準線性理論 的英文怎麼說

中文拼音 [zhǔnxiànxìnglún]
準線性理論 英文
quasilinear theory
  • : Ⅰ名詞1 (標準) standard; guideline; criterion; norm 2 (目標) aim; target Ⅱ動詞1 (依據; 依照)...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
  • : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  • 理論 : theory
  1. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非關系,本文經細致的分析,將基本的非分析方法、統計建模方法、隨機分析、最小均方誤差原則等等數學及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程確預報的困難所在及改進方向。
  2. Roll over protective structure ( rops ) is a device which installs on out of construction vehicle. the main functions are : when the vehicle rolling over. rops can prevent the vehicle from rolling over further, and reduce the possibility of rolling vehicle injures operator ; when the vehicle traveling on freezing soil. concrete and rock, it has large resist continuous impact ability ; when the vehicle overturning rops can support the whole vehicle. arrangement of falling object protective structure ( fops ) can block objects ( such as trees, rocks ) so that supply protection for operator. this problem is that research rolling over and falling objects protective structure of bulldozer by learning research condition of rops / fops and relative lay down international standard. on the base of theory analysis. detrudes counting formula of rops / fops deformation through founding mechanics analysis model of rops / fops at the stage of elasticity and plastoelastic. and finds a set of feasible nonlinear finite element analysis counting. lt calculates rops / fops plastoelastic deforma variable of 320hp bulldozer, bulldozer has been carried out by optimizing design method

    其主要功能是:當車輛滾翻時, rops能刺入未凍土壤而阻止車輛的進一步滾翻,降低滾翻的車輛對系著安全帶司機軋傷的可能;保證rops在碰撞和沖擊變形不大的地面(如凍土、混疑土上、巖石)時,能具有相當大的抗連續沖擊能力;當車輛已經處于顛覆狀態時,已經變形的rops應能支撐住整車。落物保護裝置(簡稱fops ) ,其構件的布置方式要能遮蔽墜落的物體(如,樹木、巖石等) ,以便對司機提供適當的保護。本課題主要通過了解國內外有關對rops fops的研究情況和有關國際標的制定,對大型推土機傾翻和落物保護裝置進行研究,在分析的基礎上,通過建立rops fops的力學分析模型,推導彈、彈塑階段rops fops變形的計算公式,建立一套可行的rops fops的非有限元分析計算方法。
  3. This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results

    針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點,提出了一種利用模糊和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點,通過matlab模擬試驗,給出了能夠確確定數碼語音端點的初始和改進參數表;提出了利用基於預測編碼倒譜參數和差分預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統,在保證系統實時的同時,實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上,詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上,給出了連接漢語數碼語音識別的軟體設計各部分的流程圖,並對各部分進行了matlab模擬,並給出了模擬結果。
  4. Using the approximate ability to nonlinear function of neural networks, the adaptive frame of identification and controller are constructed. and the formula of jacobin matrix for unknown systems is given, which is used to train the neural networks controller in closed systems

    總結了bp神經網路的基本,把基於非數值優化技術的leven - marquardt方法用於bp網路辨識器和控制器的訓練,模擬結果表明該演算法能遠遠優于標bp類演算法。
  5. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要和復雜,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管模型的特點及缺陷,將數學規劃、數統計、隨機過程等與地下水變值系統相結合進行地表水地下水或多水源的聯合優化調度,使模型更確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管措施,外部條件主要是高層發展思路、管體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  6. In order to exactly grasp and thoroughly analyze national debt, the dissertation is divided into six chapters on the basis of a retrospect and pectination of the development of national debt and its corresponding theories. the main line of the thesis is to extend the room of loan and to realize the sustainability of national debt policy. the dissertation examines the issuing, using, circulating and paying of the national debt following the track of its circulation

    為了確把握和透徹分析國債問題,文在回顧和梳我國國債實踐和國債發展的基礎上,以拓寬舉債空間、實現國債政策的可持續為主,循著國債運行的軌跡,對國債從發行、使用、流通到償還的整個循環進行了考察,並重點探討了國債規模和國債政策的可持續問題。
  7. Two different kinds of approximate theories for analyzing colored noise are employed in the nonlinear system. then effects of the colored nature of the noise on the statistical properties of the laser system, the stochastic resonance of bistable system, and the steady - state probability current of quasi - periodic system are investigated

