similarity reduction 中文意思是什麼

similarity reduction 解釋
相似化簡
  • similarity : n. 1. 類似，相像，相似。2. 類似點；類似物，相似物。
  • reduction : n 1 縮小，減少；降級，降位；（刑罰等的）輕減；減速；減價，折扣。2 （城市、國家等的）陷落，投降，...
  1. The work of the paper mainly includes : ( 1 ) present a model for measuring the similarity between two hydrological time series. in this model, we adopt an intuitive dimensionality reduction technique for hydrological time series which is called piecewise average approximation ( paa )

    主要工作包括： （ 1 ）提出了適合水文時間序列數據特點的相似性模型，採用簡單直觀的等時間間隔序列分段平均值技術（ paa ）作為水文時間序列降維方法。
  2. At the first step of the algorithm, based on the theory of principal component analysis, a modified principal component analysis ( mpca ) approach is adopted to reduce the dimension of data horizontally, then after comparing existing clustering algorithms, an immune clustering algorithm is put forward based on similarity measurement of principle component core for vertical reduction by using related mechanism of clone selection as well as immune network self - stabilization in natural organic immune system for reference

    在進行樣本參量的降維處理時，基於主元分析的思想，採用一種改進的主元分析（ mpca ）方法用於橫向數據壓縮，在壓縮樣本數量時，綜述和比較了現有的各種聚類演算法，借鑒生物體自然免疫系統中克隆選擇以及免疫網路自穩定等有關機理，提出了基於主元核相似度的免疫聚類演算法用於縱向數據壓縮。
  3. With fault diagnosis of rotating machinery as example, the similarity - based generalized rough sets theory was applied to reduction of incomplete decision system to find necessary conditions for diagnosis. based on the optimal decision system obtained from the reducts, bp neural network was designed for fault identification. the application of the reducted decision system to the neural fault classifier indicated that rough sets based reduction reduces the dimension of input to neural network, and raise

    在故障診斷的實踐方面，根據課題要求，在理論研究的基礎上，以microsoftvisualc + + 6 . 0為基本開發工具，綜合利用數據庫、 matlabc c + +數學函數庫、多線程和windowssockets網路編程等技術開發了基於intranet的大型機組在線狀態監測與故障診斷系統。
  4. In this dissertation, with the aid of many types of constructive transformations and symbolic computation, some topics in nonlinear waves and integrable system are studied, including exact solutions, painleve integrability, backlund transformation, darboux transformation, symmetry ( similarity reduction ), conditional symmetry, lax integrable hierarchy, liouville integrable n - hamilton structure, constraint flow, involutive system, lax representation, r - matrix, separation of variables and integrable couplings. chapter 2 and 3 are devoted to investigating exact solutions of nonlinear wave equations : firstly, the basic theories of c - d pair and c - d integrable system are presented

    本文以構造性的變換及符號計算為工具，來研究非線性波和可積系統中的一些問題：精確解（如孤子解、周期解、有理解、 dromion解及compacton解等） 、 panileve可積性、 backlund變換、 darboux變換、對稱（相似約化） 、條件對稱、 lax可積族、 liouville可積的n - hamilton結構、約束流、對合系統、 lax表示、 r -矩陣、變量分離及可積的耦合系統
  5. By a generalized version of ags reduction procedure we show that the forms of quantum dynamics at different strata are the same. this is the self - similarity of quantum dynamics

    摘要推廣少體問題中的ags約化理論，證明量子動力學在不同層次具有相同形式，稱為量子動力學的自相似。
  6. The nifh sequence similarity between isolates t7 and paenibacillus odorifer was 97 %. the 7 isolates with nifli gene were tested for their nitrogenase activity using acetylene reduction assay ( ara ). isolates c4, g2, t7 and w5 showed nitrogenase activity, whereas nitrogenase activity was not detected in the isolates c5, gl and t1 and suitable conditions for demonstrating nitrogenase activity for them remain to be found

    採用乙炔還原方法對這7個菌株的固氮酶活性進行了測定，其中4個菌株具有固氮酶活性，菌株g2和t7的固氮酶活性相對來講比較高，分別達到660 . 0nmol乙烯mg蛋白和292 . 5nmol乙烯mg蛋白，但用同樣方法卻沒有測出菌株g1 、 t1和c5的固氮酶活性，它們的最佳固氮條件還有待于發現。
  7. In this paper, the second chapter introduces the reducing idea of inertial manifolds and approximate inertial manifolds, and discuss th e similarity reduction of ks equation. the third chapter introduces the basical idea and theory of the exact linearization controlling, then use this methods to control chaos of an ordinary differential system chen equation and apply the exact linearization controlling method to control the chaotic behaviours, i. e. controlling the chaotic states to steady states

    本文第二章介紹了無窮維動力系統的慣性流形與近似慣性流形的約化思想，並討論了ks方程的直接約化方法。第三章介紹了精確線性化控制方法的基本思想和理論根據，並應用精確線性化控制方法對具有典型混沌動力學行為和性質的一個常微分系統chen方程進行混沌控制，將chen方程的混沌狀態控制為穩定狀態。
  8. Similarity relation - based knowledge reduction in incomplete and fuzzy decision information systems

    基於相似關系的不完備模糊決策信息系統知識約簡
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