load propagation 中文意思是什麼

load propagation 解釋
荷載的傳遞
  • load : n 1 裝載，擔子；負擔；工作（負荷）量。2 （車船等的）裝載量；一馱，一車，一飛機。3 【電、機】（機...
  • propagation : 持續培養
  1. Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last

    在基於專家系統的故障診斷方法中，採用了產生式知識表達和正向推理機制；在基於神經網路的故障診斷方法中，則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷，並對由模擬得到的不同診斷結果進行比較。
  2. Traffic load and temperature load are two main factors accounting for its formation and propagation

    交通荷載和溫度荷載是導致反射裂縫形成和擴展的主要因素。
  3. According to all the sediment peaks of 35 floods observed at each station on the downstream of xiaolangdi, it analyzes the characteristic of delayed sediment peak and establishes a regression equation between sediment peak lag time for each section of xiaolangdi, huayuankou, jiahetan, gaocun, sunkou, aishan and lijin and peak discharge, sediment concentration of the peak, flood propagation velocity and fall velocity of suspended load of the previous station, which can search, make up and extend sediment peak lag time and provide a basis for accurate forecasting on sediment peak travel time of each station on the lower yellow river

    根據小浪底下游各站沙峰均滯後於洪峰的35場洪水，對沙峰滯後於洪峰的特性進行了剖析，建立了小浪底、花園口、夾河灘、高村、孫口、艾山、利津各河段沙峰滯后時間與上站洪峰流量、沙峰含沙量、洪水傳播速度、懸移質泥沙群體沉速之間的回歸方程，可以用來查補延長沙峰滯后時間，為下游各站沙峰傳播時間的準確預報提供依據。
  4. A general consensus exists related to the influence of slow crack propagation ahead of the crack tip upon the nonlinearity observed in the typical load - deflection response of the concrete specimen, namely, concrete exhibits somewhat quasibrittle behavior, which has been verified by the inapplicability of the conventional linear elastic fracture mechanics ( lefm ) and fracture models suitable for metal - like materials

    現在已經意識到，混凝土在其典型的位移曲線中呈現出的非線性特徵是由於裂縫在端部的緩慢擴展引起的，可以認為是混凝土的一種半脆性性能。這是在發現傳統的線彈性斷裂力學（ lefm ）和適合金屬類材料的斷裂模型不適用於混凝土研究時得出的結論。
  5. Based on the discussions of the conventional and recent methods of short term load forecasting such as time series, multiple regression approaches and artificial intelligence technologies, this paper presents a hybrid short term forecasting model which combines the artificial neural network ( ann ) and genetic algorithm ( ga ). in order to improve the convergence speed and precision of the back - propagation ( bp ), a new improved algorithm - the adapted learning algorithm based on quasi - newton method is given

    本文首先分析比較了電力系統短期負荷預測的傳統方法時間序列法和回歸方法以及最近的專家系統和神經網路技術的優點和不足，然後針對人工神經網路bp演算法的不足對其進行了改進，採用了基於擬牛頓的自適應演算法，它提高了網路學習效率，具有較快的收斂速度和較高的精度。接著提出了改進的遺傳演算法來改善神經網路的局部收斂性。
  6. Based on the surface runoff and sediment load and changing characteristic of river boundary in different period in the lower yellow river, the regulating mechanism of cross section and riverbed withered and its influence to the flood propagation were researched systematically

    基於不同歷史時期黃河下游水沙條件和河道邊界條件變化特點，系統研究了斷面調整機理及河道萎縮及對洪水演進特性的影響。
  7. Based on the resolving algorithm of continuous - layer method, the time order analyzing curves, acceleration curves and the response spectra of transfer function at the different points of the ground and at the same point on the different ground conditions are gained. it demonstrates that the responses of ground in x, y and z axial directions all change by time, and the obvious wave propagation appears in ground. for different observing points on the same ground condition, at more distant points from the load line, the less swings are found, that is to say, vibration possesses the obvious characteristic of attenuation

