行星數據 的英文怎麼說
中文拼音 [hángxīngshǔjù]
行星數據
英文
planetary data- 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...
- 數 : 數副詞(屢次) frequently; repeatedly
- 據 : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
- 行星 : [天文學] planet
- 數據 : data; record; information
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Dynamic model of satellite is built up with astronomic method, and a short - arch forecast arithmetic of satellite orbit in short arch with single site is given, which is of high precision when only angle data is available
本文使用了天文方法建立了人造衛星運動的數學模型,給出了一種只使用單站短弧段測角數據對人造衛星軌道進行高精度預測的演算法。Based on vector of land detailed survey database, using spot5 imagery as remote sensing information source to analyze the dynamic change of land use, and then updated the land detailed survey database, completed the cadastre change
摘要以矢量格式的土地詳查數據庫為基準,以spot5衛星數據為信息源,進行土地利用變化監測,進而更新土地詳查數據序,並完成地籍變更工作。The detected data, divided into temporal dimension, spatial dimension and classificatory dimension, are mined by using star mode so as to discover the changing laws of track
將軌道數據分為時間維、地理維、類別維3個維度,運用星型模式對軌道檢測數據進行數據挖掘,發現軌道變化規律。Dealing with remote sensing data of different time ( 1987, 1996 landsat tm, and 2000 china - brazil earth resource satellite ccd ) and using the gis technology, the dissertation extracts the changing information of the desertification. the dissertation makes a dynamic remote sensing analysis on the desertification of the research region, and discusses the temporal and spatial evolving law of the desertification
在技術上主要採用了1987 、 1996年的陸地衛星tm數據以及2000年中巴資源衛星1號ccd數據三個不同時相的遙感數據進行圖像處理,並利用gis較強的空間分析功能,從中提取研究區土地沙漠化的變化信息,同時與研究區的其他信息數據進行疊加分析,探討了研究區土地沙漠化的時空演化特點。The orientation information of the sun, the moon and the earth, together with ephemeris are utilized to develop autonomous navigation algorithm, as well as its realization by dsp hardware
在小樣本觀測數據情況下,研究利用日地月方位信息和日月星歷表進行航天器自主導航以及利用dsp實現航天器自主導航器的技術。In eastern ukraine, searchers recovered both flight recorders wednesday from the wreckage of a russian jet that went down tuesday, killing all 170 people on the plane
在烏克蘭東部,搜尋人員星期三從一架星期二墜毀的俄羅斯客機殘骸中找到了兩個飛行數據記錄器。這架客機星期二墜毀,機上170人員全部遇難。The paper establishes a ecological transect, with a length of 90 km and width of 16 km, utilizing the part of tm data on 16th august 1998, from harbin to the natural secondary forests in maoershan, heilongjiang province. with supervised classification, the tm data which had been corrected and enhanced via erdas, combining the data of gps in the field, was classified by seven types including : residential area, glebe, paddy field
本論文利用1998年8月16日的tm衛星數據的一部分,設置從黑龍江省哈爾濱市到帽兒山天然次生林區,長90km ,寬16km的生態研究樣帶。通過用erdas對衛星數據的校正、圖像增強等處理,結合gps野外實地調查數據,進行有監督分類。共分為7種類型:居民點、旱田、水田、河流、灌叢、闊葉林、針葉林,並建立了衛星影像分類解譯標志。The thesis contains following main parts : ( 1 ) the intrinsic flatness of disk galaxies has been statistically analyzed based on 14, 988 disk galaxies taken from the leda database
我們的主要研究工作有: ( 1 )我們從leda數據庫中選取了14 , 988顆盤星系進行了內稟扁度的統計分析。The research background of this dissertation is the defence pre - research item of the national tenth - five - year plan - “ research on longevous service and high reliability of satellite ”. for improving the diagnosis ability of satellite attitude control systems, this dissertation studies on the telemetering data analyzing and diagnosis based on mathematical simulation
本學位論文以國防「十五」預研項目( 02413200204242 ) 「衛星長壽命高可靠性技術」為研究背景,為提高衛星姿控系統的故障診斷能力,對基於數學模擬的衛星姿控系統遙測數據分析與故障診斷進行了系統、深入的研究和探索。In the past few years, with the development of electronic technology and semiconductor storage device, solid state recorder ( ssr ) based on dram and flash memory has taken place the tape recorder, magnetic disk and magnetic - optic disk and been the dominating solution for the storage of mass data in the spacecraft
近年來,隨著電子技術的發展和半導體存儲器密度的不斷提高,以dram和flash為主的固態大容量存儲器逐漸取代了早期星上的磁記錄設備而成為空間飛行器數據記錄的主流方案。Adopting the new land use classification system, high - resolution digital satellite remote sensing image and domestic geographic information system, this paper analyzes and classifies information of land use of miluo city, and updates the land use database after examining it
