矩陣差分方程 的英文怎麼說

中文拼音 [jǔzhènchāfēnfāngchéng]
矩陣差分方程 英文
matrix difference equation
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 陣 : Ⅰ名詞1 （作戰隊伍的行列或組合方式） battle array [formation]: 布陣 deploy the troops in battle fo...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 矩陣 : [數學] matrix; array
  1. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的樣本點，由樣本點為變量的協方差函數構成的矩陣，當樣本點個數趨于無窮大時，證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  2. ( 1 ) the posterior distribution of the coefficient matrix, the precision matrix and covariance matrix, and their bayesian estimation under the matrix normal - wishart conjugate prior distribution. ( 2 ) the deduction of the predictive distribution, proved to be matrix t distribution. ( 3 ) the designs of bayesian multivariate mean value control charts in terms of the relationship between the multivariate wishart distribution and x2 distribution, the bayesian process capability index and its confidence lower limi

    通過多方程模型系統的統計結構，證明了矩陣正態? wishart先驗分佈是模型參數（ ， ）的共軛先驗分佈，研究了該先驗分佈下模型系數矩陣、精度陣和協方差陣的后驗分佈及其貝葉斯估計，對模型預報密度函數進行了嚴格的數學推導，並將其應用於多元質量控制領域，構造了貝葉斯均值向量聯合控制圖；結合wishart分佈與x ~ 2分佈之間的關系，設計與推斷了貝葉斯多指標過程能力指數及其貝葉斯置信下限。
  3. A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path

    本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討，在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型，推導出了一個通用的移動機器人堆積方程，在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解；使用muir和newman的運動學建模方法，推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法；在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析：推導了一種理論精度較高的航位推算演算法，並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬；最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路，較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題；本論文研究成果已在本實驗室所開發的樣機上得到實現，經過應用與考核證明其中的分析與設計是切實可行的。
  4. Based on the output - voltage error function, a novel time discrete modulation technique is proposed for matrix converters ( mcs ) and time - discrete difference equations of a mc circuit are derived

    摘要針對矩陣變換器調制方式的特點，提出了基於輸出電壓誤差函數分析的矩陣變換器離散調制技術，推導了基於時間離散和差分原理的電路方程。
  5. It plays a very important role in many application, according to the point of mathematics point, its mostly application originate from equations of mathematical physics, difference equations, markov process, and so on, its purpose is to solve the problems of solid, fluid, electromagnetic, microscopic particles, system control, and etc. in practical science research and engineer applications, such as, architecture project, research of aeronautics and astronautics, bioscience, computing physics and oil reconnoiter, many large scale generalized eigenvalue problems need to be solved

    它在很多應用中扮演非常重要的角色，從數學角度來看，矩陣特徵值問題的應用大多來自數學物理方程、差分方程、 markov過程等。目的是為了計算固體、流體、電磁、微觀粒子、系統控制等重大問題。在實際的科學研究與工程應用中，比如在建築工程、航空航天研究、生物科學、計算物理以及石油勘探中，都要涉及到大規模矩陣廣義特徵值問題的計算。
  6. Compared with currently fire control system, apsse has such characteristic as : highly precision, complex construction, high technique, etc. so this thesis expatiated in detail on the measuring theory of apsse, emphases on the discussion of system error and random error of apsse, deduced the three axis error of apsse usign the coordination transformation methods, provided the applying base for the measuring error equation of apsse. in this paper, we emphases on expatiating the basic theory of usign space coordination transformation in the measuring error equation of apsse

    因此，論文採用了空間坐標變換方法分析機載光電跟蹤測量設備在對目標進行測量、定位時空間坐標轉換關系，推導出從中心地平坐標繫到目標坐標系的變換矩陣，在此基礎上首先建立機載光電跟蹤測量設備的無測量誤差的位置傳遞方程和機載光電跟蹤測量設備的含有測量誤差的位置傳遞方程，為利用蒙特卡洛法分析機載光電跟蹤測量設備的測量誤差奠定了理論基礎。
  7. In this paper, we study inversionless lasing of frequency up - conversion in an open v - type system with incoherent pump. making theoretical analysis and numerical calculation by density - matrix equations of motion, we derive the conditions for the onset of lwi and discuss the effects of the parameters of the system, the detuning of driving field and probe field on the gain, and discuss nonlinear effect in the frequency up - conversion regime. we also give stability and transient analysis

    本論文研究了具有非相干泵浦的開放v型系統頻率上轉換無粒子數反轉激光，利用密度矩陣運動方程，通過理論分析和數值計算，得出該系統產生無粒子數反轉激光的條件，討論系統各參數的變化和驅動場與探測場的失諧對激光增益、色散和粒子數差的影響，還討論了頻率上轉換區域的非線性效應，分析了增益的穩定性及系統的瞬態演化過程。
  8. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  9. This criteria contains two parts. the first is to check the delay - independent stability of a class of multiple - delay linear difference systems

