時間平均輸出 的英文怎麼說

中文拼音 [shíjiānpíngjūnshūchū]
時間平均輸出 英文
time-average output
  • : 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
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • 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...
  • 輸出 : 1 (從內部送到外部) export 2 [電學] output; outcome; outlet; out fan; fanout; 輸出變壓器 output ...
  1. Finding a feasible and efficient load balanced strategy for the ultra - scalable multi - plane multi - stage switch architecture is a top of nowadays research. the dissertation proposes a two - stage load balanced scheme for the ultra - scalable multi - plane multi - stage switch architecture based self - routing and non - blocking permutation benes network. the approach uses reasonable and efficient logical queueing strategy and schedule scheme in ingress traffic managers and switch planes to realize the two - stage load balancing of ip traffic which for different destination addresses

    本文提一種適用於基於完全可重排無阻塞benes拓撲構建的多面多路徑(多級)超大容量交換結構的兩級負載衡策略,通過在入流量管理器和benes交換面內部實施合理而高效的隊列組織調度方法,有效實現了基於不同目的地址的ip流量在兩個層次上的負載衡,較好彌補了ciscocrs - 1系統在面選擇和中級選擇所採用的簡單隨機或輪循方案的不足。
  2. Spatial distribution and time scales of atmospheric diffusion over beijing area are revealed by means of a random walk simulation model and practical meteorological data with a specified emission source from the city. results show a southward transport pattern for wintertime while a northwest transport of pollutants in summer. the area is the least evidently influenced by the emission source in spring, while the largest in autumn. the time spent for instantly emitted material removing from the model domain varies from winter - spring to summer - autumn. the former was shorter one of less than 20 hours ; the latter was longer one of approximately 30 hours. distribution of occurrence probability for different removal times was not symmetry. reducing slowly at the end of longer removal time, probability exists for pollutants remaining in this area a long time

    結果表明,冬季示蹤物偏南夏季偏西北的送明顯春季擴散影響范圍最小秋季最大。示蹤物從200km200km模式區域去除明顯分為冬春季和夏秋季兩組,前者較小,在20h以下,後者較大,約30h 。不同去除現的頻率分佈是非對稱的,在長去除一側,現頻率下降緩慢,顯示污染物有在該區域內長滯留的可能。
  3. 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,從四能級速率方程發,推導了ld泵浦nd : yag激光器的閾值、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,提了ld端面泵浦nd : yag激光器的設計方法,給了一定泵浦耦合方式下,振蕩光模尺寸、最佳耦合率、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,對激光器的功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖的高功率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功率的影響規律,提了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,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大功率為1 . 926w ),激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  4. 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

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀( pda ) ,通過理論分析,將pda的信號之一? ?透光強度(對應于dc值)作為原水的特性表徵參數, dc值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值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值為參數的高分子絮凝劑投藥量公式: 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。
  5. In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization

    針對檢定點高程問題,分析比較了獲取高程的加權法和移動曲而內插法的優缺點,得移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究,內容涉及:數碼相機及相機鏡頭的選型,相機畸變差產生原因及測定的基本原理,像片坐標獲取以及同步實現,得結論:利用gpsoem板的秒脈沖( 1pps )特性,能夠實現兩臺數碼相機與gps接收機同步,滿足動態檢定指標要求。
  6. The main parameter are : the mean power of 45kw, the highest output voltage of 400v, the maximum output current of 50ka, the maximum repetitive rate of 100 hz, the preliminary charging time of 35s

    裝置的主要參數為:功率45kw ,最高電壓400v ,最大電流50ka ,重復頻率1 100hz連續可調,預充電35秒。
  7. The conformal microstrip antenna with some unique character has been applied in many fields, especialy on speedy objects. in this paper, an efficient fdtd algorithm is introduced to analyse the microstrip antenna. firstly, the fdtd formula in descartes coordinate system and in cylindrical coordinate system are obtained from the time _ dependent maxwell equations using the yee algorithm in a calculating region where the dielectric parameters are independent of time and space. the choice of the space discretization units and the time discretization interval are discussed which are decided by the accuracy and stability respectively. the shape and setup of the excitation source are discussed too. the excitation source is chosen to be gaussian pulse in shape. secondly, the mur ' s first - order and second - order boundary condition are deduced in cylindrical coordinate system. the methods of transforming radiation fields from near zone to far zone in the frequency domain and in the time domain are presented when fdtd is applied to analyse the characteristics of far zone. finally, three kinds of microstrip antennas are analysed. they are a slot antenna that lies on a plane ground of a microstrip, a slot antenna that lies on a cylindrical ground of a microstrip and a microstrip line _ fed aperture coupled stacked rectangular patch antenna in cylindrical coordinate system

