流星模擬 的英文怎麼說

中文拼音 [liúxīng]
流星模擬 英文
meteor simulation
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 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...
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • 流星 : 1 [天文學] meteor; shooting star2 (古代兵器) an ancient weapon composed of two iron balls fixed...
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Simulations of magnetic fields generated by the antarctic circumpolar current at satellite altitude : can geomagnetic measurements be used to monitor the flow

    在衛高度南極周圍電所產生磁場的:地磁測量能用監視器的嗎?
  2. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了工作並給出了結果,同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。
  3. Mesoscale model simulations have been performed of a severe thunderstorm that occurred on 22 - 23 august 2001 in huabei area in china. combing with satellite, doppler radar images and general weather observations, the evolution mechanism of the severe thunderstorm is analysed with emphasis on the orographic effect of taihang mountain

    的雲、風、壓場和降水與實況資料進行對比檢驗,在控制效果較為理想的情況下,結合衛、 doppler雷達觀測和常規天氣資料,對整個對風暴的發展演變過程進行分析,並著重對強對風暴發生演變的熱力、動力機制以及重力波特徵進行了研究。
  4. To improve understanding of the processes of heterogeneous land surface - atmosphere interaction, the utilization of satelli te remote sensing is indispensadle. in this paper, with the aid of satellite remote sensing and fiend observational data which observed during intensive observation of huaihe river bain energy and water cycle experiment hubex in 1998, the surface albedo, ndvi normalized difference vegetaton index and surface temperature in regional scale of hubex could be derived. then, the distribution of regional energy balance components could be estimated. this wor provided the physical foundation for the numerical simulation of the huaihe river basin energy and water pro cesses, and is important for us to further analyze the regional distribution of surface characteristic parameters ad energy balance components with the change of the weather situation in hubex in 1998. our work is still in a developing stage, some methods of retrieval in the paper should be improved further

    利用1998年淮河域加密觀測試驗hubex iop期間的資料,進行淮河域能量平衡的參數化方案的研究,用noaa衛的avhrr資料建立了試驗區地表特徵參數及能量平衡各分量的參數化方程,並對衛遙感反演結果和試驗觀測值進行了對比,為淮河域能量和水循環的數值提供了物理依據。
  5. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢量和鄰近通道功率泄漏的詳細分析,定性、定量地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直偏差等)對調制器性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波器的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採用直接調制技術信號的射頻前端的設計;最後,對整個直接射頻調制系統進行測試,結果基本上達到了課題要求。
  6. The technical supporting system of careful regulation includes on - line information monitoring, remote sensing soil moisture monitoring, low - water routing, simulation and brainpower regulation and control

    精細調度的技術支撐體系包括:在線信息監測、衛遙感墑情監測、枯水徑演進、、智能調控等。
  7. 92km3 in 94 - 95. the comparison indicate that interannual variability of simulated and estimated outflow are very close, both of them have an upward trend in the 20 years. but 20 years average quantity of simulated outflow is less than the quantity of estimated outflow. the simulated outflow is about 90 % of estimated. for study the relationship between temperature and sea ice of arctic and the velocity of wind how to influence arctic sea ice, some ideal modeling are run

    與衛資料反演出量比較結果表明,出量和衛反演出量的年際變化非常一致,總體上都有增多的趨勢,但在數值上有一定差距,平均而言冬季海冰面積出量,反演值小於值,而全年則是值小於反演值,約是衛反演出量的90 。
  8. Modeling the trajectories of satellite - tracked drifters with regression models

    利用回歸跟蹤海洋漂浮標軌跡
  9. The dissertation covers the topics as follows : 1 ) based on the studies of the net structure of mers, the ideas offered to use the star - type network with server exchanger as its center ; 2 ) by the comprehensive application of virtual, simulating and computer - based graphing technology, to work out a highly - intelligentized engine room simulating system ; 3 ) the probes into designing a dynamic displaying flow chart for the mers by use of grand viewing screen with projector and of computer - based graphing technology ; 4 ) studies offered of the intelligent diagnosis of equipment errors, by which, the simulating system would be able to give early warnings before error occurs

    本文研究的內容有: ( 1 )通過對輪機器網路結構研究,提出採用以交換機為中心的型網路結構; ( 2 )綜合應用虛現實技術、技術、計算機圖形技術,設計一個具有高智能化的輪機系統; ( 3 )應用大屏幕投影和計算機圖形技術,設計輪機器動態示教程圖; ( 4 )研究輪機似器故障的智能診斷,使系統能提前對故障發生預警。
  10. With the rapid development of micro - satellite technology in china, micro nozzle being the key component of the micro - propulsion system has been paid much effort of research, in this realm, the simulation of rarefied flow in the micro nozzle is the key step for the design and performance improving of micro nozzle

    隨著我國微小衛研製的大力發展,作為微推進系統關鍵部件的微噴管研究成了重要的研究課題之一,對微噴管內場稀薄氣分析是微噴管設計和性能改善所需要解決的關鍵問題。
  11. 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訓練型,並根據面向對象的思想和信號構成系統各設備間聯系的思想來開發訓練型;設計了各組成設備的對象型和實現方法;設計了通用的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。
  12. Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west