    本文主要通過兩種不同的色噪聲近似,分析了非系統噪聲的有色對激光系統的統計質、周期系統的定態幾率流和雙穩系統中的隨機共振現象的影響。
  8. For example, the pushover curve analysis has no way to consider the hysteretic energy and the energy dissipation in other ways, and to consider the material fatigue and the scathe in the structures " to - and - fro motion. the work done in this thesis is mainly as follows for trying to make better of the capacity - demand curve in existence : 1. confirm the factors those caused the discrepancy between the different capacity curves : the shape of lateral load distribution, assumption of member bars model, irregularity of the structures, p - effects

    為此,本文有針對地開展了一些工作:闡述了基於態的設計方法和基於位移的設計方法的相關概念及發展歷程;介紹了幾種現有的能力-需求曲法的原及分析步驟並剖析了它們的不足;列舉了影響能力-需求曲法計算的主要因素,通過算例比較分析它們各自的影響程度從而得出了其中最為重要的影響因素;針對已有的分析結提出了對現有能力-需求曲法的改進方案,通過算例分析驗證了改進效果。
  9. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    分析時,作者嘗試放鬆指數水平滿足隨機遊走過程的假設,推導出指數水平呈趨勢的資產組合選擇模型;此外,作者基於資產不可交易這一假設,提出了b股、 h股和非流通股等情形的資產定價模型,並基於系數、標差、標半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  10. So, in this paper, its main researches are to make use of both disequilibrium economics theory and chaotic economics theory to study the market price models ; according to the economic movement, to improve the traditional cobweb models and set up nonlinear and disequilibrium cobweb models, which are more accurate, scientific, and able to describe practical economy ; then to analyze commodity price fluctuation and stability on the established models with the change of the parameters ; finally to draw some conclusions

    據此,本文將非均衡及非混沌同時應用於市場價格模型中進行研究,對傳統的蛛網模型加以改進,從現實經濟系統運作的實際情況出發,建立更加確、科學,更能反映經濟現實的非非均衡蛛網模型,並對所建立的模型進行動態分析,研究了各種參數條件下價格波動的穩定問題,從而得到若干結
  11. According to based on lyapunov ' s mathematical definition of probabilistic stability, the cwr probabilistic stability criterion is proposed on the basis of the first - passage probabilities of stochastic processes

    基於李雅普諾夫意義的概率穩定概念,結合隨機過程跨越,提出了無縫路概率穩定判斷則。
  12. How to get the optimal fisher discriminant vectors efficiently in singular case is a very difficult and critical problem. in this paper, we try to solve this problem in theory

    該文從上解決了奇異情況下基於fisher則的最優鑒別矢量集的求解問題,為高維、小樣本情況下鑒別分析方法建立了一個統一的框架。
  13. It is based on the above reasons, the leading system of flood, windstorm, drought control and the construction of water conservancy information engineering and the principle of theory and practicality are combined. based on the continuous development the following contents are researched in this paper : 1. the flood occurred law on major rivers and flood problems and flood control measure

    正是基於這種考慮,本文結合廣州市三防指揮系統工程和廣州市水利信息化工程的建設,本著與實用相結合的原則,從可持續發展的角度,重點研究以下內容: 1 、廣州市主要河流洪水發生的規律及存在問題與防洪措施; 2 、廣州市現有防洪措施的防洪標與可靠; 3 、洪水預報與調度系統的方法與技術路; 4 、現代防洪管
  14. The principles of erasure codes used under binary erasure channels are summarized and erasure codes which belong to standard classes of rs codes are introduced with emphasis on cascaded low - density erasure codes with linear time encoding and erasure recover algorithms. thresholds of regular degree distributions are analyzed. it is shown that low - density erasure codes based on ( d, 2d ) - regular sequences of degree distribution are not close to optimal ( d 3 ). two pares of irregular degree distribution sequences are introduced and a pare of improved right regular sequences of low - density erasure codes are presented, it is testified that the new sequences are asymptotically quasi - optimal. in the meantime, simulations of cascaded low - density erasure codes based on a few types of special sequences of degree distribution available are given, together with performance analyses on these codes

