dimension variables 中文意思是什麼
dimension variables
解釋
標注變量-
In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。 -
One is the sectional dimension, which involves knowledge, skills and affective factors ; the other is the longitudinal dimension, which covers three types of academic achievement : fundamental academic achievement, developing academic achievement and creative academic achievement. in terms of the implementation of the evaluation, it concentrates on the process and analysis of data, which covers three types of analysis : the descriptive analysis of the overall result, the analysis of variation, and the analysis of the relevance of some variables. the first type of analysis analyses scores of students in di fferent grades on the basis of various items of indexes in the testing part and the affective testing part
評價方案的實施重點在於數據的處理與分析，包括總體描述性分析（以年級為單位，分析學生在測驗部分和情意部分各項指標上得分情況；分析學生的總分（學力測驗分+學力情意評價分）的分佈情況） 、差異分析（分析學力情意部分是否存在年級間的差異；分析學力情意部分是否存在重點班與平行班之間的差異；分析學力是否存在性別差異）和相關分析（分析同年級內，基礎學力、發展性學力和創造性學力之間的相關程度；分析學力情意部分與學力測驗部分之間的相關程度） 。 -
A real physical system may involve many variables but only one or more of them can be detected by modem data collecting equipment in recent years, the technique of phase space reconstruction is frequently applied to analyse and process time series. its significance is that the topological characteristics such as fractal dimension can be obtained, on the basis of investigation and research about the technique of phase space reconstruction up - to - now, this paper is also devoted to develop a new method for the prombles of detecting deterministic chaos of time series obtained from experimental data
一個實際的系統可能會涉及多個相變量，但在實際問題中只能得到部分相變量的信息，近年來人們發展了相空間重構方法，能夠通過單變量信息重構吸引子，這種方法在時間序列分析和處理中得到廣泛應用，其意義在於能在拓撲等價意義下恢復吸引子的拓撲特徵，本文第三章在國內外有關時間序列的相空間重構研究狀況基礎上，致力於發展對時間序列進行確定性檢驗的新方法，即研究時間序列的分佈規律和赫斯特指數，並在相空間重構的基礎上，提取吸引子的特徵指數。 -
Many factors regarding the modifying coefficients of circular and rectangular section are analyzed : ( 1 ) it is theoretically proved that the diffusion coefficient of cl - in concrete is dependent of modifying coefficients ; ( 2 ) through analysis of the results of numerical value calculation, it is discovered that the relation between the modifying coefficients and the thickness of protection layer of concrete is linear, from which the function expression of these two variables is gain ; at the same time, the influence on modifying coefficient of the radius of circular section and the thickness of cl - on the surface of concrete ; based on these, practical calculating method of beginning corrosion time of steel of circular section is set up ; ( 3 ) to rectangular section, the diffusion of cf in concrete is two - dimension diffusion
討論了影響矩形截面以及圓形截面修正系數的因素： （ 1 ）從理論上證明了氯離子在混凝土中的擴散系數與修正系數無關； （ 2 ）通過圓形截面數值計算結果的分析，發現圓形截面修正系數與保護層厚度基本成線性關系，並建立了二者之間的聯系；分析了圓形截面半徑、混凝土表面氯離子濃度對修正系數的影響，從而建立了圓形截面鋼筋初始銹蝕時間的實用計算方法； （ 3 ）在矩形截面氯離子侵蝕下，混凝土處於二維擴散狀態。本文通過計算分析，證明二維擴散的影響區域從邊角開始向中間逐步擴散，並證明了二維擴散影響區域依賴于氯離子擴散系數與氯離子擴散時間的乘積。 -
Secondly, the basic principle on optimal design of structure is presented. based on the characteristics of aqueduct - stayed optimal design, cable optimization, aqueduct body selection optimization and aqueduct body vertical section optimization are included. the prestresses of cable - stayed, the dimension of aqueduct and the number of reinforcing steel bar are chosen as the design variables
根據斜拉式渡槽優化設計的特點，本文將槽身優化分為索力優化、槽身橫斷面優化以及槽身縱斷面優化三個方面進行優化設計，確定斜拉索預應力、槽身斷面尺寸、槽身橫向及縱向預應力鋼鉸線配筋數量等槽身設計的主要變量。 -
( 4 ) some nonlinear variables are good index for analyzing and forecasting stock market. examples involved are following : hurst index ( h ) substitutes for variance to evaluate risk in securities investment ; dynamic fractal dimension is a prior indicator of price movement
（ 4 ）某些非線性變量可作為分析和預測股票市場的很好指標，如赫斯特指數h值可用來取代方差作為衡量證券投資風險的標準，而動態分形維則可作為市場價格變化的先行指標。 -
Based on simulation, 2 - dimension fuzzy control system was researched, which was used to control two correlative variables of circulating fluidized bed boiler " s combustion control system
本論文在模擬的基礎上，研究用二維模糊控制實現流化床鍋爐燃料量控制系統的兩關聯變量的控制。 -
The novel optimization algorithm, genetic algorithm popular these years, is introduced. genetic algorithm has the characteristics of multi - point searching, parallel computing and self - adaptive global optimization. so it is very suitable for the solution of complex engineering problems, which often have numerous variables, high dimension, highly nonlinear optimization objects, and the great solution spaces
引入了近幾年興起的新型優化演算法? ?遺傳演算法，其具有多點搜索、并行計算和自適應全局尋優的特點，特別適用於求解離散型設計變量多、維數高、優化目標高度非線性、解空間十分龐大的復雜工程問題。 -
