時間平均值測量 的英文怎麼說

中文拼音 [shíjiānpíngjūnzhíliáng]
時間平均值測量 英文
time average measurement
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations

    本文提出了一種新的蜂窩移動通信系統越區切換演算法,該演算法採用了兩個長度不同的窗口,有利於在切換延和切換次數這對矛盾之取得更為有效的衡,特別適用於需要對多個基站進行切換的情況.同本文給出了基於矩形窗口的雙窗口切換演算法數學分析模型,及數分析結果
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w ),激光位移傳感器的范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  3. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的輸出信號之一? ?透光強度(對應于dc)作為原水的特性表徵參數, dc可以同反映顆粒濃度和比表面積因素的影響,試驗結果證明, dc與單位體積水中泥沙顆粒總表面積s _ p之具有很好的冪函數關系: dc = cs _ p ~ d ,式中c 、 d為經驗系數,進而得到了以dc為參數的高分子絮凝劑投藥公式: d = f ( dc ) = e ( dc ) ~ f ,式中: e 、 f為經驗系數,相關系數達0 . 981 ,利用所建立的公式,建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  4. Air quality - determination of the uncertainty of the time average of air quality measurements iso 11222 : 2002

    空氣質.空氣質不確定度
  5. Considering the vectorial property of the time - average energy flow density, a new extensive definition of the light intensity has been proposed. it is expressed as the time average of the amount of energy which crosses in a unit time and a unit area, so it can be applied to measure quantity of the light intensity at any curved surface

    對于非傍軸標光場能傳輸規律的描述則必須考慮其能流密度的矢特性,應當採用光強的精確定義? ?單位單位面積上所流過能來精確地描述某一橫截面上的能流,這也與光強的實際是一致的。
  6. We choose the forest appearance tidiness, representative stands serving as standard plots, 40 stands were set up at qinling, hanzhong, huanghong in shaanxi respectively, measure every tree in the stands, measure the actual increase by the dominance tree, the time series model of individual age and diameter of quercus variabilis was established according to the actual diameter of quercus variabilis population by the fluctuant time series, the comparison of simulation and reality value of the every stand of quercus variabilis population diameter increase through the four models, the average simulation difference within 1. 5 %, the accuracy is 97. 8 % the simulation effect is better

    在陜西的秦嶺、漢中、黃龍地區選擇林相整齊、有代表性的地段作為標準地,設置樣方40個,對各樣方內的林木進行每木檢尺,通過優勢木解析的方法,得栓皮櫟種群胸徑的實際生長,運用起伏型序列分析,建立了栓皮櫟種群個體年齡與胸徑生長的序列模型,四個模型所得的各個樣地栓皮櫟胸徑生長的模擬與實際進行比較,其模擬誤差都在1 . 5 %以內,精度達到97 . 8 % ,模擬效果較好。
  7. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長徑比的合理取范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模關系曲線和喂料熔體充填速度與充模關系的曲線,得到了注射壓力對充填和型腔壓力的影響規律,確定了最佳的充模、注射和注射壓力;通過分析採用不同位置澆口注射注射件關鍵位置單元的流動速度和壓力分佈,預了注射件的成形質,或可能產生的注射缺陷及位置,優化了澆口設置。
  8. Second, the bar of the frequency - distribution and the curve of lorenz and the g coefficient are talked about the spatial distribution of day to day precipitation. the results show that the heterogeneous of day precipitation is strong on every day in a year. the spatial distribution model is left skew all in four seasons and it is different from the monthly precipitation

    其次利用全國700個站逐日降水資料的空分佈頻數直方圖及洛倫茲曲線和基尼系數闡述了我國逐日( 24小)降水非勻性的事實,直方圖顯示全國范圍內逐日降水的水分佈型在四季都是一種明顯左偏態型,與月降水的水分佈型略有不同;基尼系數的月際變化也與月降水的變化相反。
  9. The numerical results show that the flow - field structures and main features of the compressible mixing layer including the distribution of mean velocity, turbulent fluctuation intensities, reynolds stress and growth rates agree well with experimental and other numerical results

    計算出的流場結構和主要的流動特徵包括速度、湍流脈動強度和雷諾應力的分佈以及混合層擴張率都同實驗和其他發展數模擬結果符合得很好。
  10. Among them distributing with the traffic of average rate of increase law calculation flow of passengers capacity ; the flow of passengers is brought out in model law calculation with gravity ; constructing the rate sharing responsibility for building model calculation according to transportation resistance shifts the flow of passengers ; think over time value when the flow of passengers is brought out in the calculation

