satellite constellation 中文意思是什麼

satellite constellation 解釋
衛星星座
  • satellite : n 1 【天文學】衛星;人造衛星;〈比喻〉衛星國。2 隨從,幫閑者,食客。3 【生物學】隨體(指染色體)...
  • constellation : n 1 星座;星群;(占星術中認為與某人命運有關的)星宿;(傑出人物等的)燦如明星的集團。2 型。3 (...
  1. Chapter 3 proposed a constellation scheme for a regional satellite navigation system. the constellation is consist of geosynchronous satellites and synchronous satellites with elliptical orbit

    第三章在分析了適用於構造區域衛星定位系統的衛星軌道類型后,提出了利用靜止衛星和同步橢圓軌道衛星構造星座的方案。
  2. By means of 4 dual - frequency gps receivers over china, the tec in the ionosphere during solar flare on nov 22, 1998 is calculated. the results indicate that the flare, the x - ray level of which is x3. 7, cause obvious tec enhancements in the ionosphere, the largest tec enhancement caused by the flare is about 1. 25 tecu. the characteristic of this method to study such ionospheric disturbances caused by flares is analyzed. it is concluded that this method can be used to study the ionosphere disturbances caused by solar flare, and can get more ionospheric disturbances information because of the special satellite constellation

    此次耀斑爆發引起了設在北京的高頻多普勒長達15min左右的無線電短波中斷。通過對gps得到的電離層tec進行分析發現:此次耀斑造成了大面積的電離層tec的增加,耀斑爆發引起的最大tec增幅在1 . 25個tec單位左右利用高精度的gps數據處理方法可研究耀斑引起的電離層擾動。另外,還分析了由gps計算的tec的時空變化特點。
  3. In view of the regression characteristic and the configuration maintenance demand of the regional coverage satellite constellation, the constellation configuration is optimized using the linear relations between the semi - major axis and inclination and the rates of change of the ascending node right ascension and phase, which enhance the long - term stability of the satellite constellation configuration, simultaneously the sub - stellar and the phase are controlled through changing the deviations of the semi - major axis and the inclination

    摘要針對區域覆蓋衛星星座的回歸特性和構型維持需求,利用軌道半長軸和傾角與升交點赤經漂移和相位角漂移變化率之間的線性關系來優化星座構型參數,提高衛星星座構型的長期穩定性,同時通過協同控制軌道半長軸和傾角漂移量來實現區域覆蓋星座構型維持。
  4. The localization of mobile object is accomplished by nonlinear kalman filter. based on the formulae of localization errors, the rules are analyzed, which describe the relationship between the localization precision and the constellation factors, such as constellation shape, the height of satellite. the method to design the constellation is presented with the help of these rules

    論文利用非線性kalman濾波設計了三星時差定位星座對運動目標的定位定速演算法;根據定位誤差的解析公式,利用模擬方法分析了三星時差定位星座的星座構型和衛星高度等因素對定位精度的影響規律,並依據定位精度影響規律,研究了三星時差定位星座的星座設計問題。
  5. By analyzing the inter - satellite measurement net of walker constellation at some time in geometry and numeric, the correction of system error and random error caused by the change of orbit elements using different type of estimation of inter - satellite measurement net was provided quantitatively

    並通過對walker星座某一時刻的星間觀測網進行幾何分析和數值分析,定量給出了利用不同類型的星間觀測網對軌道根數變化引起的系統誤差和隨機誤差的修正情況。
  6. 2 ) for the rank - short problem of inter - satellite measurement net, the architecture of constellation ’ s autonomous navigation was designed. satellite - to - satellite and satellite - to - ground measurement scheme and time synchronization of measurement were discussed. last, all factors that influence the navigation precision of constellation were analyzed mathematically, and some useful conclusions were drawn

    2 )針對星間觀測網的秩虧問題,進行星座自主導航系統的框架設計,討論了星間、星地的測量方案以及測量值的時間同步問題,最後對影響星座導航精度的各個因素進行了數學分析,得出了一些有益的結論。
  7. The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system