    這個準則包括判定一類多時滯線性差分系統的時滯無關穩定性和判定某個多參數矩陣特徵方程無非零純虛根。
  10. The essential idea was that an incomplete data set including missing values was partitioned into several fuzzy clusters by using local principle component with least variance, and through solving the general inverse matrix of the data to obtain the principle components of each sub - clusters, the missing values in clusters could be estimated based on local principal components utilizing a simple linear model

    其基本思想是，先利用具有最小方差的局部主成分，把包含有遺漏值的不完備數據集劃分成多個模糊聚類，然後通過求解廣義逆矩陣來獲得各個子聚類的主成分，最終在局部主成分的基礎上通過簡單的線性方程模型去佑計聚類中的遺漏值。
  11. By the help of matrix and difference equation, we give an expression of likelihood function of normal distribution ma ( 0, 1 ) sequence, which has important application in mordem control theory

    藉助矩陣和差分方程，具體給出了在實際中具有重要應用的一類數學模型? ?正態ma （ 0 ， 1 ）序列的似然函數的一種顯式表示，即具體表示成了模型參數的函數
  12. In the late 30 or 40 years, many scholars have a lot of studies on a seemingly unrelated regression ( sdr ) system with two linear regression models, and some important results are obtained : zellner ( 1962 ) put forward two - stage estimator ( tse ) ; based on zellner " s, lin chun - shi ( 1984 ) obtained the sufficient and necessary condition of two - stage estimator ; chen chang - hua ( 1986 ) discussed the tse and its optimalities without any condition for designed - matrix x ; ulteriorly, wang song - gui and van li - qing ( 1997 ) obtained an iteration sequence of estimator by using the covariance - improved approach ; liu jin - shan ( 1994 ), li wen and lin ju - gan ( 1997 ) generalized the covariance - improved estimator respectively

    半相依回歸系統是由兩個誤差項相關的線性回歸方程組成的系統。近三、四十年來，已有很多的學者對這類半相依回歸系統進行了大量的研究，作出了十分重要的成果： zellner （ 1962 ）提出了所謂兩步估計法；在其基礎上，林春士（ 1984 ）得出了兩步估計的充要條件，陳昌華（ 1986 ）討論了對設計矩陣不作任何要求的兩步估計及其優良性；進一步地，王松貴、嚴利清（ 1997 ）利用協方差改進法獲得了參數的一個迭代估計序列，劉金山（ 1994 ） ，李文、林舉干（ 1997 ）則分別對協方差改進估計進行了推廣。
  13. First of all, the algorithm base on the boundary problem of helmholtz equation and finite - difference technique, calculate the field in “ cold ” cavity and disperse the helmholtz equation, as a result of the formula : ax = x. secondly, according to the eigenvalue of matrix theory and applied iterative methods, eigenmode adopt a numerical approach which allows the improved chebyshev polynomial iteration which based on the power method to extract the isolated eigenmode in the spectrum. finally, we resolve the problem of compatibility in software and insert the eigenmode module into the chipic which will have the function of eigenmode analysis

    具體的說: （ 1 ）首先以電磁理論中的亥姆霍茲方程的邊值問題理論和計算電磁學中的有限差分法為基礎，計算冷腔中的場分佈並離散亥姆霍茲方程，得到標準的本徵值問題: ax = x ; （ 2 ）然後根據矩陣理論中的eigenvalue問題和數值計算中的迭代方法，採用改進后的chebyshev多項式，在power迭代法的基礎上對ax = x進行多項式迭代，實現對頻譜中孤立本徵模的萃取; （ 3 ）最後將用fortran語言編制的eigenmode模塊加入到chipic軟體中，解決了eigenmode模塊與chipic主代碼的兼容問題，從而實現了chipic軟體的模式分析功能。
  14. Study work mainly is : part one, look back and look ahead the financial development history and present situation that derives market and the futuristic tendency, summarize domestic and international theory and method about venture capital investment, discuss establishment and develop the financial necessariness and important meaning of our country that derives market ; part two, establishthe relation between investment risk and the radom expectation effectiveness of investor ? verage stochastic dominance of asset profit ; part three, covari - ance matrix in mean - variance model is analysed with sensitivity analysis and fuzzy analysis ; part four, have looked back the concept of option, the price relation of option and black - scholes option price formula, have put forward option price formula of the discounted value of option present value ; part five, have looked back the financial concept and its classfication that financial derivatives risk, have summarized financial risk management theory, measured and assessed methods of financial derivatives risk

