河道糙率 的英文怎麼說

中文拼音 [hédàocāolǜ]
河道糙率 英文
channel roughness
  • 河 : 1 （天然的和人工的大水道） river 2 （指銀河系） the milky way system; the galaxy 3 （特指黃河） t...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 糙 : 形容詞（粗糙; 不細致） rough; coarse; crude
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 河道 : river course; streamway; covalency; runway; cut; river channel河道變遷 channel change; migration ...
  1. In order to solve the problem of choice parameter on model, model parameter inverse analysis are discussed in this paper, they include one dimension river flow roughness parameter, tow dimension flow roughness parameter and side flow of one dimension river flow

    針對模型運行中遇到的參數確定問題，本文討論了模型參數反分析，包括一維河道糙率反分析，二維糙率反分析，一維河道旁側入流反分析等。
  2. One dimension river flow roughness parameter inverse analysis kalman filter is introduced into the model to solve stochastic error in observed data. applying kalman filter automatism revising system, dynamic roughness course is obtained. using dynamic roughness course the model result precision is improved, it is more consistent with observed data

    對於一維河道糙率參數反分析，針對觀測資料存在的隨機誤差，引進卡爾曼濾波器的自動校正系統，求解出河道糙率變化的動態過程，使用動態糙率計算，明顯改善模型的模擬精度，使模擬過程和觀測過程很好吻合。
  3. Based on tiansha river water diversion flow strengthen project in jiangmen, the hydraulics and water quality characteristics in tidal rive networks have been simulated numerically. zero - dimensional and one - dimensional hydraulic models have been applied. this paper presents the concept of roughness optimization

    採用零維及一維水力模型，結合江門市天沙河引水增流工程項目，對感潮河網的水力水質特性進行了數值模擬，提出河道糙率優化概念，為感潮河網的納潮沖污，改善水環境提供了理論依據。
  4. Both the tide and the increase of floodplains " roughness can change the diffluence ratio between northern and southern branch

    外海潮波和灘地糙率的變化可以影響南北兩汊河道的分流比。
  5. Optimization model of networks " roughness is established. in this model, objective function is the average scedasticity of relative error for water level and discharge. with the recorded water level and tidal data, the value of roughness is optimized

    建立了以流量和水位相對均方差作為目標函數的河網糙率優化模型，並利用實測的河道水位及潮流資料，對河道的糙率取值進行了優化，所建立的糙率優化模型更加合理，計算的效率及精度大大提高了。
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