隨機線性文法 的英文怎麼說

中文拼音 [suíjīxiànxìngwénfǎ]
隨機線性文法 英文
stochastic linear grammar
  • 隨 : Ⅰ動詞1 （跟; 跟隨） follow 2 （順從） comply with; adapt to 3 （任憑; 由著） let （sb do as he li...
  • 機 : machineengine
  • 線 : 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 文 : Ⅰ名詞1 （字） character; script; writing 2 （文字） language 3 （文章） literary composition; wri...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 隨機 : random stochasticrandom
  • 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...
  • 文法 : grammar文法學 grammar
  1. By using the yearly data of water - sand that is gotten by a couple of adjacent hydrologic station in yellow river lower reaches, this paper makes use of kinds of math methods looking for the nonlinear disturbance among all of the factors, and introduces the thinking of analysis, logic, conclusion, inference, and random to nonlinear hydrologic forecasting. it realizes the valid approximation of the water level process in erodible - bed channel

    本文選擇黃河下游兩對相鄰水文站多年水沙資料，藉助多種數學方法尋找其中的非線性擾動項，將隨機數學中分析、邏輯、歸納、演繹、隨機的思考問題方式引入到非線性水文預報中，實現沖淤河道相應水位過程的有效擬合。
  2. 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性，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線性關系，本論文經細致的理論分析，將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合，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，實現了這一典型非線性關系的高精度擬合，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準確預報的困難所在及改進方向。
  3. 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，論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理論的內容和意義，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性和復雜性，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線的分析，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理論相結合，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理模型的特點及缺陷，將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度，使模型更準確、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論文前言、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，可操作的資源管理措施，外部條件主要是高層發展思路、管理體制的變革、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。
  4. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  5. In addition, the computer method is proposed to get the stochastic pile capacity and the random optimum analysis is done in virtue of the genetic algorithm which can easily think over the influence of the randomness of pile capacity on the internal force of capping beam based on the thorough analysis about the primary factors influencing the randomness of pile capacity. an optimization program is worked out for the analysis which can consider the pile - soil - cap interaction and the non - linear character of the foundation soil

    此外，本文對影響基樁承載力差異性的主要因素進行了深入分析，提出了基樁承載力隨機生成的計算機方法，並採用遺傳演算法對承臺梁內力進行隨機優化分析，可方便地考慮基樁承載力隨機性對承臺梁內力的影響，並開發出能考慮樁?土?承臺共同工作及地基土非線性特性的樁基承臺梁內力優化分析程序。
  6. 15 naor m, reingold o. on the construction of pseudorandom permutations luby - rackoff revisited. journal of cryptology, 1999, 12 : 29 - 66. 16 naor m, reingold o. from unpredictability to indistinguishability : a simple construction of pseudo - random functions from macs

    Luby和rackoff是假定每個輪函數是隨機的，不考慮輪函數的設計而本文僅假定camellia演算法的非線性模塊是隨機的，降低假設條件，這樣假定更接近演算法本身的特性。
  7. Considering the one - sidedness and inaccuracy of knowledge discovery only from single - color database, an approach is proposed to discover knowledge from 1331 groups of mix - color database with partial least - square regression, based on measuring and learning 400 groups of single - color database. by this method, the mean error decreases when converting from rgb to cmyk, the precision of color matching is improved, and the automatic and general problem in color matching is further solved

    本文基於統計學習理論構造了一種快速自適應隨機搜索演算法，證明了演算法的收斂性.給出了一種簡易實用的寬帶天線匹配設計新方法.應用該自適應演算法進行天線匹配設計，不僅演算法簡單，易於編程實現;而且能夠快速設計出具有較好性能的匹配網路，非常適用於各種短波、超短波天線的匹配設計問題
  8. According to these accomplishments, several techniques are expounded emphatically in this paper, including 3d refraction statics, coherent noise suppression by prestack wave field separating ( prestack fx noise attenuation ), 3d prestack multiple domain random noise attenuation, multiples attenuation, nmo of unsymmetrical hyperbola, dynamic replacement of wave equation, surface - inconsistent residual static, super bin stacking, poststack depth migration and prestack depth migration. all the techniques have been applied in seismic processing of 2d, 3d and wide - line profiling and obtained good results

