observed equation 中文意思是什麼
observed equation
解釋
經驗方程-
The results show that, comparing with the gas pressure drops calculated by the modified ergun equation, in the cases of the gas reynolds number is small, due to the presence of the dead space, the observed p in the experiments are bigger than that obtained by calculation, and when the gas reynolds number is large, because of the small interfacial viscous drag - force between gas and liquid, the p observed are smaller than that obtained by calculation
結果表明在氣相雷諾數較小時，由於停滯孔隙率的存在，實測壓降值比修正厄根方程計算的值大；氣相雷諾數較大時，氣液界面上產生的粘性曳力較小，實測壓降值比修正厄根方程計算的值小。 -
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。 -
Through examination of the recession limbs of the observed hydrographs, during periods with no rain and thus no surface runoff, one can determine the value of. for this catchment, a value of 0. 8 is obtained. the simulated subsurface runoff at each grid is routed to the outlets through a unit - hydrograph method for overland flow and the linear saint - venant equation for channel flow to get the discharge at xixian station
對所研究的流域而言，經過估算消退系數為0 . 8 .耦合著這兩種不同地下徑流機制的clm模型都可以計算出每個網格的地表地下徑流深，採用dag lohman 34 ， 35發展的匯流模型進行匯流由於是研究地下徑流，所以取每個網格的地表徑流為0 ，該模型採用單位線計算坡面匯流線性聖維南saint - venant equation進行河道匯流 -
By calculated judd - ofelt parameters of the npre - 1 glass and luminescence dynamics equation, the author has get the changing curve about light intensity near 1540nm with the increase of er doped concentration. it was observed that the light intensity is the strongest when er doped concentration is 20mol % and the concentration - quenching phenomenon takes place after the concentration is bigger than 20mol %
5 ）通過建立發光動力學方程，利用j - o計算得到的參數，得出npre - 1樣品1540nm處發光強度隨er3 +離子摻雜濃度的變化規律，看到er3 +離子摻雜mol濃度為20 %時發光最強，大於這個濃度后就發生了濃度猝滅效應。 -
Based on underwater vehicle ' s nonlinear differential equation and observation equations, swarm intelligence algorithm is used to identify ten hydrodynamic parameters from simulation observed data of the motions of underwater vehicle
摘要通過水下航行體的狀態方程和試驗觀測方程，利用智能辨識技術對水下航行體的模擬運動數據進行了模擬辨識，求得了10個水動力參數。 -
In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment
懸沙輸運模型利用切應力方法來確定對流擴散方程中的泥沙源函數，其中的臨界起動速度利用經典的泥沙起動流速公式前面增加一個局地系數得到，這個系數能反映河床底質結構及固結程度，通過系列數值試驗和實測資料的統計分析確定。 -
The approaches establish a relationship between monthly precipitation abnormality and monthly circulation, soil moisture and temperature on the shallow and deep layers. the relationship is the precipitation diagnostic equation and its coefficients and dimensions are determined by using the observed data of huai river basin. then we select the main soil moisture and temperature attributing factors by the dimensional analysis to establish a forecasting equation of summer precipitation over huai river basin with the statistic approach
通過將大氣中的熱量、水汽收支方程與一個簡化的兩層土壤溫度、濕度方程相結合，並依據月尺度大氣環流的演變特徵，推導出月降水距平與500hp月平均高度距平場、土壤深淺兩層溫、濕度的關系；利用臺站觀測資料，使用統計反演方法確定方程中各項的系數和量級，從而找出影響降水的主要土壤溫、濕因子；利用統計方法建立這些因子與淮河流域夏季降水異常之間的簡單線性預報方程，並對1992 - 2000年淮河流域夏季降水趨勢進行回報。 -
Based on the study production of pavement performance interior and overseas, using the observed data of pavement condition, the paper analyzes the pavement performance of city hengshui, induces the disintegration curve and disintegration equation, and then forecasts to the pavement performance with the maintenance measure
在綜合國內外路面使用性能的研究成果的基礎上，本文結合衡水市長期跟蹤及觀測的高等級公路的路況調查資料對衡水市路面使用性能進行分析，得出衡水市高等級公路路面使用性能的衰變曲線和衰變方程，進而結合採取的養護對策對路面使用性能進行預測。 -
Smooth order amplitude variance was expressed by using state equation, and measurement error and noise were expressed by adopting observed equation
