方法時間衡量 的英文怎麼說

中文拼音 [fāngshíjiānhéngliáng]
方法時間衡量 英文
methods-time-measurement
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 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名詞1 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 方法 : method; means; way; technique; process; procedure; plan; device; recipe; fashion; tool; maneuver
  • 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...
  • 衡量 : weigh; measure; judge; measurement; scalage
  1. And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the

    研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來超車過程的實驗案,並通過後期數據處理得到了超車過程中兩個重要的可接受隙參數-可超車車頭距和可回車車頭距的臨界隙值,為定性和定分析雙車道公路通行能力提供有力的數據支持;同,還提出了觀測超車率的實驗以及測加速度干擾的實驗案,統一了計算加速度干擾的統計隔,為雙車道公路的服務水平化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查和模擬程序中模型參數標定和驗證的數據採集
  2. But my focus was specially laid on the decision - making of investment under uncertainty and with competition, i first. extend the basic model of dixit & pindyck ' s by allowing the relevant parameter to be a random variable, then proposed an numerical example to show how to solve this model, i gave the algorithm and did the comparative static analysis, finally i developed a model of duopoly under uncertainty, considering the competition between the firms explicitly, using roa, i calculated the two firm ' s values respectively when they take different roles - to be leader or follower, and then checked the possible equilibriums

    本文的重點是考察在同存在不確定性和競爭的情況下,如何用實物期權的理論估算投資項目的價值,為此,文中發展了兩個模型,第一個模型是對dixit & pindyck的模型的擴展,它通過一個相關的隨機變來考察競爭對項目價值的影響,但沒有考慮企業的相互博弈,文中給出了一個例子詳細地說明了該模型的求解並做了敏感性分析;第二個模型是一個不確定情況下的雙寡頭模型,文中給出了用實物期權計算的兩企業在處于領導者和跟隨者兩種不同境況的價值,並將企業的相互博弈考慮在內,考察了可能的均狀態。
  3. So we consider five financial indexes includes stock b / p, e / p, current stock size, current stock stru and financial levge by the international tradition, then descriptive statistical test method and cross section statistical test method proved that b / p and current stock size have marked effect on the securities yield besides coefficient b. in the third chapter, the article fut forward a risk factor model, estimates yield sequences of every risk factor by weight regression, and then estimates each risk factor coefficient of different stock by time sequence regression, at last we can reckon the portfolio risk o2p and yield rp which consists n stocks

    結合國際慣例,文章考慮了股票的凈值市價比( b p ) ,市盈率倒數( e p ) ,流通規模( size ) ,流通比例( stru )和財務杠桿( levge )等五個財務指標,應用描述性統計檢驗和橫截面統計檢驗等多種,結果表明,除系數以外,凈值市價比( b p )和流通規模( size )對證券收益率部有重要的影響。在論文的第三章,提出了一個基於多因素的風險因子模型,並用加權回歸和序列回歸等估計出了不同證券的各風險因子系數(類似於單指數模型中的系數) ,據此,即可出一個包括n只股票的組合的風險_ p ~ 2和收益率r _ p 。
  4. 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

    本文提出一種適用於基於完全可重排無阻塞benes拓撲構建的多平面多路徑(多級)超大容交換結構的兩級負載均策略,通過在輸入流管理器和benes交換平面內部實施合理而高效的隊列組織調度,有效實現了基於不同目的地址的ip流在兩個層次上的負載均,較好彌補了ciscocrs - 1系統在平面選擇和中級選擇所採用的簡單隨機或輪循案的不足。
  5. Early this year, the hko installed a high accuracy time transfer system which employed the global positioning system common - view method to provide time information of hko s atomic clock to bipm for utc determination

    香港天文臺於今年初安裝了一套高準確度授系統,並利用全球定位系統共視( globalpositioningsystemcommon - viewmethod ) ,向國際度局提供天文臺的原子鐘數據,參與訂定協調世界
  6. Fist ly, use mass equivalent method to predigest the original rotor system. secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi - tray rotor bearing system by matlab language. thirdly. finish program the unbalance response using riccati - transfer matrix arithmetic and finity buck arithmetic. fourthly, answer to the high vibration of uncontroled system when cross the critical speed, come out to adopt changing clearance damper bearing to control the viberation

