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- The conventional methods, such as unit hydrograph, Muskingum and linear reservoir method, have been used for basin runoff concentration calculation. 匯流計算基本采用傳統的方法,如單位線(xiàn)法、馬斯京根法、線(xiàn)性水庫法;
- In the linear perturbation Model(LPM),the ordinary lest squares (OLS) method is used in order to obtain the multi-regression cofficients (nonparametric unit hydrograph) of the conuolution summatron of the input and output departures. 在線(xiàn)性擾動(dòng)模型(LPM)中,輸入和輸出離均差的卷積求和是采用最小二乘法(OLS)求解,以得到非參數單位線(xiàn)縱標即回歸系數。
- Ascertain Unit Hydrograph with Least Square Theory 利用最小二乘方原理推求單位線(xiàn)
- Based on the width function,the basin geomorphological instantaneous unit hydrograph is derived. 河海大學(xué)水文水資源與水利工程科學(xué)國家重點(diǎn)實(shí)驗室江蘇南京;
- The kernel function can be unit hydrograph of deterministic system or time series model of stochastic system. 通常核心函數可為定率系統之單位歷線(xiàn)或序率系統之時(shí)間序列模式。
- This paper introduces and discusses the basic concepts and structure of IHACRES model based on unit hydrograph principles. IHACRES模型以單位線(xiàn)為基礎,結構簡(jiǎn)單、概念明確、優(yōu)選參數少,在國外已被廣泛研究和應用,并認為是一個(gè)相當成功的流域水文模型。
- The developed rainfall-runoff models with unit hydrograph mainly focus on simulating surface runoff, only a small number of models can be used for subsurface runoff. 摘要過(guò)去發(fā)展之以單位歷線(xiàn)為主之降雨-逕流模式大多只限于模擬地表逕流,對于地表下逕流之演算僅有少數幾種模式可資應用。
- Based on the characteristic analysis of urban stormwater,this paper has proposed the method and steps of establishing the synthetic instantaneous unit hydrograph in urban area. 通過(guò)對城市化流域雨洪特點(diǎn)的分析,提出用綜合瞬時(shí)單位線(xiàn)法建立城市雨洪系統綜合匯流模型的方法與步驟,并根據北京市實(shí)測水文資料進(jìn)行了實(shí)例研究。
- Study of Nash Unit Hydrograph Based on Random Theory 基于隨機理論的Nash單位線(xiàn)研究
- Especially in past,that interval unit hydrograph of instantaneous unit hydrograph for watershed runoff concentration was not thought as unit system or dimension is an incorrect statement. 結果表明,在流域匯流瞬時(shí)單位線(xiàn)法中長(cháng)期以來(lái)認為時(shí)段單位線(xiàn)為無(wú)因次的,該提法不妥,時(shí)段單位線(xiàn)應為有因次,具有流量單位。
- Geomorphic instantaneous unit hydrograph model based on linear dynamic wave 基于線(xiàn)性動(dòng)力波的地貌瞬時(shí)單位線(xiàn)模型
- a linear unit of distance in metric terms. 公制術(shù)語(yǔ)定義的長(cháng)度單位。
- a linear unit of the size of type 活字大小單位
- Optimal estimation of instantaneous unit hydrograph 瞬時(shí)單位線(xiàn)的優(yōu)化估計
- a linear unit (1/6 inch) used in printing. (印刷)表示活字寬度的大小。
- a linear unit used for astronomical distances. 用來(lái)表示天文學(xué)距離的長(cháng)度單位。
- transposition of unit hydrograph 單位過(guò)程線(xiàn)移置
- Nash's instantaneous unit hydrograph 瞬時(shí)單位線(xiàn)
- geomorpho-climatic instantaneous unit hydrograph 地貌氣候瞬時(shí)單位線(xiàn)
- geomorphology instantaneous unit hydrograph 地貌瞬時(shí)單位線(xiàn)