    本文從麥克斯韋旋度方程發,建立了笛卡兒坐標下無源空勻無耗媒質的fdtd基本方程和圓柱坐標下無源空勻無耗媒質的fdtd基本方程,詳細討論了fdtd法計算中步長和空步長的選取原則以及激勵源的類型和設置;推導了mur一階和二階邊界條件在圓柱坐標下的差分格式;給了在用fdtd法計算天線的遠場輻射特性必需採用的頻域和域近場遠場變換技術;最後用fdtd法計算了面微帶縫隙天線、柱面共形微帶縫隙天線和柱面共形微帶層疊天線的入阻抗和遠區輻射場,並分析了天線的一些參數的變化對天線入阻抗的影響,得了一些有用的結論。
  8. In this paper, the repairable queuing system with police is studied. some important queuing quantities and reliability quantities are in detail discussed as follows : ( 1 ) using the renewal process theory and the method of stochastic decomposition, both the transient and equilibrium distributions of the queue length from any state are discussed, and the recursion expression of the equilibrium distribution is given by furthermore, the generating function of equilibrium queuing length distribution is given by ( 2 ) the distribution of waiting time is discussed, and the mean waiting time is given by ( 3 ) the departure of the system is discussed, and the mean value of departure customers when is given by

    具體如下: ( 1 )利用更新過程理論和隨機分解方法,討論了從任意初始狀態發隊長分佈的瞬態解和穩態解,得到了隊長穩分佈的遞推公式:並進一步求得了系統的穩態隊長分佈的母函數( 2 )討論了穩態等待分佈,求得了等待: ( 3 )討論了系統的過程,求得了長期單位內離去顧客的數: ( 4 )討論了服務臺的不可用度,得到了穩態不可用度: ( 5 )討論了內服務臺故障次數,求得了長期單位內的故障次數
  9. Only the main transmitted light from the glued layer or the first - order transmitted light also, is considered at most in the existing study outcome about light intensity transmission. on occasion, some experimental results about light transmission are given as a performance index. and nearly no one considers the contribution of the higher - order transmitted lights and the effects of the inaccuracy in glue technology on light distribution

    人們對它的研究,往往只考慮棱鏡膠合層的兩切割斜面上的主透射光束,至多同考慮次級透射光束對射光強的影響,或直接將光束光強透射比的實驗值的結果作為棱鏡的一個性能指標給,很少考慮棱鏡膠合層光束的多次反射對光強的影響以及結構誤差和使用調整誤差對棱鏡光強分佈的影響。
  10. Adopt market segmentation, market positioning, and market combination in anglicizing the current situation of passenger transportation in southwest china, take, its technologic economic characteristic and the resources of the form of railway passenger transportation into consideration in developing and selling new products, we can create the best market value and economic efficiency. in accordance with basic theories of transportation system and modern marketing, the thesis takes the means of marketing segmentation and balance of supply and distribution, makes a thorough analysis on influential factors of passenger transportation, requirement, structure, transportation net, etc. dealing with the requirements and supplies of passenger transportation market of southwest china, the thesis tries to advance a new market countermove including the overall strategy, product development, brand design, sale ' s organizations, on the basis of present situation of leaving time, passenger mobility, average distance, geographical position and passenger composition

    本文按照交通運系統分析和現代市場營銷學的基本理論,運用供求分析和市場細分的方法,從影響因素、需求量、客運結構、運網各方面對西南地區客運市場需求和供給狀況進行分析和研究,並在此基礎上按照、客流性質、行程、地理位置、旅客成分等對西南鐵路客運市場進行市場細分和目標市場定位,提了「以能保長、以速引中、以價爭短、以質創新」的營銷總體戰略和產品開發、價格管理、品牌設計、銷售組織等一系列營銷對策。
  11. When the data of logistics in current process are used for input of simulating logistics in future 100 % continuous casting process, supply of hot metal from iron - making process may not satisfy the needs of 100 % continuous casting on raw materials. because planning scheme in continuous casting process depends greatly on smelting scheme in convertor vessel, it is important for operator to balance raw materials supply, smelting and casting in order to realize the scheme of 100 % continuous casting. when some equipment are work abnormally, mixer of hot metal and lf furnace can be used for logistics buffer

    用攀鋼煉鋼生產數據對模擬軟體系統進行的測試和模擬研究結果表明:模擬系統的隨機數發生演算法可以實現對作業的依分佈隨機抽取;在相似的入條件下,模擬結果與實際生產物流的分佈規律基本吻合,達到了模擬軟體設計的預期目標;若以攀鋼提釩煉鋼廠現工藝的鐵水入作為全連鑄后的入條件,則現工藝的物料供應能力可能難以滿足全連鑄生產的要求;連鑄機的連澆計劃對轉爐爐次計劃的編制有很高的要求,合理安排來料、煉鋼與澆鑄三者的物流衡關系將是保證全連鑄作業的重要條件;當現設備異常情況,可以利用混鐵爐與lf爐站前等待作為物流緩沖池,通過延長系統的物流來緩解因設備檢修和故障等擾動所造成的影響,確保生產的順利進行。
  12. The twelve kinds of modes and equivalent circuits within one high frequency switching period are carefully analyses. by using the state - space averaging approach, the converter ' s averaging model is presented, the output characteristic curve and design criterion of key circuit parameters such as output voltage, filtering inductance, common conduction time, uni - polarity spwm waveform ' s duty cycle etc are given