    本文根據項目組研究成果，重點閘述了三維折射波靜校正技術，疊前波場分離相干噪音壓制方法（疊前fx去噪） ，疊前三維多域隨機噪音衰減技術，多次波衰減技術，非對稱雙曲線動校正技術，波動方程動態替換技術，非地表一致性的剩餘時差靜校正技術，超面元迭加處理技術，疊后深度偏移處理，疊前深度偏移處理等。
  9. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概率抽樣方法，它們的估計量、估計量的方差及其估計，其中包括有放回ppz及pps抽樣，不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj ， murthy 、 rao - hartley - cochran等人的方法；其次，在rao和bayless兩人就樣本單元數n = 2的情形對上述抽樣方法進行比較的基礎上，將總體隨機地分成兩個子總體，視每個子總體取自不同的線性超總體，在文中，我們利用計算機實現隨機分組，並通過畫圖比較各方法估計量的穩定性，結果表明，對變異系數c . v . （ x ）較大的總體而言，兩個超總體之間的微小差異將對估計量的穩定性產生很大的影響，從而說明rao和bayless的比較結果還不夠完善。
  10. After studying the prediction method and considering the complex, random and nonlinear factors that affect the demand load of heating, the ann technology is adopted. different from the general analysis in technology and economy, it is for the first time to combine the prediction in method of artificial neutral network with optimization in use of dynamic planning principle for the running analysis of the electric boiler

    考慮到影響供熱採暖需求負荷的因素復雜且具有隨機性和非線形性，在對預測理論進行研究和對各種預測方法進行比較后，本文首次將基於人工神經網路的負荷預測與基於動態規劃原理的優化方法相結合，用於蓄熱式電鍋爐系統的經濟運行策略研究。
  11. In fact, hydrology system is dominated by the objective factors, such as weather, geography and human activities, with combination of determinacy and randomness. the chaotic analysis method combines determinacy and randomness, which seems more adaptive to describe hydrologic time series than conventional hydrologic methods, and becomes more and more attractive recently

    本文打破以往傳統分析中單一的確定性分析或隨機性分析，在水文日流量時間序列中，引入將兩者統一起來的混沌性，系統地研究了水文流量的混沌非線性時間序列法。
  12. In this paper i calculate the reasonable possession quantity of port handling machineries with chance - constrained linear programming. first in the paper is the background and meaning of this research ; then analysis present situation of port machinery management both in practice and theory ; in chapter 3, i qualitatively discusses characters influencing machinery quantity, which include lifting ton, intact rate and using rate, age of machinery, machinery purchase and working cost and so on. in chapter 4, i take the influencing characters to mathematic model of chance - constrained linear programming, aiming to maintain the need of production and reduce machinery cost

    文章首先介紹了選題的背景、意義以及主要工作；第2章介紹了港口機械管理在港口企業管理中的地位與作用，以及我國港口機械設備管理與配置現狀，並簡要介紹目前港機合理擁有量的理論研究方法；第3章從技術與經濟角度定性分析了各種因素對港機擁有量的影響，其中主要包括機械起運量、完好率與利用率、機械設備役齡、購置與營運成本等；第4章將各種影響因素引入模犁，提出以完成生產任務、機械成本最低為目標，應用隨機線性規劃模型計算港口流動機械合理擁有量的方法；第5章以大連港大港區為例對模型進行應用，選擇四種型號叉車為研究對象，對其歷史經濟與技術數據進行統計分析，其中重點對隨機變量單位臺時維修費用進行了正態分佈擬合。
  13. The non - linear inversion methods are developed to overcome the difficulties met when the linear inversion methods are used in the geophysical inversion problems. this paper presents the simulated annealing is hopeful for the inversion problem of resistivity map reconstruction. due to the slow speed caused by the global searching, so for, the method is limited in the processing the 1 - d model

    為了克服像傳統線性反演方法中解易陷入局部極小的不足，本文採用了模擬退火這種非線性方法實現了高密度電法一維反演，初步取得到較好反演結果，但由於它隨機搜索全局解空間，計算量非常大，因此目前主要應用於一維地電結構的反演。
  14. Therefore, basic methodologies for stochastic seismic and filtering responses of nonlinear structure are studied, the approximate solution methodologies and their practical applications are investigated in the dissertation employing equivalent linearization and moment equations method based on fpk equations and ito stochastic differential equations

