計時不變量 的英文怎麼說

中文拼音 [jìshíbùbiànliáng]
計時不變量 英文
chronometric invariant
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 時 : 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...
  • 不 : 名詞[書面語] （剁物所用的木墩） a block of wood
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 計時 : reckon by time; timing; chronography
  1. This thesis analyzes the mutual, complemental and fit relationship between technology 、 the corporate supply chain and organizational structure of a corporation in a comparably systematic and complete way based on the mode of integrated management by reviewing, analyzing and summarizing relative references. based on practical definitions of the concepts and variables appearing in the analysis of the relationship, investigative papers have been designed and possible development situations of technology 、 the corporate supply chain and organizational structure of different enterprises have been described in the way of determining the nature. by the statistics and analyses of the investigative papers, relativity, with the method of multi - linearity - regress analysis, and by investigating enterprises " performance in different dimensions and establishing a math mode of the relationship between

    本文在企業一體化管理模式的基礎上，通過文獻資料法對相關文獻進行回顧和總結分析，較系統和全面地論述了企業技術與組織結構、組織結構和供應鏈之間存在的互動、互補和匹配關系，對這一關系中的概念和變量進行操作化定義，設計出三者對應的指標體系的調查問卷，定性描述在不同企業的技術、組織結構和供應鏈的發展狀況，通過對調查所得問卷進行統計分析，運用相關性分析和多元線性回歸分析等方法，實證調查企業在不同維度狀態下的績效，建立企業技術、組織結構、供應鏈與企業的績效之間關系的數學模型，證明企業技術、組織結構、供應鏈和企業績效存在一定的相關性，企業技術、組織結構和供應鏈三者之間的匹配關系可以影響和預測企業的績效，只有當企業的各影響因素之間相互匹配的時候，企業整體運做的效率和效果將最好。
  2. Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping

    本文的主要內容如下： 1 ）對翅片管蒸發器結構特點進行分析，選取適當的微元控制體，就干、濕和霜工況下對每個微元分別進行傳熱傳質分析，基於經驗關系式確定霜的有關參數，對于霜工況下的霜生長建立模型，經適當假設，運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型，為系統模擬奠定基礎； 2 ）對蒸發在大擾動下的開、停機過程，運用動態集中參數模型進行分析和計算，為更好地描述製冷系統運行的全過程奠定基礎，同時也為製冷系統實現自動控制提供一定的理論基礎； 3 ）對蒸發器正常運行過程，運用動態分佈參數和參數間定量耦合的觀點來分析和計算，為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性； 4 ）編寫翅片管蒸發器動態特性模擬計算程序，可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場，實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。
  3. Considering the special structure of multi - ribbed slab, founding diphase body mechanical model of compound material, strengthening rib beam and rib pillar by equivalent volume ratio of concrete and slice brick, the paper drew elastic compution constant and shear constant. based on the things, the paper simplified isotropy compution model to wall, gave practical design formula of elastic mold and shear mold, provided necessary parameter for practical design formula of elastic rigidity. finally the calculating results agree well with the text results

    結合密肋復合墻板的特殊構造，建立墻板的復合材料二相體力學模型，按照混凝土與砌塊體積比不變原則對肋梁肋柱同時加強，得出墻板的彈性計算常數及剪切常數，在此基礎上，進一步將墻板簡化為各向同性的計算模型，給出墻板彈性模量及剪切模量實用計算公式，為密肋復合墻板的實用彈性剛度計算公式提供必要的參數。
  4. 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時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量來考察競爭對項目價值的影響，但沒有考慮企業間的相互博弈，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方法計算的兩企業在處于領導者和跟隨者兩種不同境況時的價值，並將企業間的相互博弈考慮在內，考察了可能的均衡狀態。
  5. By using both the prediction model from transportation ministry and the fhwa models, the prediction results were analyzed for high ways at different sections, different design speeds, detection points, traffic volumes, distances, heights, and at various other road conditions. the prediction results and the actual results were compared and the accuracy of prediction were assessed