    如航跡產生器的設計,該航跡產生器是研究組合導航問題的前提,從國外一些研究組合導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺誤差進行閉環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中誤差建模方法進行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。
  8. The paper is about satellite positioning and it ’ s related technology. it is divided into three subaspects, which are : doppler - range positioning algorithm and the rule to select satellite ; the constellation of a regional satellite navigation system ; gps interference technology

    本文對衛星定位及相關技術作了較為深入的研究,內容分為三部分,分別是:多普勒和偽距聯合定位法及其選星策略;區域定位的衛星星座; gps干擾技術。
  9. By analyzing the method mathematically, the basic architecture of autonomous navigation system of constellation was designed. and also, the orbit determination method using whole net, the robust estimation method, and the integrated navigation method based on inter - satellite measurement and stellar refraction were studied emphatically

    通過對該方法進行數學分析,設計了星座自主導航系統的基本框架,並重點研究了整網定軌方法、抗差估計方法和基於星間觀測+星光折射的組合導航方法。
  10. Optimal impulse orbit - transfer for making small satellite constellation

    小衛星星座的最優脈沖變軌研究
  11. Control and simulation of optimal impulse orbit - transfer for making three - satellite constellation

    形成三星星座的最優脈沖變軌的控制與模擬
  12. The third chapter involves some problems on attitude determination and integrity ambiguity resolving. using three formation flying satellites for an earth observation as an example, the forth chapter contains some problems about determination of inter - satellite position, attitude and time, by using high precise pseudo - ranging observation onboard pseudolites. the problems are the selecting of coordinate system and independent state parameters, the setting of observation equations, and the conversion of constellation ' s states

    第四章以三星編隊星座為例,討論利用擴展的高精度星間偽距觀測進行星間相對位置、姿態和時間參數確定的一些問題,包括:坐標系、獨立參數的選取、觀測方程的建立和星座狀態的轉換等。
  13. The shape of o constellation is an efficient way to program the missions of regional coverage of reconnaissance satellite constellation, the methods to design o con stellation are discussed in case of two - body or j2 influence

    星座構型是解決偵察衛星星座區域覆蓋的有效方法,本文在二體假設和考慮地球j2項影響兩種情況下對星座進行了設計。
  14. Chapter 2 studies the doppler - range positioning algorithm and tdoa - tdof positioning algorithm which are appropriate to leo satellite constellation

    第二章研究了適用於低軌衛星的doppler - range聯合定位法及tdoa - tdof聯合定位法。
  15. The dissertation considers cooperation and autonomy are important domains to study the reconnaissance satellite constellation, and some key problems in the domains of cooperation and autonomy are studied in the dissertation

    本文認為衛星協同與自治的研究是進行軍用偵察衛星星座研究的一個重要領域,因此論文圍繞衛星協同與自治的一些關鍵問題進行研究。
  16. The reconnaissance satellite constellation is constituted by some reconnaissance satellites, which cooperate with each other in accomplishing the missions of intelligence, surveillance and reconnaissance ( isr )

    軍用偵察衛星星座是指由多顆偵察衛星構成的一個衛星群,它們通過協同工作來完成在一定時間、空間解析度約束下的情報、監視和偵察( isr )任務。
  17. Study on igps application in orbit determining of little satellite constellation

    技術在小衛星星座定軌中的應用研究
  18. Relative states determination for formation satellite constellation by using pseudo - ranging between satellites

    利用星間偽距觀測進行編隊星座相對狀態測量
  19. On the topic of constellation simulation, ranges of simulation software are investigated and opnet and savi are selected as software solution. with the purpose of acquiring appropriate parameter value, a simulation model for satellite constellation is presented

    在衛星網路星座模擬方面,為了構建衛星星座與衛星網路路由演算法的模擬模型,本文考察了各種模擬軟體的功能特點,選擇savi和opnet作為衛星網路模擬軟體。
  20. The simulation experiment indicates that, this method will be one effective method which can meet the future satellite constellation development need, and the handoff is the primary factor that influences the time delay of data transmission in satellite constellation communication networks

    模擬試驗表明,該方案是一種滿足未來衛星星座發展需求的有效方案,星地間的切換是影響該方案中衛星星座通信網路數據傳輸延時的主要因素。
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