This article gets some good results on the random fields of dependent random variables on the base of the studies of one dimension integer random variable serials with extending it to a tree
本文就是在一維整值隨機變量序列研究的基礎上，將之推廣到樹上，得到了一些關于相依隨機變量隨機場的結果。 -
Quantum information was originally investigated with the discrete variables ( dv ) and was recently extended to the continuous variables ( cv ) system in the infinite dimension hilbert space
量子信息最早起源於研究單粒子分離變量系統，近期擴展到具有無限維希爾伯特空間的連續變量體系。 -
Multi - dimension data is transformed to the analysis of statistical variables as t2 statistic, q statistic and statistical control charts. 3
? 3 、介紹了基於子空間的狀態空間系統辨識概念、原理和優點。 -
Compared with the svspc and its problem and shortage, the main statistical variables and technique of mspc are emphasized. multi - dimension data is transformed to the analysis of statistical variables themselves basing on these statistical variables 4. basing on the model of synthesizing of phosphonic acid dimethyl, we realize the mspc on this process through simulation
通過與單變量統計過程式控制制對比，指出其所固有的局限和問題，概述和總結了多變量統計過程式控制制中的主要統計量和基本分析處理方法，通過各種統計量，將多變量的多維數據轉化為對統計量本身的單變量處理，對實際過程的監控提供了方向。 -
Factor analysis method is applied on the 31 - dimension vector to get independent variables
本文對31維特徵向量運用因子分析法，得到了7個彼此獨立的公因子變量。 -
3. single - variable spc and its disadvantages are pointed out, then some statistical variables and techniques of mspc are emphasized. multi - dimension data processing is transformed to the analysis of a single statistical variable by defining different statistical variables
3 、介紹了單變量統計過程式控制制方法及其所固有的局限性，概述和總結了多變量統計過程式控制制中的主要統計量和基本分析處理方法，為對實際生產過程的監控提供了方向。 -
This paper studies the chemical data pretreatment and describes the contents and methods in various phases of data pretreatment such as secondary variables selection, data acquisition, data reconciliation, and input data dimension reduction
摘要對化工數據預處理問題進行了研究，闡述了化工數據智能建模中輔助變量選擇、數據採集、數據校正、輸入數據降維等各種數據預處理的思路與方法。 -
Based on the literature review this study classifies the variables in four dimensions : borrower characteristics dimension, loan characteristics dimension, property characteristics dimension and regional characteristics dimension. 19 variables such as borrower ’ s age, loan - to - value etc enter these four dimensions. using the statistics software spss10. 0, this study conducts descriptive statistics, factor analysis, discriminant analysis and logistic regression
結合國內外研究經驗以及樣本數據，本文從借款人特徵、貸款特徵、房產特徵、區域特徵四個維度，選取了性別、年齡、貸款金額、貸款價值比、住房總價值、房價指數等19個變量，利用spss10 . 0統計軟體中的描述性統計、因子分析、判別分析、邏輯斯蒂回歸分析對個人住房抵押貸款違約風險的影響因素進行了實證分析，並在分析中區分了實質性違約和逾期。 -
The basic principle goes like this : taking the multivariate data during the complex production process as input - output information to study, extracting the variables which plays an important role on production result, and then expanding to high - dimension measurement space
基本原理是：將復雜生產過程的多元數據作為輸出一輸入信息進行研究，從眾多的變量中抽取出對生產結果起重要作用的變量，並依此張成高維測量空間。 -
Abstract : based on the integral creep constitutive relations of viscoelastic material with damages, a new increment finite element method to solve stress, strain and damage variables is developed by using equivalent stresses, three - dimension damage field can be analyzed and coupling stress and damage field can be solved by using iteration method
文摘:基於損傷的粘彈性材料積分蠕變型本構關系，建立了求解應力應變和損傷變量的一種新型增量型有限元法，引用當量應力，可以分析三維損傷場，採用迭代法求解相互耦合的應力和損傷場。 -
Two primary mathematical tools used in this dissertation are principal component analysis ( pca ) and blind signal analysis ( bsa ), which are both data - driven methods. pca is not only used as feature extracting method ( where process variables are subjected to multivariate normal distribution ), but also as a tool for dimension reduction ; bsa is used to extract independent features or process blind source signals from process information in information theory sense, which is more effective than pca in describing the process
主元分析方法不僅作為一種過程特徵的提取方法（在過程信息服從多元正態分佈的情況下） ，而且也作為一種過程數據降維的主要工具（在過程盲源信號提取的情況下） ；盲源信號分析是從信息論的角度，從過程信息中提取出盡可能獨立的過程特徵信號或過程原始信源信號，它具有比主元分析更好的刻畫過程運行特徵的性能。 -
Relevant dimension and the number of substantial state variables which are main factors influencing foundation - pit deformation, are calculated with measured time - sequence data of the settlement, the displacement of several foundation - pits, the number of substantial state variables is far less than that of the factors influencing foundation - pit deformation, the work of nonlinear numerical analyses is greatly reduced, it is of important theoretical and practical significance in guiding design and construction of deformation control
通過多個基坑實測沉降、位移、隆起量時序數據的關聯維數和實質性狀態變量個數即基坑變形主要影響因素個數計算，結果其個數大為減少，極大地減少了數值分析的工作量，對指導變形控制設計和施工具有重要的理論和實踐意義。
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