efficient algorithm 中文意思是什麼
efficient algorithm
解釋
有效演算法-
The dissertation has been divided into three part : the method of scalar fem for calculating the scattering and coupling character of 2d cavities ; the high efficient algorithm of vector fem for the scattering and coupling character of 3d cavities ; the method of calculate caliber admittance matrix for high efficient algorithm to compute the scattering and coupling character body with open cavities
全文分別研究標量有限元邊界積分求解二維腔體電磁散射與耦合的計算方法，矢量有限元邊界積分求解三維腔體電磁散射與耦合的計算方法，同時針對含腔目標的高效求解問題提出了口徑導納矩陣的新的計算方法，提高了計算效率。 -
This thesis concentrates on the analysis of sampling rate changing ( decimation and interpolation ) ; the discussion of basic multirate signal processing theory ; the implementation of high efficient algorithm, which provides the bases for other algorithm development in this thesis
本文從頻域的角度深入分析了抽樣率變換的規律，並進一步研究了多抽樣率系統的高效實現方案和基本理論，為其它演算法的研究提供了必要的基礎。 -
A popular solution toimprove the speed and scalability of the association rule mining is todo the algorithm on a random sample instead of the entire database. buthow to effectively define and efficiently estimate the degree of errorwith respect to the outcome of the algorithm, and how to determine the samplesize needed are entangling researches until now. in this paper, an effective and efficient algorithm is given based on the pac probably approximate correct learning theory to measure and estimatesample error
關聯規則挖掘作為數據挖掘的核心任務之一，由於其任務本身的復雜性通常需要多次整個掃描數據庫才能完成挖掘任務且頻繁模式可能產生組合爆炸，使得從原始的大規模數據集上抽取一部分樣本，在其上尋找用戶感興趣的近似規則成為目前提高演算法效率和可擴展性的一種簡單有效的現實可行方法之一。 -
Then we analyse the new complex queries method that support large - scale distributed p2p application. finally, we describe an efficient algorithm and data structure that support complex queries based on structured p2p network. coupled with a dynamic load balanceing mechanism, the model can handle both point and range queries regardless of the distribution of the queries
本文首先介紹對等網路系統及其局限性，然後對最近提出的多種支持大規模對等網路的分散式哈希表查找系統進行分析，為了支持復雜查詢，在結構化對等網路環境中引入了新的數據結構和演算法，使其能支持范圍查詢和有效的相似查詢，再結合動態的負載均衡機制，很好的避免了系統瓶頸。 -
Because of the calculation difficulty when solving the dynamic problems, development of the efficient algorithm for the dynamic differential equations is always an important research and the space - time finite element method can provide a feasible approach to it
由於求解動力學問題時計算繁瑣且有誤差累積，因此，開發出求解動力學微分方程的有效演算法一直是一個重點的研究方向，而時空有限元法可以為此提供一條可行的途徑。 -
In this dissertation, some basic investigations on the bem of 3d elastic contact problem have been carried out, which can be listed as follows : at first, an early investigation of authors " group, on direct error estimation of bem solution for elasticity problem, is extended from 2d problem to 3d elastic contact problem. an accurate and efficient algorithm for the determination of boundary displacement, which is continuous with the displacement solution within the domain of an elastic body, is then presented
本文對三維彈性體接觸問題的邊界元法做了若干應用基礎性研究，其中主要包括以下幾個部分：作者首先將本研究組提出的彈性力學問題邊界元解誤差的直接估計從二維推廣到三維問題，給出了確定與域內解連續的邊界位移的一種精確有效的方法。 -
Unfortunately, up to now, there is no an efficient algorithm to deal with the iterative reconstruction algorithm, especially from fan - scanned projections
對于迭代重建，目前尚無很好地解決該問題的演算法，特別是對扇束投影重建問題。 -
An efficient algorithm qais is proposed that uses the efficient method to reduce database access activity, and present a novel algorithm aiu based on this algorithm, it is fit for mining association rules and incremental updating. it is especially effective in vldb, mining long patterns, and high support. the perfermance of qais / aiu is verified on the basis of synthetic data, experiments show that the proposed algorithm can mine association rules more efficiently by not generating candidate itemsets and reducing the redundancy of frequent itemsets while generating association rules
