弱矩陣 的英文怎麼說
中文拼音 [ruòjǔzhèn]
弱矩陣
英文
weak matrix-
Under some natural weak assumptions that do not require the technological coefficients matrix is indecomposable, the fact that the dynamic input - output system is not asymptotically stable and the closed dynamic input - output model exists a balanced growth solution is proved
利用矩陣特徵值理論和廣義系統理論，在相對弱的條件下（不需要直接消耗系數矩陣不可分解） ，證明了動態投入產出系統不是漸近穩定的。With this understanding, the advancing analysis method of the steady - state voltage stability integrated the continuation power flow analysis, the system jacobi matrix eigenvalue structure analysis and the correlative sensitivity analysis, provided the comprehensive and veracious informations about the steady - state voltage stability of power system under the future operating state, these informations - included the margin of stability, the weak buses, the crucial branch and the crucial generator
提出了將連續潮流演算法與系統jacobi矩陣特徵結構分解法以及相關的靈敏度方法相結合的靜態電壓穩定預測分析方法，這種方法可以提供關于系統在未來運行狀態下的靜態穩定性信息：系統穩定裕度、系統中的薄弱區域、關鍵支路與關鍵發電機。This relating matrix not only truly reflects the relationship among variables, improves its expressing ability for the relationship among variables, but also provides a feasible strategy to promulgate quantitative information in grey qualitative simulation ( gqsim ) process
這種關聯矩陣不僅客硯地反映了變量關聯性的強弱，提高了對變量關聯性的表示能力，也為灰色定性模擬過程中定量信息傳播提供了一種可行的策略。Then, in the light of the characteristic, based on the tikhonov regularization theorem, two new regularizers are designed to mitigate the ill - condition of the normal matrix in gps rapid positioning
基於tikhonov正則化原理，針對這種特性，設計了兩種正則化矩陣r的構造方法。通過新的正則化矩陣的作用，減弱了法矩陣的病態性。Analyze the linear dipole array with uniform element spacing using the method of moments ( mom ), derive the analytical expression for the recovered signal with the direct data domain method, demonstrate the effect of the mutual coupling on the performance of the antenna array by examples, the degradation of the system caused by the mutual coupling is simulated and analyzed in two different electromagnetic environments such as the weak and strong interference
用矩量法計算了幾個信號同時照射時對稱陣子均勻直線陣的電流分佈，用直接數據域演算法推導了此接收陣列的恢復期望信號的表達式，舉例說明了互耦對陣列天線性能的影響，數值模擬了在弱干擾和強干擾下，互耦造成系統性能下降的情況並分析了原因。Based on the analysis of external and internal enviroment of cpic " s products. it " s forwarded the differnization through swot under cheap cost should be adopted by chongqing polycomp international corporation for its fiberglass products competion and development strategy. hence cpic should enlarges its production scale gains scale benefit, strengthens its international distribution and construction of domestic sales net, establishs the first class r & d center, wenkens its sizing sales
在對該公司玻璃纖維產品內外環境分析的基礎上，作者用swot矩陣提出該公司玻璃纖維產品的競爭和發展戰略是應該採取較低成本的差異化戰略，為此，該公司應擴大生產規模以獲取規模效益、加強產品的國際化營銷和國內營銷網路的建設、建立一流的技術研究開發中心、弱化浸潤劑產品的銷售。A important result is the one - orde r expression of ar ( p ) yt = dyt - 1 + e, from paralleling a high - order differential equation transformation into a one - order differential equation system, the one - order expression exposes that the ar ( p ) is only a certain more - multivariable power series process and, if a process is described as an ar ( p ), the sufficient and necessary condition is the spectrum norm a of the coefficient matrix d less than one. simplification of ar ( p ) not only brings about orthogonal f ( h ) but also provides global foretelling formula
作者用高階微分方程化一階微分方程組的方法，獲得多元弱平穩序列p階自回歸模型的一步滑動平均表達式，證明了ar （ p ）的是一個更高維的冪級數的線性過程，從而，說明了ar （ p ）關于序列依概率成立的充要條件是：該模型更高維的冪級數的線性過程的表達式中系數矩陣d的譜范數1 。At the same time, it compares the enterprise with the famous enterprises about this industry and representational enterprises in this area and comes to the status in the industry and the weakness
