運移速率 的英文怎麼說

中文拼音 [yùnyísùlǜ]
運移速率 英文
migration rate
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 速率 : speed; rate; tempo
  1. Chapter five describe the real example of the project of dwdm. related with the project of the east - north loop of fiber transmission system, research the layout of the network, analysis the performance of the transmission and bring out the frondose project of construction, inculde the number of the wave length, the speed of the transmission, the style of he fiber etc. chapter six is the summary of the article

    第五章是dwdm技術在通信工程建設中的實際應用，本論文以作者參與的一項具體的工程設計? ?中國移動集團公司建設的東北環光纜傳輸工程中dwdm技術的運用為實例，根據預測業務發展的要求，從傳輸性能的分析，到網路的規劃，技術上的實現，提出了其具體的建設方案，包括波長數目、傳輸速率、光纖類型、光復用段、設備制式等。
  2. Abstract : a new algorithm applied to the fixed channel assignment in the cellular pattern is proposed. it is based on the theory of evolutionary algorithm. it uses the concept of multiple reuse plan ( mrp ) and solve the problem of large scale through blocking algorithm, and it is a fast 、 efficient and parallel searching method. it has been used in frequency plan system of beijing university of posts and telecommunications. it has been used in several plan project for some city, and been adopted because of its good performance

    文摘:提出了一種新的用於蜂窩移動通信中小區規劃的固定頻率分配演算法.它基於遺傳演算法的基本理論，運用多層頻率復用的概念和分塊演算法解決了大規模區域的頻率規劃問題，是一種快速、高效的并行式搜索的頻率分配演算法.該演算法已用於北京郵電大學的頻率規劃軟體系統中，並用它為幾個市區作過規劃，效果滿足要求，且已被采納
  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，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、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，以空間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平均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時，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，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 （最大輸出功率為1 . 926w ）時，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. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  5. Based on the analysis of the kinetic track of the scallion during planting, basic relationships ' among the characteristic parameters of the transplanter with two flexible metal disks, including the velocity of the transplanter, the rate of transplanting, the spacing between seedlings, the angle of releasing seedlings, the diameter and length of seedlings, have been set up in this paper, and then a mathematic model of optimum design for the transplanter with the final planting angle of seedlings ( y = 90 ) has been formulated and solved with good results. according to the optimum solutions, a new type of transplanter with two flexible metal disks has been developed and the field tests of the transplanter have been conducted

    為了實現大蔥機械化移栽，作者分析了國內各種移栽機的結構特點，確定了以撓性圓盤式栽植器為研究對象，在分析撓性圓盤式栽植器的運動軌跡和特徵參數的基礎上，完整地確立了撓性圓盤式移栽機的基本參數：栽植頻率、栽植株距、機組前進速度、輸送帶上秧槽的間距、撓性圓盤半徑、撓性圓盤的轉速、夾苗株數以及傳動比之間的相互關系，並建立了以蔥苗栽植傾角= 90為目標的優化設計數學模型，提出了撓性圓盤式大蔥移栽機的優化設計方法。
  6. Main content in simulation is the spatio - temporal evolution of the set of descriptive variables characterizing tectonic mineralization state under coupling of various processes as following : ( 1 ) variables related to forming and property of ore - forming fluid, such as dissolution rate of minerals ( include metal minerals ) in rock, concentration and saturation of aqueous species in fluid, temperature, pressure, and ionic strength etc. ; ( 2 ) variables related to structural deformation and fluid flow, such as stress, deformation rate, fracture network, porosity, fracture permeability ; ( 3 ) variables related to precipitation and mineralization, such as nucleation rate of gangue and metal minerals, accumulation precipitation of various minerals, etc. ; ( 4 ) spatio - temporal coupling relation of various variables above, such as the coupling relationship between spatio - temporal evolution of fracture permeability and flow and focus of fluid and ore - forming

