離散本徵值 的英文怎麼說
中文拼音 [lísǎnběnzhǐzhí]
離散本徵值
英文
discrete eigenvalue- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
- 散 : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
- 本 : i 名詞1 (草木的莖或根)stem or root of plants 2 (事物的根源)foundation; origin; basis 3 (本錢...
- 徵 : 名詞[音樂] (古代五音之一 相當于簡譜的「5」) a note of the ancient chinese five tone scale corre...
- 離散 : dispersed; scattered about; separated from one another; spread; debunching; straggling; fringing;...
-
Fast algorithms of both discrete and orthonormal wavelet and wavelet packet coefficient are diagrammatized to be introduced. daubechies wavelet is applied to help to discuss the application and test on signal filtering and noise reduction with the principle and threshold implementation ; the basic principle to pickup the fault characteristics is introduced mainly about the relations between the maximum module and signal saltation point and how to characterize the saltation point with lipschitz exponent
展示了離散正交小波變換的mallat快速演算法和小波包系數分解的快速演算法;重點應用daubeches小波探討了小波變換在信號濾波去噪中的應用和實驗,闡述了其基本原理和通過閾值化處理實現濾波的具體方法;探討了用小波變換進行故障特徵提取的原理,說明了小波變換模極大值和信號突變點之間的關系以及怎樣用李氏指數來表徵突變點的性質。By omitting certain particular conditions inconsistent with actualities, we can also obtain a similar result in the position distribution of discrete eigenvalues and their limit points for this kind of operators
在省略某些不符合實際的特殊條件的情況下,對這類運算元離散本徵值及其聚點的位置分佈,同樣獲得了一個類似的結果。On the base of analysis of hydrologic geology from aquifer distribution, boundary conditions and dynamic characters etc. in the research area, the paper sums up the hydrologic geologic condition, builds up the conceptual model of groundwater resource evaluation and presents 2d calculation model, as well as numeric solution and computing flow chart. after introducing general solutions of mathematic models and implementation method of rectangular grid, the paper realizes the automatic technique of spatial dispersion rectangular grid of evaluation models based on gis. finally, the paper fulfills the integration of gis with groundwater resource evaluation models from gis - based basic management information, spatio - temporal dispersion of models, definition of subprogram and visual evaluation of parameters, as well as models simulation etc., and visualizes the results of evaluation models
論文以地下水超采?地下水降落漏斗?地面沉降現象較為嚴重的常州、武進地區作為研究評價區域,在對評價區域的含水層分佈、邊界條件和動態特徵等水文地質條件分析的基礎上,概化了其水文地質條件,構建了相應的地下水資源評價概念模型與數學模型,並給出其數值解法和相應的計算流程;論文在介紹數學模型的兩種常用數值解法和模型空間離散的矩形網格生成技術的基礎上,實現了基於gis的評價模型空間離散矩形網格的自動生成;最後,論文從基於gis的評價模型基本信息管理、模型空間時間離散方法、子程序包與模型計算參數可視化賦值、模型的擬合等方面實現了gis與評價區域的地下水資源評價模型的集成,並將模型評價結果可視化。Bringing forward an intelligent decision method of image segmentation based on roughset theory to make the system automatically select segmentation algorithm in simple scenes. firstly, it selects some representative segmentation algorithms to make up of an algorithm library, which is used to process kinds of sample images ; secondly, it makes the decision informationtable utilizing diversified numerical features extracted from the sample images and the optimalsegmentation algorithm of each sample image according to segmentation quality evaluationcriterion ; finally, it applies rough set theory on discretization and attribution reduction of
為了使系統在簡單場景下能夠通過自動選取分割演算法來提取目標,提出了一種基於粗糙集理論的圖像分割智能決策方法。首先選取若干具代表性的分割演算法構成演算法庫,並用它們對各種樣本圖像進行分割;然後利用從樣本圖像中提取出來的各種數值特徵,並根據圖像分割質量評價標準評判出各樣本圖像的最優分割演算法,用其構成決策信息表;最後應用粗糙集理論來對決策信息表進行離散化處理和屬性約簡,以生成圖像分割演算法選取的決策規則。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。This paper deal with the proxy contests law system contributing factor, theory basis, law of value and it ' s limitation to unfold discuss and point out the proxy contests feature as " an equal right " for the stock right very decentralized company with the stockholder ' s right to vote special mode
本文對委託書徵求法律制度的產生原因、理論基礎、價值取向及其局限性逐一展開研討,指出委託書徵求是在以「兩權分離」為特徵的股權高度分散的股份公司中,股東行使其表決權的特殊方式。This paper studies inverse design problem of generalized eigenvalue problem of linear parameter discrete vibration system
本文研究了具有線性參數的離散振動系統廣義特徵值逆設計問題。A semi - discrete form of our scheme is also presented. this new reconstruction is a third order accuracy in smooth regions and non - oscillations at cell interfaces. our scheme enjoys the main advantage of the central schemes - simplicity, namely it does not employ riemann solvers and hence the intricate and time - consuming characteristic decomposition are avoided
本文針對一維雙曲型守恆律的初值問題,研究了二階和三階中心差分格式,提出了一種改進的三階中心差分格式及其半離散形式,主要是引入了一種新的重構,並證明了這種重構在光滑區域具有三階精度且在網格邊界無振蕩,所提的格式保持了中心差分格式簡單的優點,不需要求解黎曼問題,避免了復雜且耗時的特徵分解過程。Hence, the transformation matrix composed with the eigenvectors corresponding to the largest eigenvalues of the transferred between - class scatter can maximize the fisher criteria
然後在這個零空間里,尋找對應于樣本類間離散度矩陣的較大特徵值的特徵向量作為最終降維的轉換矩陣。分享友人