同時根據競爭態勢矩陣（ cpm ）理論，使企業與本行業知名企業和本地區代表性的醫藥企業進行對比，得出在行業中地位以及薄弱環節。Theses matrices are finally used to derive hierarchical single ranking weights and composite ranking weights of elements, by which the ranking of alternatives to be evaluated is obtained. constructing judgment matrices to reflect the relative importance of compared objects ( e. g
這種智能結構控制的實質就是找到一種智能結構，來強調多數專家通過判斷矩陣所提供的信息的作用，弱化少數專家所提供的信息的影響。The condition of state feedback is that b is no - singular matrix. the so - called inner weakly coupled system can not be decoupled directly by employing state feedback
本文揭示狀態反饋可解耦的條件是b ~ *為非奇異矩陣，對于detb ~ * = 0 ， detg 0的弱內耦合系統，不能直接用狀態反饋解耦。First, according to the orthonormal quality and the rational choice of working point of the sonar array three shafts frame, the structure of the models is predigested preliminarily ; secondly, according to the quality indexes and the coupling quality between frames, relatively small quantum is neglected. so the complex non - linear coupling models of the sonar array are predigested farther ; lastly, considering the characteristic of the model coefficient matrix, the methods of the low rank polynomial approach and the error simulation are introduced. so the models are predigested again
首先從聲納基陣框架結構的正交性和工作點的合理選擇出發，使模型的結構得以簡化；其次根據系統性能指標及框架間耦合性強弱，忽略相對小量，對聲納基陣復雜的非線性耦合模型進一步簡化；最後考慮模型系數矩陣的特點，運用低階多項式逼近和誤差模擬的方法，實現了對模型的再次降階簡化處理。Based on the results, chapter 3 obtains the necessary and sufficient conditions of the positive line a - doubly diagonally dominant matrices being non - singular m - matrices, by means of the nature of the associated digraph of matrices irreducible and weakly irreducible matrices. the results obtained simplify the process of judgment, only making us to check the related quantity involved in the circuit of the associate digraph of matrices
第三章在已有結果的基礎上，藉助于矩陣的伴隨有向圖、不可約以及弱不可約矩陣的性質，得到了正線-雙對角占優矩陣為非奇異m -矩陣的充分必要條件，所獲結果簡化了判定過程，只需要對矩陣伴隨有向圖圈中所涉及到的相關量進行驗證即可。Meanwhile, we describe injectivity conditions over a formal triangular matrix rings in views of the studies for essential, nearly, f, n - generated and weakly relative injective modules
通過對基本、 nearly 、 f 、 n -生成和弱相對內射模的研究，進一步討論了形式三角矩陣環上的內射模。But, though considerable process has been made in the last ten years, digital watermarking is still in its infancy, and much interesting work remains to be done this thesis addresses some problems in the gray - scale image digital watermarking that are summarized below : 1 ) whereas the basic theory of digital watermarking is still very poor, a digital watermarking mathematic model based on imperceptibility and robustness is presented by analysising the characteristic of digital watermarking ; 2 ) based on the model constructed above, by defining the measures of capacity and robustness of digital watermarking, an objective method for evaluating the digital watermarking is introduced and used to analysis some algorithms ; 3 ) whereas geometric distortion always influences the restoration of watermark, we advocate to enhance the robustness against geometric distortion by restoring the image which has been distorted by geometric transformation, and a method is designed for estimating the parameters of geometric transformation ; 4 ) based on the conclusion discussed above, and combined with the masking effects of hvs, a novel public meaningful gray - scale image digital watermarking is designed by analysising the characteristics of image gray - scale interpolation and haar wavelet transformation. the experimental results show that the method is indeed powerful ; 5 ) whereas many image digital watermarking schemes, which embed watermark by modifying the values of pixels in spatial domain and transformed domain, are confronted with the conflict between the imperceptibility and robustness, we advocated to use some stable digital characteristics of host image as watermark and a algorithm based on hermite matrix is designed