    本文對多柔盤轉子-支承系統的振動現象做了以下初步探索:用質離散化把原轉子系統簡化;採用matlab語言編制了對傳遞矩陣計算多柔盤轉子-支承系統的臨界轉速;用matlab語言對riccati傳遞矩陣和有限元編制了程序計算系統的不平響應;並針對其過臨界轉速振動較大的現象,提出採用變隙控制油膜剛度和阻尼,從而使原系統的在特定轉速(臨界轉速)的一段范圍內不平響應減小;並從被動控制與主動控制兩面進行數值模擬,取的了較好的控制效果。
  7. At last, based on the feature integrating traffic simulation with traffic assignment, the paper compares the link volume by using different traffic assignment models, and analyzes the influence of user equilibrium and system ' s optimal assignments on travel time, travel speed as well as traffic volume on links. further, the paper introduces the study on the influence of traffic composition on road link dynamics and the traffic simulation application in formulating dynamic traffic assignment models

    最後利用urbansim模型中交通模擬與交通分配相結合的特點,對比研究不同的交通分配在模擬模擬中路段產生的交通,分析了交通分配中用戶平和系統最優原理對路段行駛、行駛車速的影響,並進一步研究了交通構成對路段動態特徵指標的影響,以及利用交通模擬系統嘗試在動態交通分配中進行應用研究。
  8. So this paper tries to solve these problems through the following work : first, we select some index to valuate the close - end funds, including income, stability, risk in falling, stocks selecting ability and tuning ability, based on overseas funds valuation methods and domestic market condition ; second, we analyze the stability of all index and form two styles index, which are f and other bad stability index ; then, we form the valuation system, including two - layers index, which are p and factor score ; last, we use this system to analyze the close - end funds which came into existence before 2000 and get the final comparative result. the main intention of this paper is to create the system of valuating close - end funds in our country, which is comprehensive and objective. in my valuation system involving the period from 2000 to 2003, the funds as a whole performs inferior to the stock index

    首先,對國外理論界經典成型的、以及前沿的基金評價指標和評價進行了詳細的分析,並結合我國的基金市場狀況,選取了可以基金收益、穩定性、下跌風險、股票選擇能力、機選擇能力等化指標;其次,根據我國基金分析的需要,採用了諸如基金交易價格、換手率等二級市場表現指標;然後,對這些指標進行了延續性分析,檢測這些指標在運用到我國基金市場能否有效預測基金未來表現,從而形成了兩類指標:延續性很好的s _ p和延續性不好的其它所有指標;再次,在以上工作的基礎上形成了由兩個層面的指標構成的我國證券投資基金評價體系: s _ p和因子分析中綜合因子得分值;最後,選取了我國2000年1月1日前成立的23隻封閉式基金作為樣本,並同採用上證a股與深成a股兩個基準組合進行了3年樣本期的實證分析,得出了最終的比較性評價結果。
  9. Circulation for transferring record then, based on the above limitations, this paper proposes a dynamic load balancing method. through the simulation of the change over time of the traffic of customer data, it draws a comparison in the deviation of the change over time of the traffic in a certain sdm ( service data module ) with respect to that of the average traffic of all modules between old method and new method. the load imbalance ratio, the number of records transferred per unit time and the reduction of number of modules are evaluated

    本論文針對上述兩個問題,提出一種改進的負載平,通過對用戶數據流變化的模擬,比較了記錄遷移改進前後每一模塊的流變化與所有模塊平均流變化的趨近程度,同還對幾個重要參數:模塊數縮減率、負載不平比和單位內記錄遷移數,它們之的關系進行討論,得出改進后的記錄遷移能夠達到動態平負載的效果。
  10. The development and research of hrv theory are capable to provide essential dada for hr utility and hr investment, offer a method for the economy growth calculation driven by intelligence in new economy era, lesson the relative research between china and developed countries

    論文首先研究並指出現有人力資源價值計理論和存在的不足。在以美國為代表的新經濟環境中,價值增長的實現主要依賴于智力勞動,而智力勞動是難以用勞動和勞動強度來的。
  11. Based on the statistic materials of ports and shipping lines and the advice of specialists, this article analyzed the development course and status of passenger ocean transport on china - korea course, generalized the current problems. taking the port of weihai, qingdao and renchuan for example, using time series method, the author forecasted the volume of passenger on china - korea course in the next 10 years, analyzed the supply capacity and structure of passenger transport fleet, studied the constitute of the fleet, and made balance program for the passenger transport capacity on china - korea course, put forward tariff policy and competition mode of shipping companies

