software architecture for the attitude and orbit control system of satellite is developed in this paper, which is based on a deep study and analysis of modern software techniques
本文運用軟體體系結構的理論，通過對多種軟體體系結構的分析比較，針對衛星姿軌控系統實時、高可靠、復雜等特點，採用層次結構方案進行了體系結構設計，並運用實時操作系統vxworks的集成開發環境，完成了姿軌控系統多任務調度管理、工作模式管理和應用模塊間相互通信的模擬實踐。 -
The mcc is composite of meso -, meso - and meso - scale convective systems which have different structure and motion features. although circularly approximately on the satellite imagery, the mcc shows linear distributions of radar echo, torrential rain, thunderstorm, cumulonimbus and mesoscale physical parameters as a squall line
它是中、和尺度對流系統組成的復合體，它在雲圖上近似圓形，其雷達回波、暴雨、雷暴、對流雲、中尺度物理量場等卻呈類似颮線的帶狀分佈。 -
The paper particularly analyzed the satellite resource management structure, satellite connect admission control and mac ( media access control ) protocol. then the proposed delay equalization algorithm was applied in this satellite network
論文通過對衛星網路資源調度管理結構、衛星接入以及mac （ mediaaccesscontrol ）協議的研究，將提出的基於時延均衡的調度演算法在衛星網路中實現。 -
In this paper aircraft has made vertical and synthetic detecting flying purposefully on 9. 17, 2003 according to cloud ' s macro and microstructure. vertical layers and representative places of stratiform cloud on 9. 17, 2003 are analyzed using the observational data of particle measurement system ( pms ), combined with satellite data, radar data, and precipitation data on ground. by this we have got cloud ' s microphysical structure and physical process of the natural precipitation, and the physical effect evidence has been testified according to observational data after lco2 seeding
本文用綜合觀測的方法，利用機載pms雲粒子探測系統，根據雲系的宏微觀結構特徵進行有針對性的垂直探測飛行，配合衛星、雷達、地面雨量、雨強計網觀測資料對2003年9月17日延安降水性層狀雲系中那些有代表性的部位或垂直分層做細致的觀測分析，獲得雲系的微物理結構和自然降水形成的物理過程，並用觀測事實來驗證人工增雨引晶催化后的物理響應判據。 -
Studies on karyotypes wihin clones indicated that all the karyotypes belonged to stebbins ' 3b type. there are different karyotype formulas, polymorphsim of satellite chromosome, variations of chromosomal structure and b - chromosome in clones. chromosomal mutation is important factor of chromosomal structure variations within clones
無性系內核型研究表明：各無性系的核型類型都屬于st吮七us的m型、核型公式不完全川同、隨體染色體具多忐性，染色體存在結構變異，研究認為造成無性系內核型變異的重要原因是染色體突變。 -
On the other hand, it seems not quite easy to use the conventional methods to identify the dynamic characteristic of the honeycomb sandwich structure, which is a main structure of the modern satellite, due to its complex construction
而另一方面，作為構成現代衛星的主要結構之一的蜂窩板夾層結構，由於其復雜的構成方式使得應用傳統的辨識方法難以對其動力學特性給出清楚和完整的描述。 -
Finally, the improved method is utilized to identify data acquired by vibration test of a honeycomb sandwich structure with different magnitudes, locations or vibration directions, and the identification results are used to analyze the characteristic of the structure in order to guide the further study of satellite structure ’ s design
最後利用改進后的dbm方法對幾組在不同量級、不同振動方向、不同測點的蜂窩板夾層結構的振動數據進行辨識，並利用辨識的結果對于結構的動力學特性進行分析，從而為實現對衛星結構的設計提供依據。 -
Secondly, the author put forward a layered - structure simulation training model on the basis of the characters of the idr / ibs satellite communication system, and the demand of communication service training. the design is based on object - oriented technology and the thought that the signal float interlinks all system devices. the author analyzed each equipment and put forward the implementation method, and designed an all - purpose simulation platform
然後根據idr ibs衛星通信的特點及其通信業務訓練的要求，提出了層次化結構的模擬訓練模型，並根據面向對象的思想和信號流構成系統各設備間聯系的思想來開發模擬訓練模型；設計了各組成設備的對象模型和實現方法；設計了通用的模擬訓練平臺及排障訓練子系統、測試訓練子系統、考核訓練子系統。 -
With advantages of simple and reliable in structure, high isp and easy control over a wide range of thrust, pulsed plasma thruster （ ppt ） is very suitable for micro - satellite ' s orbit control and high precision attitude control