    詳細分析了這類變換器在一個高頻開關周期內的十二個工作模式及其等效電路。採用狀態空法建立了變換器模型,獲得了電壓、濾波電感電流、共同導通、單極性spwm波占空比等關鍵電路參數的設計準則和變換器的外特性曲線。
  13. The surgical and administrative procedures for which trends are now being plotted and analyzed cover an extremely wide range, including timing of surgery, re - operation for bleeding, reduction in blood transfusion and mean 24 - hour blood loss

    外科審核數據庫所覆蓋的手術及護理操作范圍相當廣泛,包括手術、手術后再血的風險、血數量減少和24小失血量等。
  14. In this paper, firstly, monolithic materials cosb3 and bi2te3 were prepared by sparkle plasma sintering ( sps ) respectively, and at the same time the microstructure of cosb3 and bi2te3 were studied by sem ; the seebeck coefficients and electrical conductivities of monolithic materials were measured by standard - four - probe method ( ulvac zem - 700 ) in a he atmosphere simultaneously, and their thermal conductivities were investigated by laser flash method ( tc - 7000 ) in vacuum. secondly, the junction temperature of graded bi2te3 / cosb3 thermoelectric materials was optimized based on the thermoelectric transport properties of monolithic materials, also when graded materials were used in the temperature difference ranging from 300k to 800k, the length ratio of monolithic materials cosb3 and bi2te3 were optimized in theory. thirdly, graded bi2te3 / cosb3 thermoelectric materials were prepared by two - step sps sintering, and the relationship between its average seebeck coefficients and temperature were calculated by theory mo del

    質材料cosb _ 3和bi _ 2te _ 3的電導率和seebeck系數採用標準四端子法于he氣氛下在zem - 1上同進行測量;熱導率採用激光微擾法( tc - 7000 )于真空狀態下進行測量;其次,在對質材料cosb _ 3和bi _ 2te _ 3熱電傳特性研究的基礎上,對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的界面溫度進行了優化;為了使結構梯度bi _ 2te _ 3 cosb _ 3熱電材料在300k至800k的溫度范圍內具有最佳的熱電性能,本研究同對梯度結構熱電材料當中質材料cosb _ 3和bi _ 2te _ 3材料的長度進行了優化設計;第三,通過兩步放電等離子燒結的方法制備了結構梯度bi _ 2te _ 3 cosb _ 3熱電材料;採用理論計算的方法研究了梯度結構熱電材料seebeck系數和溫度的關系;同為了驗證設計的結果,本論文對結構梯度bi _ 2te _ 3 cosb _ 3熱電材料的開路電壓和熱端溫度之的關系及梯度材料在300k至800k的溫度范圍內使用的功率進行了相應的研究。
  15. On the basis of research results of the existing experts and scholars especially the theory put forward by professor xu zhenliang ( my tutor ) that predicts the velocity profiles and friction loss of settling slurry when it flows in horizontal pipe and upward - inclined - pipe, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission process between water and solid. then the calculation formulae for fricton loss of downward inclined and vertical pipe are deprived

    本文在現有專家學者的研究成果特別是許振良教授(導師)提的預測非質流在水管道及向上傾斜管道流動的速度分佈及摩阻損失的理論的基礎上,從動量守恆的角度建立了清水速度、固體顆粒速度和漿體速度之的關系,進而推導了向下傾斜及垂直管道沉降性漿體送的摩阻損失的計算公式。
  16. The paper run 10 kinds of to combine projects of the port may take place now or further, and get the port tugboat working characteristic values, for example, the waiting time of ships, the max long of ships team, then analysis the output of simulation by and do some performance evaluation, finally, so as to calculate the best project of marshaling for tugboat to run normally in port, this paper carry through fuzzy - optimization by the method of fuzzy - synthetic judge with multi objective

    針對港口拖輪目前和未來可能發生配置的10種組合方案進行模擬運行,得不同拖輪配置方案下的港口拖輪運行的特徵值(如船舶等待、船舶最大等待隊長) ,然後利用批值法對模擬結果進行模擬分析和性能評價,並利用多目標模糊綜合評判方法對模擬運行結果進行了模糊評判,計算能保證港口作業正常運作的最佳拖輪配置方案。
  17. Using the method of imbedded markov chain, probability generating funtion and laplace transform, we can obtain the mean queue length, mean waiting time for each queue and generalize this conclusion to multi - priority queues. this chapter includes four sections. in the first section, the detailed description of the system is given, and the set of stationary equations of the imbedded markov chain is obtained

    第二章考慮的是一個三個隊入的帶優先權非搶先的m m 1系統,這是一個連續的排隊系統,採用嵌入馬爾可夫鏈的方法,以母函數和拉普拉斯變換為工具求了三個隊的隊長和等待,並給了此結論推廣到n個隊的根據和方法。
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