    基於分層法的解析演算法，得到了在不同點以及在同一點但不同地質條件下的時程分析曲線、加速度變化曲線和傳遞函數反應譜，結果表明，地基土在x 、 y 、 z三個方向的響應都是隨時間變化的，並且伴隨有明顯的波動現象產生；對于相同地質條件的不同觀察點，距離荷載作用線越遠的地方振幅越小，即振動具有明顯的衰減性。
  8. Studies on the fatigue crack propagation rate ( fcpr ) indicate that load ratio ( r ) has a great effect on the fcpr : the greater load ratio is, the higher the fcpr becomes, and the lower kth shows. compared with load ratio, the thickness of the specimen has a lower effect on the fcpr

    對鎂合金的疲勞裂紋擴展特性的研究表明：載荷比r對鎂合金az91 ， am50裂紋擴展行為具有很大的影響。 r值越大，裂紋擴展速率越高，疲勞門檻值k _ （ th ）越小；試樣厚度t對鎂合金az91 、 am50穩態裂紋擴展速率的影響沒有r值那麼明顯。
  9. Analyses of dynamic crack propagation and crack arrest for a specified initial flaw size, external geometry, and applied load can be conducted in either of two different ways.

    為特定的初始裂紋尺寸、外部幾何形狀和應用載荷對動態裂紋擴展和裂停止進行分析，可以用兩種不同方法中的任何一種來進行。
  10. In this thesis, the stress intensity factors of top - down cracks caused by load are calculated using three dimensional finite element method, and the fatigue propagation rules and fatigue lives of top - down cracks are analyzed using paris law

    本文採用三維有限元方法分析了荷載作用下自上而下裂縫尖端的應力強度因子，並採用paris公式分析了自上而下裂縫的疲勞擴展規律與疲勞壽命。
  11. 2. based on the fem program and predigestion of train load, the dynamic response of ground soil by railway and subway had been simulated, and the propagation characteristic of vibration in soil was obtained

    2 、基於有限元程序和列車荷載簡化的基礎上，模擬了普通鐵路和地鐵兩種軌道交通荷載作用下地基土的響應，得到了振動在地基土中的傳播特性。
  12. However, the energies associated with the crack propagation are relatively high. after the filaments are treated by plasma for 6 minutes, the maximum load increases and initial energy is greater than 18. 57 %

    結果表明，未經處理的芳綸環氧界面剪切強度較小，在較低載荷下就出現初始裂紋，極限載荷相對較小，引發能較小，但所吸收的擴展能相對較多。
  13. Then, reflective crack ' s propagation model under traffic load coupled with temperature load was analyzed

    而後對反射裂縫在行車荷載與溫度荷載耦合作用下的裂縫擴展模式進行了研究。
  14. According to the cyclic reverse loading test of two brick masonry walls without reinforement and four pieces of brick masonry walls reinforced with afrp, the cracking load, the ultimate load, the ductility factor and the rate of crack propagation were compared each other

    本文共進行了六片磚砌體的抗震性能試驗研究，對比了無筋磚砌體和芳綸纖維加固后磚砌體的開裂荷載、極限荷載、延性以及裂縫開展情況的異同。
  15. The effect of mud on the performence of system can be considered the mud ' s efficience obtained by the link simulation, which depends on the algorithm of the mud, and the system multiplexing factor which depends on all kinds of factors related to the radio propagation environment in the cell network system planning, for example the cell scale, channel model, the system load and the user distribution

    隨后對影響多用戶檢測效率的干擾相消效率和系統復用因子兩個因素進行了全面而深入的分析。其中前者與接收機採用的mud演算法有關，一般通過鏈路模擬得到其結果，後者主要與蜂窩系統規劃設計中各種與環境相關的因素有關，如小區尺寸、通道模型、系統負載、用戶分佈。
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