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sediment incipient motion中文是什么意思

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  • The data forecasted by network experiment data and data computed by classical regression model are compared and analysed from the comprehensive angel of sediment incipient motion theory and ann theory
    最后從泥沙起動(dòng)輸移理論和神經(jīng)網(wǎng)絡(luò)理論的綜合角度,分析比較網(wǎng)絡(luò)預(yù)測(cè)值和實(shí)測(cè)值、傳統(tǒng)模型回歸計(jì)算值。
  • First , total resistance is derived by summing different resistance components . the relationship between resistance of still plane bed and energy slope has been proposed from the similarity between sediment incipient motion and still bed resistance . and this relationship can be used in computing grain resistance
    一是從不同的床面阻力單元出發(fā),利用泥沙起動(dòng)與定床阻力之間的相似性研究了靜平整床面的阻力,建立了靜平整床面阻力與能坡之間的關(guān)系式,并將此式用于沙粒阻力的計(jì)算。
  • In this dissertation , on the basis of comprehensive review of the study achievements on sediment transport , we get the fact that most of formula in sediment incipient motion and bed - load transport rate are established by classical regression analysis model , i . e . firstly establishing the formula according to related sediment transport theory , secondly computation for regression coefficients in formula by using field or laboratory experiment data
    故本文在回顧并總結(jié)泥沙輸移研究成果的基礎(chǔ)上,指出大多數(shù)泥沙起動(dòng)公式和輸沙率公式的推求是采用傳統(tǒng)回歸模型,即先根據(jù)輸沙理論定出計(jì)算公式,再用實(shí)測(cè)資料或試驗(yàn)數(shù)據(jù)率定公式系數(shù)。
  • The main contents are as follows : section - of theory of sediment transportation - on the basis of comprehensive review of the study achievements on sediment transport , pros and cons in using classical regression model based on lms during establishing formula in sediment incipient motion and bed - load transport rate ; experiment data in non - uniform sediment with a wide distribution in flume experiment of stead sediment transportation are been collected and coordinated
    本文的主要內(nèi)容包括:泥沙輸移理論部分:對(duì)前人的相關(guān)泥沙起動(dòng)輸移研究結(jié)果總結(jié)性的回顧,分析了采用最小二乘法的傳統(tǒng)回歸模型在泥沙起動(dòng)公式和輸沙率公式處理中的四川大學(xué)碩士學(xué)位論文人工神經(jīng)網(wǎng)絡(luò)理論及其在泥沙科學(xué)中的應(yīng)用研究?jī)?yōu)點(diǎn)和缺點(diǎn):收集并整理了兩組平衡狀態(tài)下的輸沙試驗(yàn)資料。
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