    因此，本文基於fpk方程和伊藤隨機微分方程，研究了滯后結構物的隨機地震反應和隨機濾波問題的基本方法，並利用等效線性化法和矩方程法，研究了非線性結構隨機地震反應分析和隨機濾波分析的近似解法及它們的工程應用。
  15. Based on the theories of nonlinear finite element monte - carlo stimulation techniques, mathematical methods for generating uniformly distributed n ( 0, 1 ) random numbers are described. a comprehensive evaluation method for uniformly distributed random number is presented. some good seeds have been selected out that can be used to generate uniformly distributed random sequences with better performance

    本文以非線性有限元理論和蒙特卡洛隨機模擬理論為基礎，描述了均勻分佈的n （ 0 ， 1 ）隨機數產生的數學方法，並編制了計算機程序，對由軟體產生的均勻分佈序列的隨機數性能進行各種檢驗，檢驗成果是良好的，可用於產生各種概率分佈的隨機變量值。
  16. In order to find out the speciality of the hysteretic system under random excitation, random responses and model parameters of hysteretic system were studied by the method of stochastic equivalent linearization and mento - carlo simulation

    為了更好地了解在隨機激勵作用下遲滯阻尼振動系統的動力學特性，本文將隨機等價線性化法與monto - carlo法應用於遲滯阻尼振動系統隨機響應分析並對該系統的參數特性進行了初步的研究。
  17. Then taken four kinds of maps for examples, comparing with m - sequence, their properties are calculated, verifying the advantages of the chaotic sequence generated by the new method. after this, an improved scheme is discussed - - using m - sequence to change the sequence ’ s turn and verifying that the permutation parameters have effect on improving the sequence ’ s properties. in chapter 5, monte carlo simulation method is used to test performances of our sequences ’ applications in the given model of direct spread spectrum cdma system, and results of error rate of the system are given ; the comparing resuls of performances of anti - multi - access interference and anti - multi - address interference of different pn sequence is also shown in this thesis

    本文首先對擴頻通信中常用二進制偽隨機序列的產生方法、性能特點進行了總結，指出了現有二進制偽隨機序列的應用局限性;其次，根據混沌非線性系統特徵，深入研究了混沌數字序列的產生方法;在此基礎上，提出了一種新的產生方法中間抽取法，然後，以四種混沌映射系統為例，對其所產生的混沌數字序列進行了偽隨機特性實驗數據分析，並與m序列進行比較，結果說明了混沌數字序列代替傳統擴頻序列的優點，同時驗證了新方法的可行性。
  18. It is shown that randomized algorithms can decrease the computational complexity dramatically instead of seeking worst case guarantees. in addition, examples in this paper show that employing randomized algorithms is very efficient and has obvious advantages especially when uncertain interval parameters appear multilinearly or nonlinearly in the characteristic polynomial coefficients

    研究表明，在不考慮最壞情況的意義下，隨機化演算法可以顯著降低計算復雜性，另外，當不確定區間參數以多線性或非線性的方式出現在特徵多項式系數中時，採用隨機化演算法具有明顯的優點並且是非常有效的，文中給出了計算實例。
  19. In the first part of the thesis, we generalize the unified approach to the evolutionary random response problems of a deterministic system ( the unified approach in brief ), to a random linear system in the following ways

    論文前一部分將確定性系統中的統一解法，全面推廣到隨機線性系統中去，具體地作了三個方面的工作。
  20. The work in this dissertation mainly consists of two parts. in the first part, the dynamic response of nonlinear structures with uncertain physical parameters is studied by means of subsection linearization method and equivalent random systems method, separately. in the second part, a method for analyzing the response of viscoelastic structures with uncertain physical parameters is proposed, with fem in space domain and discrete method in time domain

    本文的研究工作主要由兩個部分組成；第一部分是分別用分段線性化方法和等效隨機系統方法對含隨機參數非線性結構動態響應統計量的求解；第二部分是建立了用擴階隨機有限元方法求解含隨機參數粘彈性問題的計算模型。
分享友人
分享到 Line

分享到臉書