    本文通過比較分析了fhwa預測模式和交通部預測模式在高速公路不同監測路段、設計時速、測點、車流量、距離、高差、地面狀況條件下的預測結果，並對預測結果和實測結果進行預測精度和變化趨勢的比較研究。
  6. But as a kind of mature management system, it has n ' t been applied successfully in most of chinese companies. the reasons of that include misunderstanding of science property of overall budget management 、 unfit budget management organization 、 lack of scientific management methods, and another important reason is that most of companies use the traditional building method of budget management system. the traditional building method based on the company ' s existing department functions, keeping the existing management process and work process fixedness, and expressing the department ' s work plan in quantity or currency form as their budget

    然而全面預算管理作為一項比較成熟的管理體系，在我國大部分企業卻並沒有得到很好的實施，這其中固然有對全面預算管理科學性認識不足、預算編制工作的組織不到位、缺乏科學的預算管理手段和控制手段等原因外，另一個重要原因是大部分企業在構建全面預算管理體系時使用的是傳統的構建方法，即基於企業現有的部門職能劃分而進行的，在保持作業流程和管理流程不變的情況下，將部門工作計劃以貨幣或數量的方式表示出來，即成為公司預算。
  7. However, when controlling for demographic and clinical care variables, year of birth was no longer significantly associated with age at death ( hr 1. 0, 95 % ci 0. 6 ? 1. 8, p = 0. 9 ), whereas ventilation for more than 16 h / d, use of a mechanical insufflation ? exsufflation device, and gastrostomy tube feeding showed a significant effect in reducing the risk of death

    雖然控制人口統計學和臨床護理變量，出生年和死亡年齡不再有顯著性相關，但每天使用吸入排出設備通氣超過16小時、胃造瘺喂養顯著降低死亡風險。
  8. The effect of interaction between disease and time was statistically significant on qol by multi - variate test of repetitive measure anova

    多變量重復測量方差分析結果顯示，疾病因素（不同臨床表現患者）與時間因素的交互作用對生命質量的影響有統計學意義。
  9. If you a have a column that has a skewed data distribution, a histogram on it and if you are using bind variables against that column you may suffer from the same problem

    大致意思是，綁定變量的窺視，在你的某欄位有不均衡的數據分佈，又有柱狀圖的情況下，首次執行的語句生成了對其有利的執行計劃，它會將計劃帶個所有後面的語句，不管後面語句的執行時間會花費多久
  10. Second, based on the characteristic of the receiving water studied in this paper, develope a dynamic one - dimension water quality model for nanbei river in zhangcha town of foshan city, and develope a program of water quality model based fortran powerstation. and then, calculate the concentration of codcr in receiving water using the simulation results of swmm and analyze the effect on the environment of receiving water by intercepting ratio. at last, the construction investment and operational and administrative expenses of intercepting trunk sewer 、 pumping station and sewage farm is calculated and the relation between them is discussed

    其次，本文根據研究區受納水體的特點，建立了佛山市張槎鎮南北大涌的一維非穩態水質模型，相應地開發了基於fortranpowerstation平臺的水質模型計算程序，並在swmm模型模擬結果的基礎上，利用本文編制的水質模型程序計算了不同截流倍數時南北大涌codcr濃度的時空變化過程，分析了截流倍數對河涌水環境質量的影響。
  11. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  12. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  13. Thirdly, in the environment of labview, several kinds of vis used for sensor signal test are designed, including wave generation, time domain measurement, filter disposal, frequency analysis, etc. after that, wavelet analysis in the application of one - dimensional signal de - noise is studied, threshold and translation invariance wavelet de - noise are realized, and wavelet de - noise vi for zero drift signal of the fiber optic gyro in fcs is designed using labview

    接著，在labview環境下開發了多種用於傳感器信號測試的虛擬儀器，具有波形發生、時域測量、濾波處理、頻譜分析等多種功能。隨后，研究了小波分析在一維信號消噪中的應用，實現了labview環境下的閾值法和平移不變量法小波消噪，並利用labview設計了飛控系統中光纖陀螺零漂信號的小波消噪儀。
  14. The improvements in the iaga contained adding strengthen operator, improving evaluation index of premature, etc. multi - phase homing project, making use of the flight properties of parafoil system in gliding and turning, was simple in control and facile in practice. based on frenet frame, the linear time - variable error equations of parafoil system were built

