reduction parameter 中文意思是什麼

reduction parameter 解釋
歸算參數
  • reduction : n 1 縮小,減少;降級,降位;(刑罰等的)輕減;減速;減價,折扣。2 (城市、國家等的)陷落,投降,...
  • parameter : n. 1. 【數學】參數,變數;參詞;參項。2. 【物理學】參量;(結晶體的)標軸。3. 〈廢語〉【天文學】通徑。vt. -ize 使參數化。
  1. The disquisition includes choice of algorithm, accomplish of algorithm, collection of learning sample, parameter of net, shortcoming of bp algorithm, extraction and reduction form line etc. referring to shortcoming of traditional bp algorithm, a modified learning factor with adaptation is introduced. because of every different font has robust, the way based chain coded and knaggy feature is used. a bizarre sample feature database is constructed for speeding up modified bp learning and classification

    本文對人工神經網路理論進行了研究,探討了網路形式及演算法的選擇、演算法的實現、學習樣本的收集、網路參數選擇、 bp演算法缺陷、表格線提取、還原、生成及字元識別、還原生成等問題,並針對bp演算法的缺陷提出了和實現了改進型bp演算法,使網路學習效率提高,對不同人的不同字型字體有較強的魯棒性,採用了基於鏈碼特徵和凹凸分佈特徵的方法來抽取字元特徵。
  2. The bulk of effect on dredging river for deposition reduction is relative to chosen datum of dredging channel geometry parameter. geometry parameters include dredging channel length, morphology of transversal section and longitudinal slopes

    挖河減淤效果的大小與挖槽幾何參數的選值有關,幾何參數包括挖河長度、斷面形態及挖槽比降等。
  3. Two methods are given. one is obtained by using degree reduction of interval rational bezier curves in two parameter directions according to the character of tensor product, which is called " single step method ". by comparison for degree reductions produced by the different order in two parameter directions, the relationships of the approximation results are discussed

    然後討論了矩形域上區間有理bezier曲面的降階問題,給出兩種降階演算法:一個是針對張量積的特點將問題轉變為兩參數方向的區間有理曲線的降階逼近,即「單步法」 ,並討論單步法沿兩參數方向不同次序降階的關系。
  4. In this paper, based on the soil water infiltration multifactorial influence tests with three species of soil texture and different husbandry condition and monofactorial influence tests with four species of soil texture in indoor, the basic infiltration characteristics, reduction infiltration mechanism and various factors are studied systematically. major factors influencing soil infiltration characteristics, resilience between influence factors and soil water infiltration parameter and influence priority are analyzed by mathematics statistics method, stepwise regression models with multiple units of soil water infiltration parameters are build up and verified

    本文基於大田三種質地、不同耕作條件下土壤水分入滲的多因素影響試驗和室內四種質地土壤條件下的單因素影響試驗,系統地研究了土壤水分入滲特性的變化過程,阻滲機理和影響土壤水分入滲特性的各種因素,藉助數理統計方法分析影響土壤水分入滲特性的主要因素,各影響因素與土壤水分入滲參數間的相關性及其影響的先後次序。建立、驗證了土壤水分入滲參數的多元逐步回歸模型。
  5. Firstly, sufficient conditions of lagrange stability for nominal unperturbed pendulum - like systems are derived based on the nonlocal reduction method. then the static state feedback controller design methods are presented for uncetain pendulum - like systems with time - varying norm - bounded parameter uncertainty to obtain robust lagrange stability. it is shown that the above problem can be reduced to the existence of the solutions to a set of lmis

    在具體的推導過程中,首先基於非局部降階法,推導了高階標稱類擺系統lagrange穩定的充分性條件,然後基於此條件,針對具有范數有界參數不確定性的受控高階類擺系統,給出了使其魯棒lagrange穩定的狀態反饋控制器設計的充分性條件。
  6. According to thermal state similitude model experiment of the langya mountain hydropower station, we adopt different velocity of air ventilation and exclude air proportion of upriver and downriver, this paper contrast the air distribution of the dynamo floor on each method, and educe the best projects of arch crest supply air that adapt to langya mountain hydropower station ’ s dynamo floor : g = 17. 4 10 ~ 4m ~ 3 / h, 22 vents, d = 600mm, the scale of volume 1 : 3, t0 = 16. 9. it ’ s also thought that improved any side of volume can reduce its temperature. when study on the air supply of langya mountain hydropower station ’ s underground dynamo floor by cfd software, it proved that cfd software is correct when compare with model experiment. when arrange the number of 5 kinds of vents, it concluded that the number of vents 14 to 22, it can ’ t change velocity, in 36 to 40 can lead to reduction of velocity. when vent in 14 to 36, the parameter kt doesn ’ t change, when the number is as large as 36, kt reduces