    闡述了應用於刪除通道下的糾刪碼基本原,介紹了兩類標的rs碼類糾刪碼,重點分析了具有時間編碼和恢復演算法的漸近好碼?級聯型低密度糾刪碼,分析了正則度分佈的閾值,對正則低密度校驗碼在刪除通道下的糾錯能進行了模擬,從上證明了基於( d , 2d ) -正則度序列的低密度糾刪碼都不是漸近最優碼( d 3 ) ,同時還分析了非正則低密度校驗碼的度序列設計,基於右邊正則序列提出了一種改進型右邊正則序列,證明了此序列為漸近擬最優的,對基於幾類現有典型度分佈序列的級聯型低密度糾刪碼進行了模擬模擬及能分析; 3
  15. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板,將復合材料層板的彈問題化歸為均勻各向異板來求解;採用各向異體平面彈中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異板彈問題的級數解形式;利用雜交變分原,成功導出含橢圓核各向異板雜交應力有限元,並用算例驗證了該單元的可行和有效;採用含剛度折減橢圓形彈核的沖擊損傷模型,引入基於特徵曲和yamada - sun破壞則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結
  16. The concrete contents include : one background : with the comparison with the western countries, our compulsory education displays a strong government - oriented behavior, which is the root of success and potential failures in our compulsory education two clues : in " ought to be " level, it is " local quasi - public goods - - polycentri supply " and in " be " level, " pure public goods - - monopolized supply by government " one theoretic judgment : the separation of manufacture and provide in compulsory education, which gives the chance for polycentri manufacture of compulsory education one center point : to stick to the main responsibilities of government in providing and managing the compulsory education three contents : subject ( which ? ) : local governments are the responsibilities subject of compulsory education substances ( what ? ) : to ensure the compulsory education ' s public good from the nature, and compulsory education ' s development abilities of the whole local government from the quantity measures ( how ? )

    具體內容有: ?一個背景:在中西方義務教育比較出的基本特徵中表現出的強烈的政府驅動,我國義務教育所取得的成績和所蘊涵的危機都在於此?兩條索:應然層面上的「地方公共產品? ?多中心供給」和實然層面上的「純公共產品? ?政府壟斷供給(單中心) 」 ?一個判斷:義務教育的生產與提供的分離? ?義務教育的多中心生產的可能?一個中心:堅持政府在義務教育中責任的主要? ?提供與管?三項內容主體(哪一級政府) :根據博奕,地方政府是我國義務教育的責任主體內容(負什麼責任) :質上保證義務教育的公益,量上保證各地方在義務教育發展力上的均衡措施(怎樣負責人通過政府間的轉移支付保證義務教育中的程序正義,通過義務教育的多中心生產,把「麵包做大」保證義務教育中的實質正義當然,在此對本文內容的區分梳,只是一種思路的順序。
  17. Theory, methods and urgency of establishing the terrestrial stratotype are discussed based on the study of the stratotype candidate of terrestrial jurassic - cretaceous boundary, luanping, northern hebei province, compared with " revised guidelines " of the ics and stipulation of the international stratigraphic guide

    摘要從總結陸相侏羅白堊紀地層界的研究成果和工作方法入手,結合國際地層委員會「修訂則」和國際地層指南的規定,述了建立「陸相層型」的緊迫和方法。
  18. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠設計與可靠保障技術時,提出了石油測井儀器的可靠計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠保障技術及其使用方法:根據最新可靠,建立了石油測井儀器的可靠系統模型,探討了石油測井儀器的可靠指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處兩個方面,建立了數字濾波效果的評價則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處
  19. Quasilinear plasma theory

    等離子體
  20. On theory, the paper analyzed the coding gain of the channel coding. the character of our radio is the flexibility, standardization and modularization by application of software radio theory

    本項目主要的特點在於軟體無的應用所帶來的系統的靈活,並使電臺具有模塊化、標化和通用化的特點。
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