flood forecast 中文意思是什麼
flood forecast
解釋
洪水預報-
Taking into account weather and flood forecast information ; the forecast operation manner is studied under the condition of without the change of the existing flood control standard to realize the conversion of flood control and benefits. ( 4 ) through analyzing runoff and water utilization information during reservoir operation, design flood, and the existin
水庫汛陽水位動態控制方法研究及其風險分析根據水庫流域天氣預報、流域前期降雨、水庫蓄水、水庫泄水能力和防洪興利要求，利用水庫汛限水位變動范圍，結合洪水預報和短期降雨預報模型，研究水庫汛限水位動態控制方法。 -
Study on improving peak flood forecast accuracy with svm model
提高支持向量機洪水峰值預報精度研究 -
( 3 ) anns are often viewed as black box models whose parameters do n ' t have any physical meaning. and the structures of anns are similar in different hydrologic systems, by this mean, the basic information such as distributing of hydrometric stations ca n ' t be utilized. this paper presents a new flood forecast model based on complex ann, which can make the information of hydrologic systems as guidance when constructing the structure of ann
（ 3 ）通過建立復合型型人工神經網路模型的方法，有效的利用給定水文系統的先驗知識為人工神經網路模型的建模提供指導，使得建立出的模型更具合理性，該方法不同於傳統的人工神經網路建立方法，為基於人工神經網路的洪水預報建模提供了一種新的思路。 -
Demonstration of water regime stations optimization for sanxia reservoir inflow flood forecast
三峽入庫洪水預報水情站網優化論證 -
Flood forecast in construction of dalong reservoir and
及大隆水庫施工中的洪水預報 -
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 -
Flood forecast system for small valley in heilongjiang province
黑龍江省洪水預報系統在小流域洪水預報中的應用 -
Influence of upstream hydroproject to middle and small flood forecast precision
水庫上游水利工程對中小型水庫洪水預報的影響 -
Combining absolute error function with relative error function, and setting it as the objective function of bp networks application to the flood forecast
綜合絕對誤差函數和相對誤差函數於一體，提出一種適合於水文研究的bp神經網路綜合目標函數。 -
Results show that a three - stepwise weight function correction method is effective and applicable and can be spread in other basins. it can eliminate the outlier of rainfall data and improve the accuracy of flood forecast
計算結果表明，採用雨量觀測誤差三步權函數修正法是有效的，能準確剔除雨量資料的粗差，改善雨量資料的合理性，提高洪水預報的精度。 -
The causes of errors existed in remote survey system, flood forecast system and rainfall forecast system are systematically analyzed, and the makeup measures are presented when errors occur
結合實例分析了水文氣象預報信息和洪水預報信息在汛期限制水位動態控制中應用的可能性和水庫汛限水位動態控制的條件。 -
Combined with the significant project - gongboxia hydro - power station construction, emphasized on construction during flood period of power station construction period, the climate character of the upstream of yellow river basin and the practice operation state of cascade reservoirs are analyzed, some problems in construction during flood period such as flood propagation time, interval flood discharge forecast, construction risk, flood period pre - alarm and longyangxia reservoir ' s function on construction of gongboxia are also studied, with an aim at presenting real interval flood forecast scheme and dispatching method, so as to provide technological support for gongboxia hydro - power station construction period
本論文結合國家重點工程項目?公伯峽水電站的建設，以電站建設期施工渡汛為研究重點，從實施出發，分析黃河上游氣候特性和梯級水庫群的實際運行狀況，對施工渡汛中的主要問題?洪水流達時間、區間洪水預報、渡汛風險、汛期預警、龍羊峽水庫在渡汛中的作用等進行了比較全面深入的研究，目的在於提出可用於實際的區間洪水預報方案和調度方法，為公伯峽水電站施工期建設提供技術支撐。 -
The robust system can prevent abnormal factors from entering the flood system, so as to ensure the stability of the system and the accuracy of flood forecast. firstly, the theory of robust estimation is introduced into parameter estimation of the auto - regressive model ( ar model ). also some estimation methods commonly used, including the huber estimation and igg estimation, are introduced and compared with the least square method ( lsm )
洪水預報系統的抗差性研究，就是把抗差理論引入洪水預報中，利用抗差系統具有的抗差能力，使許多嚴重的不正常因素誤差影響，根本就不能進入系統，這樣，減少了系統的污染機會，降低了不正常因素的影響，可大大提高系統的穩定性和洪水預報的精度。 -
As for controlling flood, accurate and timely flood forecast is the most important task. we can get more time and take more reasonable measures to avoid flood disaster
對于防洪工作來說，最重要的工作是要有精確、及時的洪水預報，為防洪爭取更多的時間和採取更合理的措施來避免洪水災害。 -
At the same time, it has great use in a lot of fields, such as flood control of city, flood forecast analysis and water resources continuable use
同時，對于城市的防洪規劃、洪水預報分析、河道演變規律及水資源綜合利用等有著十分重大的意義。 -
By choosing flood control system of downstream basin of the yellow river as the background, six relatively independent subsystem is established, which includes basic information management, real - time flood forecast, multi - reservoir flood control scheduling, consultation and analysis, scheduling scheme management, frequency analysis, and assist with friendly man - machine conversation to constitutes the yellow river downstream flood control scheduling decision support system, which can satisfy the practicability requirements of decision - making
論文以黃河下游防洪系統為背景，建立包括基本信息管理、短期洪水預報、水庫（群）防洪調度、會商與靈敏度分析、方案管理、水雨情頻率分析等6個相對獨立的子系統，並輔以友好的人機交互界面集成為黃河下游防洪調度決策支持系統，滿足了群決策會商的實用性要求。 -
( 7 ) the concept and principle of pre - evaluation machine ( pem ) of flood forecast models are described. pem models based on resemblance coefficient, ann and svm are posed. the feasibility and difficulties of their application are discussed
（ 7 ）提出了洪水預報模型預評估機（ pem ）的概念，介紹了其工作原理，並提出了基於相似系數、基於人工神經網路和基於支持向量機三種類型的預評估機模型。 -
( 2 ) the model ( nnbp ) combined the wavelet soft - threshold de - noising with bp - ga model application to the flood forecast
（ 2 ）小波軟閾值降噪與bp神經網路綜合模型（ nnbp模型）應用於洪水預報。 -
Meanwhile, the svm ' s parameters selection method and the representations of different models are researched. ( 5 ) three types of flood forecast models based on svm are presented. these models are svm flood forecast model with changeless training set, dynamic recursion svm flood forecast model with fixed length training set and dynamic recursion svm flood forecast model with memory
（ 5 ）根據支持向量機的特點，建立了固定訓練樣本集的svm洪水預報模型、固定訓練樣本集長度的動態遞推svm洪水預報模型和帶記憶的動態遞推svm洪水預報模型三種基於svm的洪水預報模型，它們在實例中的表現體現出了良好的應用前景。 -
( 3 ) the collective model ( hgcm ) based on the individual forecast model of the high frequency and the low frequency application to the flood forecast
（ 3 ）小波分解高頻項和低頻項獨立預報模型（ hgcm模型）應用於洪水預報。
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