然而目前大多數挖掘關聯規則的演算法往往必需多次掃描事務數據庫才能達到要求的目標，這樣重復性的數據庫存取動作將會導致過多的執行時問浪費在i o動作上，另外在頻繁集生成規則時現有的演算法沒有考慮到規則的大量冗餘，為了解決這個問題本文提出了一個不需要生成候選集同時有效的去除生成規則時產生大量冗餘的演算法qais ，來提高關聯規則生成的速度，並且在此演算法基礎上提出了新穎的關聯規則增量更新演算法aiu ，通過應用合成數據驗證了qais aiu演算法的有效性，由試驗結果來看這個方法確實能更有效且準確地獲得事務數據庫的關聯規則，尤其適合挖掘超大數據庫中高支持度下長模式的挖掘。 -
In this paper, we propose an adaptive wavelet transform which possess the properties of translation and scale invariance. firstly, the original signal is adaptively renormalized using a scale function of an orthonomal wavelet and the first two moments of the signal. then, we decompose the renomalized signal according to the conventional discrete wavelet transform. as we prove, this adaptive wavelet transform is translation - and scale - invariant, and an efficient algorithm for calculating these wavelet coefficients, called adaptive wavelet invariant moments, is proposed. finally, we give experiment results for 2 - dimension digital signals ( images ) to verify our conclusion
本文提出了一種具有平移和尺度不變性的自適應小波分解新方法，該方法利用信號的一階、二階矩及正交小波尺度函數，先對信號進行自適應小波「重整」 .然後再對重整后的信號進行普通小波變換.本文證明這種自適應小波變換是平移和尺度不變的，並給出了計算自適應小波變換系數（稱為小波不變矩）的一種有效演算法.對二維數字信號（圖像）的實驗證實了我們的結論 -
The high efficient algorithm base on finite - element for the character of body with open cavities " scattering and coupling has been studied in this dissertation
本文主要研究了用有限元方法分析計算腔體目標和含腔目標的的電磁散射和縫隙耦合特性的高效演算法。 -
An efficient algorithm for web - log mining
日誌中挖掘用戶瀏覽模式的研究 -
This paper proposes an efficient algorithm to trace nodes of equivalent depth based on topology of triangles
如何快速、有效地繪制等深線變得日益重要。 -
The use of chaos in signal processing, communication and control has been a very active area of research in recent years. since chaos is a deterministic complex phenomenon, it opens up a new field for signal processing. this dissertation focuses on developing efficient algorithm for signal detection, parameter estimation of radar and also on radar signal generator
本文研究屬于基於混沌的應用研究，主要從雷達信號檢測、參數估計、波形設計和圖像處理的數字水印四個方面較全面地討論了混沌理論及相關技術在信號處理系統中應用的可能性，探討了相應的信號處理演算法和實現過程。 -
This paper presents an efficient algorithm for polygon clipping which processes general polygons
本文提出一個多邊形裁剪多邊形的有效演算法，其中的多邊形均可以是一般多邊形。 -
This paper puts forward an efficient algorithm for polygon clipping, and it is suitable for not only concave polygon but also the polygon with hole in it
本文提出了一個有效的多邊形裁剪演算法，它不僅適用於凹多邊形而且適用於帶孔洞的多邊形。 -
This paper researches the basic algorithms of computer graphics including the algorithms of an efficient algorithm for polygon clipping and pixel - level algorithm for generating archimedes and ivolute curve
本文的工作是對計算機圖形學中的基礎演算法進行研究。包括一個有效的多邊形裁剪演算法，以及阿基米德曲線及圓的漸開線的逐點生成演算法。 -
16 zaki m j, hsiao c j. charm : an efficient algorithm for closedassociation rule mining. technical report 99 - 10, computerscience dept., rensselaer polytechnic institute, oct., 1999. 17 burdick d, calimlim m, gehrke j. mafia : a maximalfrequent itemset algorithm for transactional databases
接著，我們在多分辨分析和shannon取樣定理的啟發下，設計出了一種高效的自適應在線獲取近似關聯規則的取樣演算法：多尺度取樣演算法multi - scaling sampling ， ms 。 -
An important application of shape matching technique is the reconstruction of archaeological fragments. conceming this application, a series of processing algorithms is presented. an efficient algorithm of fragment digital, mesh simplification, extracting mesh outlines is presented, and the mesh simplification algorithm with features of 3d edge preservation by applying edge operations, in order to reduce the difference, smooth, filter and resample are applied on the original information
對于輪廓曲線的特性、復原目標、過程模型作了論述，完成了物體數字化採用的方法、數字化物體的存儲、具有3d邊緣保持的網格簡化、輪廓曲線提取、輪廓曲線的光順濾波、曲線的重采樣等輪廓曲線匹配中所要用到的相關方法。 -
Efficient algorithm for pitch - scale modification
一種有效的語音變調演算法 -
An efficient algorithm for intersection, union and difference between polygons
差運算的有效演算法
分享友人