正在觀測 的英文怎麼說

中文拼音 [zhēngzàiguāncè]
正在觀測 英文
bcnu
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 觀 : 觀名詞1. （道教的廟宇） taoist temple2. （姓氏） a surname
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 正在 : in process of; in course of
  • 觀測 : observe; observation; viewing
  1. In the later eightieth, the notion of visualization was established, during the ten years, the computer and computing technology developed and the observation facility advanced, we have got abundant data, and it is hundreds of times or thousands of times than the past. scientists often have to treat data measured by hundreds of megabyte or thousands of megabyte, and have difficulty in treating so large quantity of data

    科學計算可視化的概念是80年代末被正式提出的，在這十多年裡，計算機與計算技術飛速發展，數據觀測儀器設備有很大的進步，生成了大量的科學數據，數據量級增長了百倍至千倍。
  2. The field observation of the sediments of storm surge produced by no. 11 typhoon in 1997 shows that sedimentation rate of storm surge sediments are greater than that of normal astronomical tide sediments, and the grain size shows relative coarse with poor sorting. vertical sequences of the storm sediment show parallel bedding and overlapped by hummock bedding. these characteristics provide good basis for building the index of storm surge deposit

    通過對梁垛河閘9711號臺風的現場觀測並結合目前已有的風暴潮沉積的研究，分析了風暴潮沉積在構造和結構上的特點，從而建立了正常潮灘沉積中風暴潮沉積的識別標志，同時在野外觀測中還發現即使在風暴潮期間，高潮灘上部仍存在只有淤積沒有侵蝕的地帶。
  3. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  4. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  5. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value

    同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。
  6. To do the investigating and studying work about the achievements of tackling key problem of the quondam exploration of front - zone of mountain, to analyze and study the applicability about the gathering technology used in the seismic exploration of the complicated construction belt of front - zone of mountainous ; 2. combining the quondam achievements, researching the design method of observation system objective of the complicated construction belt based on seismic - geology model, firstly, building the surface level and deep layer seismic - geology model of complicated construction belt and analyzing the forward model, secondly, designing the observation system aiming at the overthrust nappe structure in section and in area ; 3. aiming at the complicated earth ' s surface condition of front - zone of mountain, how to select the exciting method and the parameter, how to optimize the environment of exciting method and reception, how to pledge the normal combination of the datum of different exciting method ; 4

    根據山前帶的地震地質條件特點，本文主要研究了以下幾個方面的內容： 1 、對以往山前帶地震攻關成果開展調研工作，分析研究在山地山前復雜構造帶所採用的地震勘探採集技術的適用性； 2 、研究基於地震地質模型的復雜構造帶觀測系統目標設計方法：如何建立復雜構造帶的表層、深層地震地質模型，利用正演分析目標區的觀測系統；針對逆掩推覆體構造，如何分區分段有針對性設計觀測系統等； 3 、針對復雜地表條件的山地山前帶，如何選擇激發方式、參數，如何優選激發、接收環境，如何保證不同激發方式的資料能正常拼接； 4 、山前帶巨厚礫石區的表層結構調查技術及靜校正方法研究。
  7. Reducing pressures observed over tibet to mean sea level is meaningless.

    在西藏觀測到的氣壓，訂正到平均海平面是沒有意義的。
  8. Recent observations made with themis instrument onboard nasa ' s mars odyssey, currently orbiting mars, found the spots to be as cold as the carbon dioxide ( co2 ) ice beneath them

    正在探索火星的火星奧德賽號探測船，最近用搭載的themis相機進行的觀測，發現這些暗斑和它下方的乾冰一樣冷。
  9. In contrast with the measurement of backscattered ultraviolet solar radiation onboard satellites, ir radiance measurements in 9. 6m spectral channel at various instruments onboard meteorological / environmental satellites allow ozone estimates during both day and night. in this paper, we use ir radiance measurements within 9. 6 im spectral channels from moderate resolution spectral radiometer ( modis ) and advanced tiros operational vertical sounder ( atovs ) to retrieve total column ozone based on the operational retrieval system of national satellite meteorological center. for validating retrieval results, both ground based observation and total ozone mapping spectrometers ( toms ) ozone measurements are used and atovs retrieval results are corrected after the validation

    本文利用美國noaa衛星上的先進的大氣垂直探測器業務系統（ atovs ）儀器和地球觀測系統衛星（ eos ）上的中解析度成像光譜儀（ modis ）上的9 . 6 m臭氧探測通道的輻射測值，在國家衛星氣象中心業務反演軟體系統基礎上，反演出了兩種儀器探測的大氣臭氧總量，並且利用中國五個常規臭氧觀測站的資料和美國研製的臭氧總量測繪光譜儀（ toms ）反演的臭氧資料對兩種反演結果進行驗證分析，對atovs反演結果進行了訂正。
  10. One might capture such information by observing the data generated for valid users of the system as it whizzes by on a wire

    當為系統的正當用戶而生成的數據在導線中傳輸時，可以通過觀測來獲取這類信息。
  11. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  12. Wandering aelig ; ngus i call him. - i am sure he has an ide fixe, haines said, pinching his chin thoughtfully with thumb and forefinger. now i am speculating what it would be likely to be

    「我相信他有個固定觀念192 ， 」海恩斯用大拇指和食指沉思地掐著下巴說， 「眼下我正在揣測著其中有什麼內涵。
  13. 602g / ( cm2, hour ), it led to a temperature gap of 0. 5 ? in average at 0

    混凝土下墊面的近地層溫度在觀測的溫度范圍內與蒸發量呈一定的正相關。
  14. The reflection point will, generally, not lie vertically below the observation point.

    一般情況下，反射點並不在觀測點的正下方。
  15. Meanwhile, hurricane experts are watching a tropical depression in the western atlantic that appears to be on a path that would take it into the caribbean by the end of this week

    與此同時，颶風專家正在觀測一西大西洋的熱帶低氣壓，該氣壓看起來有可能在本周末進入加勒比海。
  16. At the same time, depended on the creep test of double - prestress composite structure which is just being observed, the calculation theory and method of the redistribution of stress of double - prestress composite structure is studied and some helpful reference for design and research of this new - type structure is offered in this thesis

    同時本文結合正在觀測中的二次預應力組合結構徐變試驗，研究了二次預應力組合結構徐變應力重分佈的計算理論和計算方法，為二次預應力組合結構這一新型結構的設計和研究提供了一些有益的參考。
  17. Inside the observatory a team of scientists closely follow the debris

    在觀測所里，科學家正緊盯著殘骸物。
  18. The calculation of this paper is based on these observed data and the validity and preciseness of these data is very important to the result, so that the method dealing of these data is bring forward

    由於本文是在觀測資料的基礎上進行的計算，觀測資料的正確和精確性對壩體彈性模量反演結果有直接的影響。
  19. It is the presence or absence of this additional mechanism that differentiates the two theories observationally

    這個額外機制的顯現與否，正是在觀測上區分此兩種學說的要件。
  20. In order to validate the theoretical investigation, experimental motor sampled signal ( the voltage and the current ) is conversion to digital quantity and given to observer for estimating speed. the comparative results of estimated speed and actual speed show that both are in good agreement

    為了驗證理論研究的正確性，本文將實驗中的電機采樣信號（電壓和電流）轉換為數字量后加在觀測器上估計轉速，並把結果和實際電機轉速作了對比，結果表明穩態下兩者很好地一致。
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