    模擬的主要內容是在各種過程耦合作用下，以下描述構造成礦體系的主要變量的時空演化：與成礦流體的形成和性質有關的變量，如地層中礦物（包括成礦物質）的溶解速率、流體中各組分的濃度與飽和度、流體溫度、壓力、離子強度等；與構造變形和流體運移有關的各變量，如應力與變形速率、巖石孔隙度、構造（斷裂）滲透率等；與沉澱成礦有關的變量，如礦物（金屬礦物和脈石礦物）的成核速率、各礦物的沉澱量等；上述各有關變量間的時空耦合關系，如斷裂滲透率時空演化與流體流動、匯聚和成礦的耦合關系等。
  7. Comprehensively discuss the issues in application, adaptive condition and performance, propose a fast arithmetic of forward modeling and depth migration in common shot gathers with one - way acoustic wave equation based on vrselrf, and verify the arithmetic by numerical simulation. concisely discuss the cause of the creation of evanescence and the problem of lateral amplitude discontinuity result from it. fourthly, use the reflectivity model, computed to describe the fracture model, with the formula of computation reflectivity based on elastic - acoustic approximation, and the wavelet model computed by the method, wavelet creation with fourier transform, we proposed, in conjunction with vrselrf wavefield extrapolation operator

    第三，將頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算元（ vrselrf ）應用於疊前與疊后正演模擬、疊前與疊后深度偏移，對演算法應用中應注意的問題、適用范圍、性能等作了較為全面的論述；提出了基於vrselrf的單程聲波方程共炮記錄正演模擬和深度偏移快速演算法，並通過數值模擬試驗對演算法進行了驗證；簡要地討論了倏逝波的產生原因及其帶來的橫向振幅不連續性問題。
  8. The paper concentrates on seismic wave - field forward modeling and migration for the fractured reservoir. it researches the wavefield extrapolation operator for lateral variation of velocity, design four theoretical models and seven practical models with fracture and cavity. base on the progenitor, in the frequency - wavenumber domain with the pspi wavefield extrapolation operator and arithmetic of forward modeling and migration that applied lateral variation of velocity which is strong, the paper obtains the result of numerical simulation and the wavefield characteristic by the way of the forward modeling and depth migration of poststack seismic wavefield

    本文圍繞縫洞儲層地震波場正演與偏移問題，研究了適用於橫向變速波場延拓運算元，建立了四個理論的縫洞模型和七個實際的縫洞模型，在總結、分析前人的研究成果的基礎上，利用適合橫向速度劇烈變化的相移加插值的波場延拓運算元，在頻率?波數域對上述的地質模型進行正演、偏移處理，最後得到了縫洞儲層地震波場的一些特徵。
  9. A study on the proposed scanlan linearity has discovered that if the self - excited loads and movement of the model and velocity constitute a linear relationship, and the model vibration accounts for a sine function of the frequency, the rate of the high - order harmonic waves should be quite small

    考查了scanlan的線性假定：如果自激力與模型運動的位移、速度成線性關系，模型振動是某一頻率的正弦函數，那麼相應的自激力也應是這一頻率的正弦函數，高次諧波的分量應極小。
  10. In the paper, based on the method of low pair replacing with high pair, the problem of cam design was transferred to that of linkage design. by means of rotary unit vectors, the equations of displacement, velocity and acceleration of the replacement mechanisms were developed. and then, the virtual linkage ' s length and direction were deduced

    論文基於高副低代原理，將平面凸輪機構設計與再現函數的平面連桿機構設計統一為同一種方法，運用圓向量函數建立代換機構的位移、速度、加速度矢量方程式，求取虛擬連桿桿長和方向，由此展開凸輪理論廓線、實際廓線、曲率半徑和壓力角的求解，並得出用圓形刀具加工凸輪時刀具中心的軌跡方程。
  11. Based on the logging of the oil wells and water wells, the moving velocity of saline water in the herizontal direction was determined with a mathematical model to trace the particle on the fringe of saline water