摘要利用高解析度遙感衛星數據,採用國產地理信息系統軟體,在相應數字圖像處理軟體的支持下,採用新的土地利用分類體系,對汨羅市土地利用信息進行解譯分類,經野外核對后更新土地利用數據庫。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。The final results obtained in this paper contained that the optimal interpolation scheme highlighted by the covariance that the correlation between different time and the correlation between different place being considered ; that the simplification of kalman filter with the singular - value decomposition ( svd ) and the direct construction of state transition matrix pfeceded with " inverse vector expression " ; and that the analysis of t / p data and its blending with theoretical model
這些成果包括:建立考慮了時間相關的方差矩陣和時空相關的最優插值演算法;對卡爾曼濾波演算法進行了svd簡化以及建立了顯式的狀態轉移矩陣;將t p實時衛星數據進行調和分析並與數值模型進行同化處理。Eric rignot of nasa ' s jet propulsion laboratory at the california institute of technology and pannir kanagaratnam of the university of kansas used satellite data to track the movement of greenland ' s glaciers, which slide slowly down to the sea and deposit ice
美國宇航局噴氣推進實驗室的埃里克利格諾特和美國堪薩斯大學的潘尼爾卡那格拉特納利用衛星數據對格陵蘭島冰山的運動進行了監控研究。The results given by the improved software are not both statistically and biologically different from manually specified results, and thus can be used as an effective alternative for the latter. it has a very high sensitivity in determining cells with a tail, meeting the needs of screening tests. it has both a high sensitivity and a high specificity in determining cells with 2 damage grade, indicating a potentially good laboratory index
結論彗星試驗圖像分析軟體經改進后,分析準確性得到提高,程序魯棒性增強,而且易用性改善,並增加了由操作者進行必要校正的功能;所得分析結果與人為指定的分析結果相比,並不同時存在統計學顯著差異和生物學顯著差異,可作為真實可靠的彗星數據分析系統應用;改進后的系統在拖尾細胞判定上具有很高靈敏度,可用於篩查試驗項目;在2級及2級以上損傷細胞的判定上同時具有較高的靈敏度和特異度,是實驗室研究中的優良指標。Abstract : this paper describes the digital seismological observation system of china as a key project of the ninth five - year plan of the china seismlolgical bureau, especially puts the stress on the china digital seismograph network ; the national standard digital seismograph stations ; the satellite information communication network of csb ; the construction scale, design thinking, technological parameters, equipment structure, service function of the china digital seismograph network center, as well as operational process and operation of the china digital seismograph network
文摘:介紹了中國地震局「九五」重點項目中國數字化地震觀測系統,特別重點介紹了中國數字化地震臺網、國家標準數字化地震臺、中國地震局衛星數據通信網、中國數字地震臺網中心的建設規模、設計思路、技術參數、設備結構、服務功能,以及中國數字地震臺網的運行流程和運行狀況。Very small aperture antenna terminal vsat equipment has been installed at the hong kong observatory and chek lap kok for reception of the wafc london broadcast. the vsat equipment occupies very small space. it consists of an antenna and a receiver for reception of the satellite data stream and a data processing workstation for processing and display of the wafs information to forecasters and for incorporation into flight documents
天文臺在總部及赤角分別安裝了甚小天線地面站vsat ,以接收倫敦世界航空區域預報中心的廣播,這套儀器佔地甚小,包括天線及接收器,用以接收人造衛星數據,也包括數據處理工作站,用以處理並顯示世界區域預報系統的資料,讓航空預報員參考及用以製作飛行氣象文件。Then, the numerical simulation experiments with satellite assimilation are launched on three typhoons in 2002 using the 2dvar data assimilation system. the comparison analysis with other data assimilation methods, such as nudging, is also going on the simulation results to typhoon track influence
使用該二維變分同化系統,對2002年發生的三個臺風進行了同化衛星數據的數值模擬實驗,並對模擬結果同三維觀測鬆弛逼近等數據同化方法對臺風路徑影響做了比較分析。The assimilation influence on typhoon track with different satellite data is also compared
同時也對各同化方法同化不同衛星數據對臺風的影響進行了比較分析。Nowadays, many extended kf schemes have been proposed to solve the manipulation of large size of matrix. all the simplifications of kf scheme followed the same rule, that is, kept the major information most possibly and simplified the calculation possibly
4對t / p數據進行調和分析,並將其結果與理論模型數據進行同化處理,使結果更接近於真實值對衛星數據如何進行處理和應用是一個重要的課題。分享友人