預報徑流 的英文怎麼說

中文拼音 [yùbàojìngliú]
預報徑流 英文
forecasted flow
  • 預 : Ⅰ副詞（預先; 事先） in advance; beforehand Ⅱ動詞（參與） take part in
  • 報 : Ⅰ動詞1 （告知; 報告） report; declare; announce 2 （回答） reply; respond; reciprocate 3 （答謝）...
  • 徑 : Ⅰ名詞1 （狹窄的道路; 小路） footpath; path; track 2 （達到目的的方法） way; means 3 （直徑的簡稱...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 預報 : [訊] forecast; forecasting; prediction
  1. An research on underground runoff deciding flood forecast model

    以地下徑流為主的洪水預報模型研究
  2. With the observations and by using smg ( system model of genesis ) model proposed by qinyi, the daily runoff hydrograph at hongqi station of tao river is forecasted. the results showed that smg model is simple for applying and not strict with data

    根據流域的觀測資料條件採用由秦毅提出的具有成因概念的系統模型（ systemmodelofgenesis ，簡稱smg模型）進行洮河紅旗站日徑流過程預報。
  3. The real runoff time series was divided into the high frequency item and the low frequency item with the help of the wavelet analysis first, then the two items were modeled by chaos theory and the stepwise regression algorithm, at last the output of the two models were added together.

    論文首先藉助小波分析，將實測徑流時間序列分解為高頻項和低頻項兩項，其次對這兩項分別用混沌理論和逐步回歸理論建模，其中混沌預報藉助基於自組織法求解的的volterra級數來完成，然後將兩者結果疊加起來。
  4. ( 3 ) smg model is not only good at practicability but also information ability due to real time updating, which guarantees the precision of the model forecasts. and no matter what stage is, calibration or verification, and what kinds of runoff situation, most plentiful runoff or most shortage, very close forecast precision in each case is obtained

    （ 3 ） smg模型不但實用而且可以進行實時的修正，使其預報精度能夠得到較好的保證，且不論在率定期、還是在檢驗期、不論對特豐徑流預報，還是對特枯徑流預報，他們的精度都比較接近，說明模型具有一定的泛化性。
  5. When the paper uses the optimization regulation, it divides the management time into " t " stages according to ten days to make up the decision having many stages of the reservoir ' s optimization regulation, and it takes the reservoir ' s retain quantity of water or retain status of water and confiscated quantity of water a s condition variable, takes the water quantity of drawing off or quantity of electricity as decision variable. when the confiscated quantity of water can be known or be forecasted in every stage during the period of management, that is to say the confiscated water process can adopt the determined process, we can make up determine dynamic plan model with many stages and take the minimal lacking water as objective function

    在動態規劃方法中把水庫的整個調度期，按句劃分為t個時段，以水庫的蓄水量s或蓄水位z和入庫水量q作為狀態變量，以水庫放水量q或電站出力n或發電量e作為決策變量，構成一個多階段決策過程，當計劃調度期內各時段的入庫徑流量已知或可以預報，即入庫徑流過程可以採用確定性徑流過程時，分別按缺水量d最小作為目標函數建立多階段確定性動態規劃數學模型。
  6. Following the requirement of the reservoir operation section of north - west electricity management bureau in developing a 10 day runoff forecasting scheme and considering the situation of no suitable forecasting model to serve the purpose, this thesis, from ge shouxi ' s and wmo ' s point, defined a group of standards which are practicability, information ability which means the ability of a model to adopt information contend in observed data, extension capacity and robustness, being used for evaluating performance of a forecast model and with them makes a comparison among systematic models as multi - regression model, generalized tank model, neural network method and system model of genesis ( in short smg ), and one conceptual model, the xinganjiang model

    針對西北電網水調部門提出的開發黃河上游徑流中長期預報軟體的任務，根據wmo和葛守西的總結，本論文利用四個系統模型和一個概念模型對黃河上游的龍、劉兩庫的汛期入庫徑流量進行旬徑流預報嘗試，並對所用的模型進行了泛化性、穩健性、模型結構、對水文信息反映和實用性及作中長期預報時何種系統模型的輸入最好作了比較研究，為龍、劉兩庫的徑流中期預報模型的採用提出了建議。
  7. Calculation of quantity of soil evaporation takes an important part in moisture content prediction, rainfall surface flow calculation and evaluation of water resources

    摘要土壤蒸散發量的計算，在墑情預報、降雨徑流計算及水資源評價中都佔有重要的地位。
  8. The main results of this paper are as follows : ( 1 ) the operation chart for individual and associated operation of new and old units, is plotted by using series of multiyears flows and the associated charts is advised to direct the reservoir operation. ( 2 ) on the basis of analysis on the characteristics of hydro - information observation system and flood forecasting system, some key problems in flood operation such as dispatching period of time, decision - making method and so on are studied. ( 3 ) the study and development of flood - dispatching simulation model

    論文取得的研究成果如下： （ 1 ）採用長系列徑流資料，繪制了新老機組單獨運行和聯合運行調度圖，通過對比分析，建議採用聯合運行調度圖來指導水庫運行； （ 2 ）在對石泉水庫水情測報系統和洪水預報系統的特點進行分析的基礎上，研究了洪水調度中的幾個關鍵問題，如調度時段、決策方法等； （ 3 ）洪水調度模擬模型研究與開發。
  9. Study on runoff forecast of baihe river basin in headwater region of the yellow river