    依據油井和水井的測井曲線，平面運移特徵通過模型進行鹹水體邊緣質點追蹤，以確定不同地段鹹水體平面運移速率。
  12. The moving velocity in the vetical direction of the saline water was determined by comparison of buried depth saline water in observation wells at different period with distrabution of dring wells

    垂向運移特徵系根據油田勘探開發過程中的鉆孔分佈特點，通過對各地區，不同時間段鉆孔測井資料中鹹水體埋深變化比較，確定不同地區鹹水體的垂向運移速率。
  13. Send the real - time position, velocity of the moving object. received by gps oem caxd, associaied with the status information of the vehicle devices, to the monitoring centef, by way of the mobile conununication network. the monitoring system, based on some gis software, displays the tracks of the mobile objects on the eiectronic map, and users could supervise and query their iaterested parameters such as the location or velocity of the vehicle, the general information of vehicles, as so on, so that provide bases for vehicle management, improve the efficiency, or assure vehicles against accidents

    車輛監控系統是its的重要組成部分之一，它將全球衛星定位技術、地理信息技術（ gis ）和現代通信技術結合在一起，通過將裝有gps接收機的移動目標的動態位置、速度、狀態等信息，實時地通過無線通訊鏈路傳送至監控中心，在具有強大的地理信息查詢功能的電子地圖上進行移動目標運動軌跡的顯示，並可以對目標的準確位置、速度、運動方向、車輛狀態等用戶感興趣的參數進行監控和查詢，為調度管理提供可視化依據，提高車輛的運營效率，確保車輛安全。
  14. Paleogeomorphology framework is controlled by regional tectonic movement change, and it has impact on sedimentary ratio change, sedimentary center transference, and sediment preservation, at the same time, paleogeomorphology framework restricts the types of facies and plane distribution of facies zone

    古地貌格局的變化受控于區域構造運動變化，影響著沉積速率變化、沉積中心遷移及沉積物保存，制約著塔中地區的沉積相類型及沉積相帶的平面展布。
  15. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  16. This model has the ability of analyzing the effects of some key system parameters, such as the signal correlation coefficient, speed of the mobile, and the update rate of combining weights, on the system performance

    研究了信號相關系數、移動臺運動速度、通道衰落率，以及合併權值更新速度對合併性能的影響。
  17. In this paper, we analyze the reason that it is difficult to process the doppler frequency shift signal generated by low velocity moving target and discuss the kalmus filter performances for low velocity moving target detection

    本文分析了低速目標的多普勒頻移信號難以處理的原因，並討論了kalmus濾波器（零速率波器）對低速運動目標的檢測性能。
  18. In chapter four this paper proposes a kind of imm algorithm which uses many kinds of models and does some simulations ; a kind of imm algorithm based on time - varying markov transition probabilities matrix is introduced and simulated ; based on the two algorithms above, a new modified imm algorithm which merges many kinds of models and time - varying

    在第四章中本文提出了一種使用多種機動運動模型交互的imm演算法並作了模擬;介紹了一種基於時變馬爾可夫轉移概率矩陣的imm演算法並作了模擬;在此基礎上提出了一種改進的imm演算法，演算法結合使用多種運動模型及時變馬爾可夫轉移概率矩陣，模擬結果表明其獲得了對高速高機動目標較好的跟蹤性能。
  19. The paper focuses on this subject. this paper researches the optimization of job scheduling and running efficiency in the special multi - cluster environment for cfd, and discusses the techniques of job scheduling, job migration, file system backup and restoration as well as web - based job submitting

    本文針對我單位的專用於計算流體力學（ cfd ）批量作業的計算集群組環境下作業調度和運行效率優化問題開展研究，主要研究內容包括專用計算集群組中作業調度技術、作業遷移技術、系統快速備份和恢復技術以及作業提交管理技術四個方面。
  20. So the third generation mobile communication system ( 3g ) appeared with high - speed, big capacity and integrated service, and the standards for 3g have been established

    高速率、大容量、全方位的第三代移動通信系統（ 3g ）應運而生，並制定了相應的3g標準。
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