    本文在調查收集港航各面的統計資料,聽取有關專家的意見的基礎上,分析了中韓航線海上客運的發展歷程和現狀,總結了現在存在的問題;運用序列預測,選取威海、青島和仁川為例,對山東半島至韓國的客滾運輸航線的客、貨運輸進行了今後10年該航線的客流預測;分析了客運船隊運力供給及其結構,研究了當前船隊構成存在的問題,作出了中韓航線客運運力的平規劃;提出航運公司的運價策略,運輸競爭模式。
  12. Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft

    文摘:依據轉子動力學理論分析了柔性轉子彎曲響應的特徵,在此基礎上討論了它與不平響應及機械與電氣跳動的關系,並利用轉子在不同起車情況下的振動信息,有效地分離了彎曲響應和不平響應,求解出彎曲與不平的比值.提出了轉子在恆定轉速下,基於二維全息譜技術的熱彎曲故障識別.研究結果表明,當彎曲相位穩定而其幅值變化,轉子響應的二維全息譜初相點的切線是相互平行的,由此可以有效地實現轉子熱彎曲故障的識別與診斷
  13. This article first analyzes a paradoxical phenomenon that is predominant in campus lan settings where there is a large amount of idle cpu cycles available while at the same time the computing needs from many researchers ca n ' t be met. it proposes an idea of setting up a campus computing grid with a detailed plan for its implementation, discusses the challenges of upscaling a campus computing grid into an internet computing grid and suggests possible solutions. gram ( grid resource allocation manager ) of globus toolkit 3. 2 and relative technology on it is studied, and the solutions to extend gram to support task rescheduling and the cooperation type task are proposed. the design and implement of the gram client based on web that is the kernel part of the task anagement module are discussed, and the design of resource discovery module and task transfer module are gived

    本文首先分析了校園網環境中存在大計算資源閑置與科研人員科學計算需要得不到滿足之的矛盾,給出了建立校園計算網格的構想及具體的設計案,並提出了校園計算網格推廣到internet計算網格存在的問題及解決案;研究了globustoolkit3 . 2中的資源分配管理器gram及其相關技術,並給出了擴展gram對任務再調度和協作型任務支持的解決案;設計實現了校園計算網格中任務管理模塊的核心部分基於web的gram客戶端,並介紹了資源發現與任務遷移模塊的設計;然後在分析min - min調度演算基礎上,借鑒qosguidedmin - min演算的思想,並利用主機資源分類的思想,給出了在負載平跨度都有較大改善的balance - qosguidedmin - min演算模型的思想與實現;最後設計實現了調度演算驗證模塊,並在此模塊上對比了改進的演算balance - qosguidedmin - min與min - min演算的調度性能。
  14. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空同構關系提出一種新的頻率選擇性通道均,與傳統相比,該計算更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均應用價值; 2 、針對選擇性衰落通道:提出一種基於迫零均選擇性通道均,演算結構簡單; 3 、針對變色散通道:利用瞬態均值曲線提取通道變信息,對之ar建模,利用卡爾曼濾波器跟蹤變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空的同構關系以及多輸入多輸出系統的處理,提出了新的單輸入多輸出色散變通道均與識別演算,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算;研究變的多輸入多輸出系統的盲均與盲反卷積問題,給出一種變系統處理模型。
  15. After a logarithmic relationship model between urbanization level and total water utilization is established, the method to measure the wrcf on urbanization is also obtained

    在創立了都市化程度與總水利用之的對數關系后,同也得到了都市化水資源約束力的
  16. By analyzing the disadvantage of the parallel rendering load balancing methods based on geometry data analysis, a load balancing method based on time - space conversion is presented which uses time value as the measure of a rendering node ' s work load and uses space value to control the distribution of work load. a reasonable algorithm is used to convert time value to space value

    在分析已有的基於幾何數據分析的并行繪制負載平演算的基礎上,提出了浙江大學博士學位論文基於空轉換的負載平演算:以值直接作為繪制節點負載的度,以空值控制負載的分配,通過適當完成值到空值的轉換。
  17. Firstly, a new joint filterbank precoders and decision feedback equalizers structure is proposed, and the corresponding optimization result based on the maximal mutual information criterion is derived. secondly, the concept of dt canonical model is proposed, which is very suitable for the task of blind signal processing based on the second - order statistical of the observations. thirdly, the methods of blind equalization and identification of the tv dispersive channels are researched systematically based on the proposed dt canonical model, and a subspace blind identification algorithm of the time - invariant channel matrix is developed