    本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環背景進行分析,形成對高原暴雨的整體認識,並為以後的數值提供大尺度環背景及依據,分析中發現: 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響,年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢,分別在高原東北部的外河谷地區和四川北部地區存在大值中心。
  13. The simulation program has been implemented to simulate the procedure of hxmt detecting x - ray source. the simulation result has been used to analyze the overlay region in celestial sphere, the variation of photon current intensity and the variation of the angle between sun and orbit, which demonstrate the reason why to select a 550 km height and 43o inclination low earth orbit as hxmt ' s orbit

    利用程序,實現了一個正在預研的天文衛? ?硬x射線調制望遠鏡hxmt觀測x射線源的過程,分析了天球覆蓋、 hxmt接收的光子強度的變化和太陽軌道面夾角的變化,說明了選取高度為550km ,傾角43o的近地圓軌道作為hxmt的運行軌道是合理的選擇。
  14. Employing the satellite images of landsat - mss and landsat - tm and the integrated techniques of rs, gis, and gps, the authors, with maotiaohe river basin as a case, studied the process and driving factors of land use / cover changes since the beginning of 1970s, and modeled the possible land use / cover changes scenarios in the coming 10 years based on clue - s model, and then made an ecological evaluation on effect of the changes over the past 30 yeas as well as in the coming 10 years by using theory and method of landscape ecology. in this research, the authors, from the angle of international lucc studies, threw much light on the land use / cover changes in the basin and also the derived ecological and environmental problems such as karst rocky desertification

    本文以位於貴州中部的貓跳河喀斯特域為對象,以1973年的mss和1990年、 2002年的tm等衛影像為數據源,運用rs - gis - gps集成技術,研究了該地區在過去三十年間土地利用/覆被變化的過程、驅動機制,運用clue - s、預測了該域在不同目標情景式下的土地利用/覆被變化,並運用景觀生態學的方法對貓跳河域過去三十年間的土地利用/覆被變化以及未來不同情景式下的土地利用/覆被變化的生態效應進行了評價。
  15. In the six weeks up to november 24th, 70 finance firms in britain simulated a five - month - long flu pandemic which at its peak meant almost half the workforce was absent

    在11月24日前的6個期里,英國70個金融公司了一場5個月長的全國性感,在最高峰期間有將近一半的勞動力空缺的演習。
  16. 5. on the aspect of spaceborne sar simulation, after thoroughly analyzing on the representative spaceborne sar simulator, we grasp the spaceborne sar operation procedure, and present a system simulation approach based on radar signal flow

    載合成孔徑雷達方面,論文在其它載雷達方法分析基礎上,把握載合成孔徑雷達的工作程,提出了基於雷達實際工作方式的系統方案。
  17. Our model introduces the general equations of chemical evolution used in galaxies to studies of gcs. in this model the important gas outflow caused by the supernova explosion and other processes during the formation of globular clusters is included. based on such a self - enrichment model, monte carlo method is used to simulate the formation and chemical evolution of globular cluster systems, from which a new explanation of the bimodal metallicity distribution can be given

    本文把系演化中通用的化學演化方程引入到球狀團這一系統中來,特別考慮到球狀團中恆形成過程中超新爆發等因素引發的氣體外,把這一重要的物理過程包含到化學演化方程中,並用蒙特卡羅方法來球狀團系統的自增豐演化。
  18. Although the onboard gps simulation data are not real measurements, if the characteristics of simulation data are very similar to the real data, it would be very suitable for study on some specific methods such as for cycle slip detection and ambiguity resolution

    載gps資料雖不是真實的軌道資料,但在研究某些問題時具有很強的針對性。本文系統研究了gps觀測值的原理、程,並盡量利用已有的成果和最新研究成果,精心挑選所用數學型,以盡量使觀測值和實際情況相符。
  19. 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空間微重力條件下的動與傳熱,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密封艙內對換熱的地面實驗問題。
  20. Established in 1996, huazhixin meter plant ( huaxin meter co., ltd ) is specialized in the development and production of simulation current meters and voltmeters. they are widely used in collaboration with mili - tary equipment, various electronic communication facilitles, measuring instruments and auto control equipment to display all kinds of quantity of electricity and other readings. huazhixin meters are of plenty of assortments and complete functions. they sell well in the domestic and overseas markets and appeal to the customers with their stable and reliable quality, considerate service and sound market reputation

    華之儀器儀表有限公司(原華儀表廠)創辦於1996年,最主要開發和生產,門類齊全,品種繁多的和安裝式電、電壓表,廣泛用於軍工配套和各種電子通迅設備、測量儀器和自動化控制設備上,以顯示各種電量和非電量、華之儀表品種多,功能齊全,以其穩定可靠的質量、周到的服務、良好的市場信譽行銷國內外、深受用戶的歡迎。
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