    在此基礎上,模擬了5種風口布置方案和送風量的改變對發電機層溫度場和速度場的影響,獲得了些可供參考的結論:在風量和送風速度不變的條件下,風口個數在( 14 ~ 22 )小范圍變化時,工作區平均風速基本不變,大幅度增加風口個數( 36 ~ 44 )就會導致工作區平均風速的降低,風口數在14 ~ 36之間對工作區的溫度不均勻系數影響不大,當風口數> 36時,溫度不均勻系數隨著風口數的增多而變小,速度不均勻系數一直隨著風口數的增加而減少;在風口布置和尺寸不變的情況下,送風量變化時,工作區平均溫度隨送風量增大而降低,平均溫度的降低量逐漸趨于減少,能量利用系數先是隨著送風量的增加而增大,后隨送風量增加而減少。
  7. This paper, based on collecting many empirical determinations of strength parameter for jointed rock masses all over the world, puts forward the improved empirical determination of strength parameters, that is to say, " size effect reduction factor " and " jointed rock reduction factor " of the intact rock specimen for the study on jointed rock mass strength parameter, and applies to the a typical location of the dam, which proves that this methodology is feasible and rational, and a new way for study of strength parameter in jointed rock masses is established

    在大量收集國內外節理巖體強度參數經驗確定方法的基礎之上,提出了改進的節理巖體強度參數經驗的確定方法,即對完整巖石進行「尺寸效應折減」與「節理化折減」的二次折減法,並應用於某壩址區工程實例中,所得的計算值與現場實測抗壓強度值接近,較以往的經驗確定方法更加準確,證明了節理巖體強度的降低是尺寸效應與節理化綜合作用的結果,為節理巖體強度參數的研究提供了一條新的思路。
  8. In the second part, we consider a class of reaction - diffusion equations in developmental biology. near the bifurcation points, using the liapunove - schmidt reduction process, we obtain the nontrivial solution branches which are bifurcated from the trival solution when the parameter changes

    然後考慮發育生物學中一類反應擴散方程組,在分歧點附近利用liapunov - schmidt約化技巧,得到了從平凡解分歧出來的隨參數變化的非平凡解枝以及它們的近似解析表達。
  9. For recent years, in view of the effects of deposition reduction of river dredging and key technology in the lower yellow - river, a series of key tasks on special topics have been carried out by many researchers. and a series of research results have been obtained. this paper will combine with research results mentioned above to analyze as well as emphasizal analyze results by means of physics model " test, and demonstrate the effect of dredging channel " geometry parameter on deposition reduction of river dredging and mechanism of deposition reduction of river dredging

    為此,近年來,許多研究人員針對黃河下游挖河的減淤作用及其關鍵技術開展了一系列專題攻關,進行系統研究及分析論證,並取得一系列研究成果,本論文結合此課題,重點通過物理模型試驗對挖河幾何參數對挖河減淤效果的影響以及挖河減淤機理方面進行重點分析論證。
  10. We have developed a tool suite using c / c + + language on sun ultra60 workstation - ir drop 2003. it can be used to accomplish the analysis of power grid integrity with high speed. this tool suite consists of five components : tools for power grid parameter extraction, tools for enhanced circuit ' s partition, two steps reduction, the fast circuit solver and a plotter

    我們用c c + +語言在sunultra60工作站上實現了一套改進的快速電源網格完整性分析驗證集成工具包? ? irdrop2003 ,該工具包括五部分:電源網格提取工具,改進的劃分電路工具,兩重壓縮器,電路快速求解引擎和友好的圖形顯示界面。
  11. Offline part provides friendly and simple operation interface, and various fuzzy parameter fields, variable subsets, fuzzy reduction and reverse fuzzy method can be selected easily. look - up table is stored as data module. on - line part is a function block used conveniently

    離線部分用戶界面友好,操作簡單,可以方便地選擇各模糊變量論域范圍、變量子集類型、模糊推理和去模糊化的方法;用於查詢的控製表以plc數據模塊的形式存放;在線部分本身是一個調用方便的功能塊。
  12. Using the model parameter from the dynamical experiment, the integrated parameters can be disassembled, thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved. it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy, and it can give reference to evaluate the load capacity of bridge. in the end, in order to assess the existing bridge ' s seismic resistance performance, force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods

    另一方面,由動力相似理論建立了室內模型,並進行室內動力試驗,藉助量測到的模態參數分解出綜合參數,可以反推結構頻率及振型參與系數。試驗結果、有限元計算值表明,本文建立的模型概念明確、計算方法簡便、精度較高,可以為動測法評定橋梁結構承載力提供參考。最後,從延性的角度給出強度折減系數來考慮結構進入彈塑性階段的地震力,從而對橋梁的抗震性能做出評價。
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