脈沖等離子體推力器（ ppt ）具有結構簡單可靠，比沖高，推力在較大范圍可控的特點，適合用於微、小衛星軌道控制和小衛星高精度姿態控制，其研究和應用得到了重視。 -
This thesis deals with the following results with regard to the control systems of satellite : ( 1 ) on the basis of global geometry theory, deprive the representation of state equation for the satellite orbit control system under the geometric restraint, show that the geometrical structure of geometric restraint affect on satellite orbit control system, and study the connection between the equilibriums state of the control system and the geodesies of the geometric restraint
對於人造衛星控制系統的研究，本論文的主要工作表現在以下幾個方面： （ 1 ）基於整體微分幾何理論推導出人造衛星軌道控制系統在幾何約束下的整體化方程，展示了幾何約束條件對人造衛星軌道控制系統的影響。並且討論了具有幾何約束的人造衛星軌道控制系統的平衡態與幾何約束條件之間的關系。 -
On calculating glide between plates of satellite structure during uplift
衛星吊裝過程的板間錯動數值計算研究 -
Digital broadcasting systems for television, sound and data services. framing structure, channel coding and modulation for 11 12 ghz satellite services
電視聲頻和數據服務數字廣播系統. 11 12 ghz衛星業務結構頻道編碼和調制 -
Satellite laser altimeter return waveform is sensitive to the vertical canopy structure and the change of underlying ground elevation. it is optimal for mapping forest structure. the return waveform and the processing method are described. the relationship between laser waveform and canopy structure parameters is explored ignoring the clumping effects. the clumping caused that structure parameters are different from the actual value. to solve this question, a model by 3 - d canopy structure parameters is needed
星載激光測高儀的回波信號能夠靈敏反映地面植被組成和地表高度的變化，因此能夠用於探測森林地貌;首先對星載激光測高儀的森林回波信號及其處理方法進行了介紹，探討了在不考慮植被聚集情況下，植被組成與回波信號之間的關系;由於植被的聚集效應，例如樹葉群集成樹冠，會導致植被組成參數與真實值之間存在差異，這需要建立關於三維的空間分佈模型加以解決。 -
As the modern small satellite technique developing quickly, the multifunctional structure ( mfs ) technique is come out. the mfs technique is a new designed method of deep space detector
多功能結構技術是在現代小衛星技術飛速發展的情況下，而興起的一種新的深空探測器設計方法。 -
First, it introduces the network control center of beidou satellite and the beidou satellite locating navigational system, which are the background of design and implementation of web service, and the function and status of web service in system. then, it totally analysis the identity and structure of web service, and expound several technologies of web service : the first is xml which is the base technology, the second is wsdl which is the interface description language of service, the third is soap which is communication and message transferring of service, the fourth is uddi which is the description, discovery and integration of service
首先，對webservice的設計實現所在的系統背景? ?北斗衛星定位導航定位通信系統和民用網管中心進行簡要介紹，以及webservice在系統內的作用和地位；然後從總體上分析了webservice特性、體系結構，並闡述了幾種webservice的相關技術：第一，核心技術xml ；第二， web服務描述語言wsdl ；第三，服務組件的通訊和消息傳遞協議soap ；第四，服務組件的描述、發現和集成協議uddi 。 -
Take european dvb - s standard applied to various satellite broadcast for example, the channel coding structure charts is established. the theory of modulation mode of qpsk and forward error correct including rs coding, convolutional coding, energy dispersal and interleaving are reseached. 4
以歐洲的dvb - s適用於多種衛星廣播系統的標準為例，建立了通道編碼的結構圖，對數字視頻廣播中的前向糾錯（包括了rs碼，卷積碼、能量擴散和交織技術）和調制方式四相相移鍵控調制進行了研究。 -
The small astronomical satellite has demands on both pointing accuracy and attitude maneuverability, so this thesis modeled the attitude control subsystem based on reaction wheels. under the fine precision pointing mode, a pd control law and a variable structure ( vs ) control law were studied respectively, and the simulation validated that vs control is more effective under fine precision pointing mode. furthermore, the vs controller for rapid large - angle maneuver was also designed
2 ） svom衛星同時對指向精度和姿態機動性有著很高的要求，因此本文建立了基於反作用飛輪的svom衛星姿態控制系統模型，在高精度慣性定向三軸穩定模式下分別設計了pd控制律和變結構控制律，通過模擬驗證了變結構控制對于svom衛星的有效性，並基於變結構控制研究了svom衛星快速大角度機動的方法。
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