本文重點對灰度圖象數字水印技術進行研究，主要工作如下： 1 ）鑒于目前數字水印的理論研究比較薄弱的現狀，本文通過分析數字水印的特點，建立了一個數字水印的數學模型，為進一步研究數字水印打下了基礎； 2 ）根據以上建立的模型，通過引入容量和穩健度的概念為數字水印提供了一個客觀評價方法，並對一些數字水印演算法進行了分析； 3 ）為增強數字水印抵抗幾何攻擊的能力，研究了受幾何攻擊的圖象的復原問題，並給出了一個計算圖象幾何變換參數的方法； 4 ）通過分析圖象灰度插值演算法和haar小波變換的特點，結合hvs的掩蔽效應，設計了一個公開的有意義數字水印演算法，實驗結果表明本演算法具有較強的穩健性； 5 ）目前許多水印演算法都是通過在空域或頻域修改象素值的方法嵌入水印的，這種方法面臨著透明性和穩健性的矛盾，為解決這個矛盾，本文提出以圖象的某些穩定的數字特徵為水印的觀點，並結合hermite矩陣的特點設計了相應的水印演算法，實驗結果表明該演算法具有較好的穩健性。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。First, the article reviews the theory of strategic management. then, using related theory, methods and models, followed by the steps of strategy analysis, strategy formulation, strategy implementation, strategy control and strategy evaluation witn some matrixes, such as external factor evaluation ( efe ) matrix, internal factor evaluation ( ife ) matrix, threats - opportunities - weakness - strengths ( tows ) matrix. boston consulting group ( bcg ) matrix. strategic position and action evaluation ( space ) matrix and quantitative strategic planning matrix ( qspm ), etc. to analyses the external environment and internal situations. at last, the article puts forward to expanded strategy for deyang cable stock corporation and gives some advice on the implemention and control of the strategy. the author hopes that this article is beneficial to the development of deyang companyt
本文首先對有關戰略管理的理論進行了回顧，其次，運用戰略管理的有關原理、方法與模型，按照戰略分析、戰略制定、戰略實施以及戰略控制和評價等步驟，運用外部因素評價（ efe ）矩陣、內部因素評價（ ife ）矩陣、威脅-機會-弱點-優勢（ twos ）矩陣、波士頓咨詢集團（ bcg ）矩陣、戰略地位與行動評價（ space ）矩陣以及定量戰略計劃（ qspm ）矩陣等方法，對德纜公司的外部環境和內部條件進行分析，最後制定了擴張型的總體發展戰略，並對戰略的實施及控制提出了相應的措施，期望能對德纜公司的發展提供幫助。An approximate system of original nonlinear system is obtained by expanding the original system on the dynamic state on the basis of analyzing the decouplled matrix of original nonminimum phase system with small nonlinearity. then the approximate system is feedback linearization controlled
通過對弱非線性非最小相位系統解耦矩陣的分析，將原系統的狀態進行擴張，以得到與原系統在本質上相似的近似系統，然後再對近似系統進行反饋線性化設計。Finally we disscuss the weak exponents of irreducible matrices
最後我們對不可約布爾矩陣的弱指數進行了討論。In this thesis, the author has analyzed the main factors affecting the development of the postal savings service, first, the author puts an emphasis on analysis of the internal and ii external environment that the postal savings service is confronted with. then the author makes efe and ife matrix analysis of the postal savings service. thus the important data, such as critical internal strength, weakness and critical external opportunity, threat etc., are obtained
本文分析了影響儲蓄業務發展的各主要因素，結合國內外郵政儲蓄發展歷史和現狀，重點分析了我國郵政儲蓄面臨的內外部環境情況，進行郵政儲蓄efe和ife評價矩陣分析，得出關鍵內部優勢、弱點和關鍵外部機會、威脅，結果表明郵政儲蓄若能好好利用外部環境因素，將會取得極為顯著的效果，而我國郵政儲蓄的內部狀況處於弱勢。When made covariance matrix, the observational data were always treated as one group without considering the time misfit, which did not match the true situation. in this thesis not only the distance, but also the time correlation was taken into account when constructed the covariance matrix, the observational data being treated differently according to its obtaining time and the weight, big or small, being assigned to differently according to its time correlation, strong or weak. all that done mentioned above made the application of data be closer to practical situation
在確定協方差矩陣的時候，以往的做法是將所有不同觀測時刻的數據當作同一時刻的數據應用；本文在形成協方差矩陣時，不僅考慮空間相關，而且應用了時間相關，對觀測數據的應用依照其得到時間的不同分別處理到協方差矩陣的建立中，並根據其在時間上的相關強弱給予不同的權重值，使得對觀測數據的應用更接近實際情況。分享友人