    黃河源區白河流域徑流預報研究
  10. A three - tiered artificial neural network ( ann ) model with a feed - forward, back - propagation net - work structure was developed to forecast river flow in the manwan reservoir

    摘要以雲南省漫灣水電站歷史徑流狀況為研究對象，運用三層前饋反向傳播神經網路模型對徑流進行中長期預報。
  11. On the base of the popular short - term hydrologic forecast models, xin ' anjiang model, the sacramento model and the tank model are used to simulate and analyze the rongjiang river basin and result are analyzed contrastively the second part : the economic running problems are studied in the water power station, and the newest results are used in the water power station in rongjiang river basin

    第一部分，探索了入庫徑流短期預報方法，在綜述了現行常用的短期水文預報模型的基礎上，分別用新安江模型、薩克模型和水箱模型對融江流域實際資料進行模擬計算。對模擬結果進行了比較分析。第二部分，水電站廠內經濟運行理論的實例應用研究，將相關最新研究成果應用於融江流域水電站。
  12. The results of theoretical analyzing and practical running proved that the contamination on - line detecting system for substation developed in this paper can be applied to the large - scale variation of leakage current, the fuzzy reasoning alarming method can predict the pollution level of insulator more accurately. a new method is given to solve the problem of alarming reliability of contamination on - line detecting system

    理論分析和實際運行的結果表明本文的變電污穢在線監測系統能夠適應泄西安理工大學工程碩士專業學位論文露屯流人范圍的變化，及時並準確地預報絕緣于污穢程度，為解汰了變屯污穢分線監測系統的可靠報警問題提供了新途徑。
  13. The hydrologic forecasting is the basis of the economic dispatching of multi - reservoir system. precise prediction is the key to ensure the success of optimal dispatching

    徑流預測作為水電站優化調度的基礎，其預報結果的準確與否，將成為水電站的最優調度方式能否發揮作用的關鍵。
  14. Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield

    本文依據流域地貌形態所具有的顯著分形特徵，從模擬實驗出發，利用分形理論和方法，結合高精度攝影測量和gis技術，對流域模型侵蝕產沙時空變異特徵、地貌形態發育過程及其相應的分形特徵、流域模型侵蝕產沙與地貌形態耦合關系進行了深入研究，並以具有11年降雨泥沙徑流觀測資料的岔巴溝流域為例進行了驗證研究，為實現從單坡面侵蝕產沙模擬、預報向流域侵蝕產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法，為黃土高原小流域水土流失綜合治理提供了科學實踐依據。
  15. Analysis and prediction on the long - term trend of runoff in the jialing river

    嘉陵江徑流長期變化分析及預報
  16. This paper analyzes the relationships among precipitation, runoff and crop water requirement, and investigates the effects of integrated drought - resistant technologies during whole growth period on the production of corn and millet in north part of shanxi province, based on the forecasting of long - term climate trend and the objective assessment of annual water supply and demand on farmlands

    摘要通過對降水量、地面徑流量、作物需水量的綜合分析，結合山西省中長期天氣趨勢預報，在客觀定量地評價年度內農田水分盈虧指標的基礎上，實施集成旱作技術，對玉米和穀子進行全生育期農田管理，取得明顯效果。
  17. There are only researches about the slope loss ' s soil particle characteristics and the temporal process of hillslope agro - forestry compound system nutrient loss in the yangtze river watershed, and deficient to the mechanism and process parameters of hillslope sediment and nutrient loss of three gorges area, and there is not a preferable systematic prediction model of sediment runoff and nutrient loss also, let alone forming benefits evaluation model of hillslope harnessing measures

    目前在長江流域僅有坡面流失土壤顆粒特徵和坡面農林復合系統養分流失時間過程的研究報道，而對三峽庫區坡面土壤泥沙及養分流失的機理及過程參數的獲得尚無報道，還沒有一個較系統的泥沙徑流及養分流失的預測預報模型，更談不上構成坡面治理措施的效益評價模型。
  18. The simulation result shows that the first three kinds of algorithms cannot achieve accurate result, producing large error on the data that are out of the historic record. while the algorithm bp - nn based on local modeling can obtain comparatively precise results and has higher predicting capability for hydrologic forecasting

    而用基於localmodeling的bp神經網路模型對該流域作月徑流預測時，所得到的預測值相對較準確，對于月徑流的預測具有較高的模擬預報能力。
  19. The application of remote sensing. gis and gps techniques to hydrology, water resources and water conservancy projects as well as hydrologic plot experiment and flood forecast

    遙感技術、地理信息系統技術和gps技術在水文、水資源和水利工程中的應用，以及水文徑流試驗和洪水預報等。
  20. As such in this study, attempt was made at coupling the artificial neural network ( ann ) with the xinanjiang conceptual model with the view to enhancing the quality of its flow forecast

    鑒於此種情況本文將人工神經網路演算法同新安江模型相耦合以提高模型預報的精度。計算中使用了近期觀測資料以及模型中徑流流量預報產生的誤差殘差。
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