    以膠濟鐵路提速改造為例,就構造的客運模型作了應用研究。其中以增長率法計算客流的交通分佈;以重力模型法計算誘發客流;依據運輸阻力構建的分擔率模型計算轉移客流;在計算誘發客流考慮了
  11. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為臺,建立金奧大廈及其周邊建築的計算幾何模型,近壁區採用非衡壁面函數法處理,運用基於雷諾的realizablek -湍流模型進行高層建築三維定常風場數模擬,獲得金奧大廈表面風壓系數分佈及基底五分氣動力,並和風洞壓試驗的結果及風壓系數積分計算的基底五分氣動力相比較,發現兩者之的差異在可接受的范圍之內。
  12. After annealing at 600, because of formation of multi - vacancy - type defects that have long positron lifetime, positron annihilation average lifetime increased. when the average positron lifetime increased to maximum value ( 360ps ), the interstitial oxygen concentration decreased to minimum value ( 4 1017atoms / cm3 ). this result suggested that oxygen was involved in the formation of multi - vacancy - type defects

    正電子湮沒技術試證明,快中子輻照直拉硅中在大約600退火產生的多空位缺陷具有較長正電子壽命,可以使正電子壽命增加,當樣品的正電子壽命達到最大( 360ps ) ,其隙氧含降到一個極小( 4 10 ~ ( 17 ) atoms / cm ~ 3 ) ,這說明氧參與了這些缺陷的形成。
  13. The results show that in the later stage of the nucleation process, the maximum slip velocity is monotonically accelerating ; the slipping hot spot ( where the slip rate is maximum ) migrates spontaneously from a certain instant, and such migration is spatially continuous ; when the maximum velocity reaches a detectable order of magnitude ( at least one order of magnitude greater than the loading rate ), the remaining time is 20 hours or more, and the temporal variation of slip velocity beyond this point may be used as a precursory indicator ; the average slip velocity is related to the remaining time by a log - log linear relation, which means that a similar relation between rate of microseismicity and remaining time may also exist ; when normal stress variation is taken into account, time scale of such processes can be extended by about 2 times

    結果表明,在成核的後期階段:最大位移速率單調加速增加;滑動熱點(最大滑動速率處)在後期階段開始自發性遷移,且在空上連續;當最大滑動速率達到可以明顯探(高於載入速率一個數級以上) ,倒計為20小或更長一些,這的速率變化可作為臨震預標志;滑動速率與倒計的關系在臨震階段呈對數線性趨勢,由此可推微震活動增長率與倒計同樣存在對數線性關系;正應力的變化對上述尺度有延長作用,使之大致增加到原數的2倍。
  14. The thesis finds out the trend of the urbane land value fluctuation, and presents a reasonable prediction on the land value in three years " time on the base of the fact that the demands on land for different usages have been increasing since 1988 and the analysis of the relevant fluctuation diagrams which come from the basic land value in 13 metropolises and the historical indexes of it in hunan by the combinational ways of average insert and average output. while studying the way of keeping the land value balanced among different regions, the author analysis the basic land prices of 13 cities in a systematic classifying way and labels them with 4 levels according to their own characteristics. at the same time, the land values are measured by relevant index with the consideration about the economic situation in the whole society

    本文在研究湖南省13個設區城市的基準地價和歷年地價指數的基礎上,通過法與外插法相結合的方法,求出各城市自1988年以來各年度各類用途土地的漲幅,在此基礎上擬合出地價趨勢模型,分析對應的變化曲線,根據各城市地價的分佈特徵對未來三年內的地價做出預;本文在研究區域地價,首先採用系統聚類的方法對各城市的基準地價進行聚類分析,最終將13個城市按照其地價特點分成了4個層次;其次採用相關系數度各城市地價與其他社會經濟發展變化的相關性。
  15. Current estimates of interval times through measurements by global positioning by satellite ( gps ) of rates of slip, coupledwith geological estimates of slips in great earthquakes, give only average values of interval times

    通過gps全球衛星定位系統對滑移率進行,結合考慮大地震期從地質學角度對滑移的預計,從而獲得目前對上述進行的估計,僅能給出
分享友人