    基於frenet坐標系推導和建立了翼傘系統線性時不變的誤差方程，並運用「投影點」的思想來獲得frenet坐標系下偏差量的解析近似表達式，從而設計了用於翼傘系統航跡跟蹤的傳統pd控制器和增益調節型模糊pd控制器。
  15. If an instance of the physical system could be created and an appropriate measurement carried out, the knot invariant would be approximately computed automatically instead of via an inconveniently long calculation on a conventional computer

    如果我們可以創造物理系統的某個狀況，同時對它做適當的測量，就可以約略自動計算出結不變量，不然我們就得透過傳統電腦執行冗長又不方便的計算。
  16. First, we apply the method of galerkin and the fixed theorem of the larey - schauder to prove the existence of the approximate solution. next, we give the priori estimates of the higher order derivatives ( with respect to spa - tial variable and time variable ) of the approximate solution

    首先應用galerkin方法和larey一schaude :不動點定理證明近似解的存在性，然後進行近似解的高階導數的先驗估計（關于空間變量和時間變量） 。
  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-判決反饋聯合均衡系統結構，並從理論推導得出了對應的最大互信息量最優化設計結果；首次提出了時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量進行盲信號處理；基於離散正則模型對時變色散通道進行了系統的盲均衡和盲辨識方法研究，提出了對時不變通道矩陣的子空間盲辨識演算法；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法；提出了基於離散正則模型的直接盲均衡演算法；提出了基於特徵恢復思想的神經網路直接自適應盲均衡演算法。
  18. 3. according to the spline theory we presented a shape matching algorithm based on the similarity matrix of curvature and torsion values of 3d curve, we reduced the 3 - d curve matching task into a 1 - d string matching problem, which makes the matching more veracious and can be used on the 2d or 3d curve matching. in order to reduce the cost of matching, we used multiple scale technique

    依據樣條曲線的基本理論，研究了基於b樣條的輪廓曲線的匹配方法，給出了由輪廓曲線不變量曲率和撓率構造的相似不變量的選取以及基於相似矩陣的匹配演算法，並對該演算法的時間復雜度作了估計，同時，將多尺度技術引入到物體輪廓的匹配問題中。
  19. The concept of otn node transmission model is introduced. the requirement of otn node transmission model is discussed. this model uses the frequency domain transmission matrix to express the otn node transport characteristics. the simplified model based on wdm and im - dd systems, the relationship between node characteristics and model parameters and measurement of model parameters are also discussed. at last a briefly discussion on how to develop the otn simulation and cad software based on our model is demonstrated

    在線性時不變的假設下，提出利用頻域傳輸矩陣來表示節點傳輸特性的方法給出了oxc和oadm兩類光傳送網節點的統一的表示根據目前通用的波分復用強度調制直接檢波系統的特點對復雜的頻域傳輸矩陣進行了簡化並對通常所關心的節點主要性能指標與模型參數的關系模型參數的測量和計算模型的設計與計算機模擬輔助設計軟體開發的銜接問題進行了討論。
  20. At the same time, according to the excellent capability of ip curves, we study fitting and description of objects, determination of invariants of objects, symmetry detection and recognition of objects based on ip curves. in all, the main contributions in the dissertation are as follows : ( 1 ) a method of determining automatically the scale of the multiscale edge detection is proposed based on the variant distance of the variogram function, and a method of segmenting texture images is also presented. the variograin values are taken as stochastic and structural properties of texture images and variant distance is taken as the size of image window

    同時，基於隱含多項式曲線良好的物體描述與識別能力，對物體邊界輪廓的擬合、描述、不變量特徵的提取、識別以及物體對稱性檢測作了系統的研究，主要成果及創新之處有： （ 1 ）基於變差函數的變程，提出了圖像多尺度邊緣檢測中尺度大小的自動確定方法；將變差函數的變差值作為紋理的統計和結構特徵，依據變程確定窗口大小，給出一種新的紋理圖像的分割方法。
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