    主要研究工作為：第一章，回顧和展望金融衍生市場的發展歷史、現狀和未來，綜述國內外關于風險投資的理論與方法，論述建立和發展我國金融衍生市場的必要性及重要意義；第二章，建立投資者的隨機期望效用與投資風險之間的關系? ?平均隨機占優；第三章，均值方差模型協方差矩陣的靈敏度分析與模糊分析；第四章，回顧了期權的概念、期權的價格關系和black - scholes期權定價公式，提出了歐式看漲期權價格的折現值所滿足的微分方程；第五章，回顧了金融衍生品風險的概念及其分類，總結了金融衍生品的風險管理理論和金融衍生品風險計量和評估方法。
  15. Much work has been done in this paper : ( 1 ) have analyze the principle of fiber optic gyro ( fog ) and strap - down inertial system, and investigate the typical arithmetic of the attitude matrix. ( 2 ) have settled a set of platform to do experiment, have programmed the data logging and processing software, have done experiment to analyze the properties of applying the fog inertial system in the measurement

    本文從該方法的原理、實驗設計和分析探討等方面詳細闡述了用捷聯式光纖陀螺慣性系統測量三維物體形變的新方法，提出了適用於工程測量的解算姿態矩陣方法，總結了減小測量誤差的幾個方面，根據工程實際對測量系統要求提出了改進意見，對實際的工程測量應用起到了積極的作用。
  16. The fft of helmholtz equation on the regular domain is studied. and the multifrontal algorithm is used to solve the matrix equations in computational electromagnetics. finally, the finite - difference approximate forms of maxwell equations and the despres transmission condition are discussed

    為了充分提高演算法的計算效率，研究了規則區域上helmholtz方程的fft快速演算法，以及有效地將多波前演算法引入計算電磁學領域用於求解差分稀疏矩陣方程。
  17. It comes up with a new notion, d - solution, which is applied to the distance estimation, by virtue of hilbert space ; furthermore, the dissertation has gained a necessary condition which is identity of minimum mean - square value in linear function classes, so that d - solution extends minimum mean - square value within the domain of nonlinear function equation or equation system ; and, the dissertation studies in detail the classical moment estimation and maximal likelihood estimation on the parameters of ar ( p ), a series of theorems in the estimation section shows the moment estimators are consistent on the ground of large samples jikewise, those distribution functions of the estimated parameters accord to maximum likelihood estimation converge gauss distribution if the white noise is gaussan

    首先，藉助hilbert空間理論，提出了距離估計的d -解，給出了d -解的必要條件，這個條件在線性函數類里即是極小二乘估計法， d -解的必要條件滿足的方程實質上將極小二乘估計法推廣到多函數及非線性函數類。再而，詳細地研究了多元弱平穩序列自回歸模型ar （ p ）的參數經典的矩的替代估計和極大似然估計，獲得矩的替代估計的一致性的結果。對基於gauss白噪聲假設多元弱平穩序列自回歸模型的均值、白噪聲的協方差陣的極大似然估計都有依分佈收斂到多元正態分佈的統計性質。
  18. The ordering process, the integer ldlt factorization and the ambiguity screen are three parts of the osd. the osd is based on diminishing the condition number of covariance matrix

    Osd處理過程包括排序、整數ldl ~ t分解和模糊度篩選，該演算法的去相關處理過程，是以降低協方差矩陣的條件數為準則。
  19. Meanwhile, we also study the convergence behavior of iterative detection in different methods, which are the proposed average source entropy and the covariance matrix perturbation characterized by the variations of its dominant eigenvalue as well as the conventional approach based on the mutual information

    為了分析迭代譯碼的收斂特性，本文從不同角度出發，在研究了傳統的互信息方法的基礎上，本文首次提出並使用了平均信源熵和用協方差矩陣最大特徵值表徵其抖動這兩種方法，使迭代過程的收斂分析變得簡單方便。
  20. In this paper, the method composing the characteristics of methods of critical success factors, strategy set transformation and business system planning is put forward for the appraisal of programming content of enterprise ' s informatization construction. in this method, critical success factors can hold the crucial factors of enterprise informatization construction, strategy set transformation can comprehensively consider informatization construction factors, and business system planning is independent with the business process. the method of analytic hierarchy process is advanced to appraise the programming steps of enterprise informatization construction, and the corresponding multilevel structure model and judgement matrixes are advanced

    本文針對目前企業信息化建設中普遍存在的信息化整體規劃差，各部門各自為政的現象，提出了運用關鍵成功因素法、戰略目標集轉化法和企業系統規劃法相結合的方式進行企業信息化規劃內容的評價的方法，充分利用了關鍵成功因素法抓住關鍵因素、戰略目標集轉化法全面規劃、企業系統規劃法與企業業務過程相獨立的特點，進行了企業信息化規劃內容的綜合性評價；利用定性與定量相結合的層次分析法（ ahp ）對企業信息化規劃的步驟進行了評價，建立了相應的多級遞階結構模型和判斷矩陣。
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