    本文創新性的成果在於:提出了預編碼-判決反饋聯合均系統結構,並從理論推導得出了對應的最大互信息最優化設計結果;首次提出了變色散通道的離散正則模型概念,該模型適宜於利用觀察數據的二階統計進行盲信號處理;基於離散正則模型對變色散通道進行了系統的盲均和盲辨識研究,提出了對不變通道矩陣的子空盲辨識演算;針對誤差傳播效應問題,提出了可以消除誤差傳播效應的兩級盲辨識演算;提出了基於離散正則模型的直接盲均演算;提出了基於特徵恢復思想的神經網路直接自適應盲均演算
  18. This dissertation presented two new methods of robust adaptive track control for a class of mimo strong nonlinear system with external disturbance. one method makes use of taylor approximation principle to linearize the mimo strong nonlinear system at the ideal equilibrium point, meanwhile external disturbance is considered, and then designs two on - line neural network controller respectively, which can dynamically compensate the high order items of taylor series and the control signals at ideal equilibrium point under the drive of state error between linear and nonlinear system. a linear feedback controller obtained by pole assignment and two on - line neural network act on the practical mimo high nonlinear system together, guaranteeing the whole system robust stable and tracking the specified signal ; the other method designs three on - line neural networks for this class of system

    本文對於一類含有外部擾動的多輸入多輸出( mimo )強非線性系統,提出了兩種新的魯棒自適應跟蹤控制,第一種利用了taylor近似的原理,在考慮了外部擾動的情況下,將mimo強非線性系統在理想平點處線性化,分別設計了兩個在線神經網路控制器,在線性和非線性系統之的狀態誤差驅動下動態補償系統的taylor近似高階項及理想平點處的控制信號,滿足極點配置的線性反饋控制器和兩個在線神經網路聯合作用於實際的被控mimo強非線性系統,在保證整個系統魯棒穩定性的情況下,能夠跟蹤給定的指令信號;另一種是針對這類系統設計了3個在線神經網路,分別實抵消這類非線性系統中的非線性部分、與控制耦合的非線性項以及外部擾動,使得受控系統的輸出可以完全跟蹤給定輸入參考信號。
  19. Firstly, this paper introduces the asynchronous motor model, and compares it with the dc motor ’ s. then the paper studies the principle of vector control, and proposes an improved current model of rotor flux observer. this paper also studies the three - level inverter ’ s topology, working principle, the neutral - potential unbalance mechanism and its controlling strategy. the paper especially studies the svpwm in details. the interface between the vector control and the three - level inverter is studied in details, including the generation of reference voltage vector, its judging of the sector and triangular regions, and the working mechanism after it sent into three - level inverter. when synthesizing the reference voltage vector, select the vector which only includes p and o states as the starting vector, thus eliminate the vector shift problem when sector changes. this paper fully takes advantages of the powerful functions of matlab / simulink to set up the simulation model. this construction is very explicit. the simulation results verify the inverter voltage output is correct, the rotor flux is steady, the asynchronous motor ’ s dynamic and steady state performances and speed modulation are excellent

    本文首先介紹了異步電機的數學模型,在此基礎上將異步電機的數學模型與直流電機的數學模型進行了比較;然後介紹了矢控制的基本原理,採用了一種改進的轉子磁鏈電流型觀測模型;對三電平逆變器的電路拓撲、工作原理、中點電位不平的機理及控制進行了介紹,詳細分析了空脈寬調制策略。本文對異步電機的矢控制與三電平逆變器之的介面進行了詳細的研究,包括:參考電壓矢的形成、所落扇區與具體小三角形區域的判斷、送入逆變器之後的工作機理。在參考電壓矢的合成,選擇只包含p 、 o狀態的空電壓矢作為起始矢,解決了扇區切換的矢突變問題。
  20. This paper validate the good or the bad of reachability from three point of view : firstly, putting forward reachable time and giving method that resolve the reachable time, the reachable time validate qualitative parameters with quantitative data. secondly, validating the good or the bad of reachability from view reachability, putting forward validation method of view reachability : validation method of relatively position and validation method of field of view and giving compute aided validation flow ; thirdly, validating the good or bad of rachability from space reachability, researching compute aided validation rule and contents and flow of task space. lastly, taking the group of wheel of the main undercarriage for example, illuminating compute aided validation method

    針對可達性指標,本文從三個角度進行驗證:第一,提出可達的概念,給出可達的求解,從定的角度來定性指標;第二,從視覺可達的角度來評價可達性的好壞,提出視覺可達性的驗證:相對位置驗證和視野內切錐驗證,並給出計算機輔助驗證流程;第三,從作業空可達性的角度來評價可達性的好壞,研究了作業空計算機輔助驗證準則、內容和驗證流程。
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