狀態方程表示了階比幅值的平滑變化，觀測方程表示了測量誤差和噪聲。 -
5 summary a subsurface runoff model with water storage and recharge is developed in this paper based on the bous - sinesq - storage equation. the sensitivity of the model parameters is also tested. the subsurface runoff model is applied to a river basin with observed precipitation, observed air temperature data, observed runoff data, and a base flow separation algorithm in order to vali - date the model application
5結論與討論基於boussinesq - storage方程發展了同時考慮水分儲存和入滲的地下徑流機制，分析了模型參數的敏感性，並針對淮河流域的的息縣控制站所控制的區域，利用降水徑流資料及通用的基流分離演算法進行了驗證 -
Using mathematic and physical statistics and regression analysis of observed deformation data, stress - strain model for the rheological deformation of soft clay was established, and the regression equation for the rheological deformation was obtained. the model and regression equation can be used to predict the development of rheological deformation. 3
對上海地區的軟粘土流變變形建立應力-應變本構模型，並利用數理統計原理對變形觀測值進行回歸分析，建立流變變形的回歸方程，可以用於預測流變變形的發展； 3 -
The main methods of this thesis are as following : chaotic time series is created by dynamics equation, then use gp algorithm to calculate embedding dimension and mutual information algorithm to calculate delay time. based on takens embedding theorem, the method utilizes the observed values of single variable of chaotic system to reconstruct phase space
論文首先求解動力學方程組產生混沌時間序列，然後用gp演算法確定嵌入維數、互信息法求出延遲時間，再根據takens嵌入定理，利用混沌系統的單變量觀測值對混沌背景重構相空間。 -
By studying the vibration signal characteristics in periodic loading machine system, vibration signal model including state equation and observed equation was constructed
通過研究周期性負載機械繫統振動信號的特點，構造了包括狀態方程和觀測方程的振動信號模型。 -
Analyzed result on observed data shows that runoff erosivity and sediment transport modulus have a good power function ( y = mxn ) relationship. all the correlation coefficients of regression equation are bigger than 0. 9 in different watershed and power exponent b is 0. 4 - 0. 65, which average is 0. 52. and n is bigger as harness degree high
實際流域的觀測資料分析結果表明：徑流侵蝕力與輸沙模數之間有很好的冪函數（ y = mx ~ n ）關系，回歸方程相關系數均在0 . 9以上，關系式中冪指數n在0 . 4 - 0 . 65之間，平均為0 . 52 ，治理度越高， n值越大，而參數m與流域面積和治理度有關， m值隨著流域面積的增大和治理度的提高而減小。 -
In this thesis, the tides and tidal currents in the seas adjacent to zhejiang province are simulated with a three - dimensional baroclinic primitive equation model - hamburg shelf ocean model ( hamsom ). two numerical techniques - nested grid and moving boundary method are used successfully and high precision results which compared with the observed ones are obtained. these results reveal the characteristics and the moving rules of the tides and tidal currents in this area
本文採用三維陸架海模式（ hamsom ）對整個浙江近海的潮汐和潮流進行了三維數值模擬，成功地應用網格嵌套和動邊界技術獲得了和實測資料相吻合的較高精度的結果，揭示了浙江近海潮汐、潮流的主要特徵和運動規律。 -
It is concluded that a combination of the two main modeling approaches, the sequential modular approach and the equation - oriented approach, can keep a good balance between flexibility and efficiency. so - obtained process model, called composite model in this paper, contains hidden variables that can not be observed externally
分析和比較了當前兩大基本建模方法- -聯立方程法和序貫模塊法對優化效率的影響，指出結合這兩種方法優點的復合建模方法在優化中的優勢，並通過一個精餾塔穩態優化問題驗證了這一結論。 -
As per optimal operation pattern function with annuals cycle, each decision of annual cycle and corresponding operating factors in the light of observed value of random variable, regression analysis at each time - interval is carried out and then regression equation will be as the operation function to guide cooperating operation for group hydropower station
依據優化調度模型函數，以年為周期，將各年周期的決策值及其相關的運行要素作為隨機變量的觀測值，逐時段做回歸分析，並將其回歸方程作為指導水電站群聯合運行的調度函數。
分享友人