精確觀測 的英文怎麼說

中文拼音 [jīngquèguān]
精確觀測 英文
accurate surveying
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : 觀名詞1. (道教的廟宇) taoist temple2. (姓氏) a surname
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • 精確 : accurate; exact; precise
  • 觀測 : observe; observation; viewing
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監主要評價因子的定量反演模型,並分析了模型的適用性。
  2. Through fully automatic objective measurements including infrared projecting and eye - ground imaging, and with the help of high differentiation ccd lens and 5 monitor screen, computer can calculate patients diopter objectively and accurately

    全自動客覺式量方式,紅外投射,眼底成像反射,通過高解析度的ccd鏡頭和5英寸顯示屏,計算機客地計算出患者的屈光度。
  3. Comparatively rudimentary interferometer observations suggested that this source is about 1. 5 across.

    不很的射電干涉儀表明,這個源的角徑約為15弧秒。
  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察到了碰撞量子干涉效應( cqi ) ,並且得積分干涉角,為了獲得更加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途徑,得出了採用分子束進行實驗的實驗方法,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「」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. High precision positioning is based on carrier phase measurements. how to confirm integer ambiguity is very important

    以載波相位量為依據進行高度定位時,整周模糊度的定是一個關鍵問題。
  7. Recently, with the development of gps, many researchers pay attention to the aircraft ' s precise entrance and landing through gps carrier phase measurement. the key technology of aircraft ' s precise entrance and landing is gps carrier phase integer ambiguity resolution on the fly

    近年來,隨著gps的發展和完善,利用gps載波相位量實現飛機的密進場與著陸的研究,開始受到人們的關注,而載波相位整周模糊度的動態定是其中的關鍵技術。
  8. Study on the uncertainties of methods and precision of net radiation flux measurement

    凈輻射通量方法及度的不定性研究
  9. Then the periodic properties of geocenter motion in the x, y, z components are summarized. considering the statistical precision of the gps observations, the geometrical distribution of gps stations and their physical stablility, a new method to determine the parameters of geocenter motion is studied and analyzed. in order to have a better understanding of its effect on the height datum origin, the rule of geocenter motion in the horizontal and vertical components are also analyzed and some useful conclusions are drawn

    提出了將譜分析與抗差估計相結合的抗差譜分析方法,並用該方法分析了地心運動時間序列的主要周期特性;為合理地定地心運動參數,詳細研究與分析了一種新的定權方法對求解地心運動參數的作用,該方法充分利用了gps量的統計度、點位的幾何分佈以及物理穩定性;為了明地心運動導致的高程基準的變化,分析了地心運動對地面點的水平分量和垂直分量的影響規律。
  10. The precise processing of the testing data is a crucial technique of this project, which is essential for reconstructing the flying behavior of tsp. the main tasks of this paper are ameliorating the black box sub - system and developing interface and transacting software of the ground laser radar

    對穩態掃描參數的試數據進行處理,就能夠直再現末敏彈空中姿態;本文的工作就是完善、改進彈上黑匣子數據處理系統和開發地面激光雷達的介面和處理軟體。
  11. Adjusting fire requires that you can not only see the impact area, but can also view it from a perspective where you can accurately gauge depth

    校正炮火則需要你不僅要能夠看到彈著點,而且要能夠從你的察點距。
  12. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的信息定電離層延遲改正模型,為小范圍的單頻用戶服務;研究如何實時分離gps中的儀器偏差與電離層延遲;研究如何建立較大區域的電離層格網模型,進而初步設想利用中國地殼運動網路深入研究我國領域的電離層的電子濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用電離層延遲改正信息;研究利用gps監隨機電離層擾動的基本理論和框架方案;研究如何綜合顧及電離層的周日、季節和年變化,進一步提高利用gps模擬電離層延遲的能力;研究如何實現星載單頻gps低軌衛星的軌中的電離層延遲改正要求。
  13. In order to achieve high precision results and advance efficiency within a short observation time, the integer ambiguity has to be solved fast and correctly

    和快速地解算整周模糊度,對于保障相對定位的度,縮短時間以提高作業效率,是極其重要的。
  14. Various visual functions for measuring and checking, explicitly measuring in details, consistency, time energy saving

    多種直的檢查量功能,量樣板細部尺寸,前後連貫,省時省力。
  15. To rule out other models, we will need more x - ray observations as well as observations at other wavelengths. therefore, the accurate positions provided by chandra will be crucial for further studies

    因此,如果要排除種種其他可能性的話,就需要進行更多射線和其他波段的,這亦有賴于錢德拉天文臺對它們位置無誤的量。
  16. The two of us proposed that observations of more high - redshift supernovae could provide definitive proof and pin down the transition from slowdown to speedup

    我們曾經提出,只要更多高紅移的超新星,就能提供更明的證據,並出宇宙由減速過渡到加速的整個過程。
  17. Intelligent tri - phase ac active reactive power instrument adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    智能三相交流有功無功功率儀表採用先進的微處理器進行智能控制,對輸入的三相交流電壓與電流信號進行量,經過cpu自動計算出三相交流有功無功功率值總功率,由高亮度led數碼管進行清晰直的顯示,同時可轉換成標準電壓電流信號變送輸出,並具有超限控制報警標準串列通訊等功能。
  18. Intelligent tri - phase ac current voltage instrument adopt advanced microprocessor carry out smart control and to inputed tri - phase ac current voltage signal carry out accurate measurement, after through cpu arithmetic processing it is displayed clearly and visually by the high brightness led digital tube, and have super - limit control alarm serial communication function etc

    智能三相交流電流電壓儀表採用先進的微處理器進行智能控制,對輸入的三相交流電流電壓信號進行量,經過cpu運算處理后,由高亮度led數碼管進行清晰直的顯示,並具有超限控制報警標準串列通訊等功能。
  19. Adopt advanced microprocessor carry out smart control and to inputed tri - phase ac current voltage signal carry out accurate measurement, after through cpu arithmetic processing it is displayed clearly and visually by the high brightness led digital tube, and have super - limit control alarm serial communication function etc

    採用先進的微處理器進行智能控制,對輸入的三相交流電流電壓信號進行量,經過cpu運算處理后,由高亮度led數碼管進行清晰直的顯示,並具有超限控制報警標準串列通訊等功能。
  20. Adopt advanced microprocessor carry out smart control, and to the inputed tri - phase ac voltage and current signal carry out accurate measurement, through cpu automatically count out the tri - phase ac active reactive power value total power, conduct clear and visual display by high brightness led display tube, it can be simultaneously transferred to standard voltage current signal to transmit output, and have super - limit control alarm standard serial communication function etc

    採用先進的微處理器進行智能控制,對輸入的三相交流電壓與電流信號進行量,經過cpu自動計算出三相交流有功無功功率值總功率,由高亮度led數碼管進行清晰直的顯示,同時可轉換成標準電壓電流信號變送輸出,並具有超限控制報警標準串列通訊等功能。
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