We then do a performance investigation , comparing cache - oblivious algorithms with traditional ram - model algorithms . in the last , on the basis of thorough research , we present an optimal sub - linear working space cache - oblivious sorting algorithm . we conclude that cache - oblivious algorithms do outperform traditional ram - model algorithms when working on large data sets 接著通過性能測試,把高速緩存參數無關算法與傳統的基于ram模型的算法做了比較,最后,在深入研究的基礎上提出了一個最優的子線性工作空間的高速緩存參數無關的排序算法。
Using the f - ahp model algorithms that based on fuzzy number and interval arithmetic solve the multi - attributes and fuzzy problems of agricultural project appraisal . using entropy weight ranking of f - ahp is more efficiency . using a - cut and index of optimism x . estimate the uncertainty and preference of decision makers 用基于模糊數、區間數運算法則的f - ahp模型解決了農業項目投資評估的多屬性及模糊性問題;采用熵權使得排序更加科學;通過置信度與樂觀指數考慮了不確定性及決策者的風險態度。
As a result of modeling assumption study , i discuss a special kind of modeling assumption , relevance assumption , which defines the relation between model fragments and objects being modeled , and maps concrete model goal to model fragments . i consider cm in the view of relevance reasoning and develop a qualitative modeling algorithm , in which each model fragment is being related to some kinds of modeling goal and task 在此基礎上,本文繼續研究了一類特殊的模型假設,即關聯假設,后者從模型片斷與被描述對象間的關系出發,將模型片斷與建模任務聯系起來,本文提出基于關聯假設的推理算法,就是利用關聯假設來輔助定性建模任務中的模型片斷選取。
In this paper , i have established a appraisement index system after synthetically consideration affecting factor of trolleybus and bus in managing quality , determined right number of each index by grade analysis law , determined appraisement grade of each index by investigating to queue up , determined appraisement matrix by expert inquiry , calculated subordinating level which beijing ' s managing quality of trolleybus and bus in managing quality to each appraisement grade by " m ( , ) " model algorithm in vague mathematics . according to identification principle , i have reached conclusion 本論文在綜合考慮公共電汽車運營質量影響因素的前提下,確定了公共電汽車運營質量評價指標體系,采用層次分析法確定指標權數,通過調查排隊來確定各指標的評價等級,通過專家調查法確定評價矩陣,利用模糊數學中m ( ? ? )模型算法計算一個城市公共電汽車運營質量對“優、良、中、差”的隸屬度,根據識別原則,得出結論。
With the development of multimedia and virtual reality , efficient 3d modeling algorithms which can realize the real - time computation are increasingly needed . 3 - d model is essential to the object recognition , automatic design , video games , and digitalization of historical relics , reconstruction of historical buildings , and visual scene reconstruction 隨著計算機視覺和虛擬現實的發展,三維模型重構問題日益成為計算機科學中的一個重要課題, 3d模型廣泛用于對象識別,工業自動設計,視頻游戲,動畫制作,數字文物檔案建立,建筑物原貌恢復等方面,同時要求重構有較高的效率以實現實時計算。
The definitions of fuzzy colored petri net and fuzzy petri net are modified . and two modeling algorithms based them are proposed to solve issues of existing fuzzy petri net models . therefore , fuzzy petri net models can reason correctly complex problems according to mechanism in themselves 擴展了模糊有色petri網系統和模糊petri網系統,并分別提出了兩者的推理建模算法,以解決己有模糊petri網模型存在的問題,使模糊petri網能夠完全依靠自身機理實現復雜實際問題的正確推理。
The basic principle of predictive control technology is introduced . the methods of mac ( model algorithm control ) and gpc ( generalized forecast control ) are emphasized and their specialities and deficiencies are analysed . at the end of this paper a matlab simulation program of gpc is given 3 、介紹了預測控制的基本原理,重點介紹了mac (模型算法控制)和gpc (廣義預測控制)的基本方法,分析了mac與gpc各自的特點與不足,通過不同的實驗演示了在選擇不同控制參數的情況下mac與gpc的控制效果,并在本文的最后給出了gpc算法的matlab仿真程序。
The seismic modeling algorithm includes in two key steps in which one is for calculating effective elastic parameters in a fractured and caved media by using elastic wave equation , the other is for wave extrapolating by using acoustic one - way wave equation based on an equivalent geology model consisting of those effective parameters 地震正演方法包含兩個關鍵步驟,一是利用彈性波動方程計算含縫洞介質的有效彈性參數,另一步驟是根據有效彈性參數構成的等效地質模型,用單程聲學波動方程進行波場延拓。
A soft sensor modeling algorithm based on improved fuzzy neural network is presented . the normalized average output membership functions are defined as fuzzy basis functions for defuzzification calculation . in order to improve the property of convergence , some parameters of the fuzzy neural network are trained by levenberg - marquardt algorithm , and the others are trained by gradient descent algorithm 提出了一種改進的模糊神經網絡軟測量建模方法,采用規則化的平均輸出隸屬度函數作為模糊基函數進行反模糊化運算;在訓練網絡時,部分參數采用levenberg - marquardt算法來訓練,另一部分采用一階梯度下降法。
It compares and analyzes many real time transportation methods of mpeg - 4 video bits , and selects the adaptive rate control algorithm for this system ; it also discusses rtp / rtcp protocol and rtp payload format for mpeg - 4 visual streams , feedback control algorithm and error control methods ; it has comprehensive research about the quadratic r - d model algorithm and improves it . finally , these technologies are applied in smart home system , using xvid , jrtp open source software , video4linux and directshow technologies 分析和比較mpeg - 4碼流在internet上的幾種實時傳輸方案,選擇了自適應編碼方案作為本系統的傳輸方案;對rtp rtcp協議、 mpeg - 4碼流在rtp中的包結構、端到端的反饋控制算法和差錯控制的解決方案以及基于二級r - d速率控制算法進行了深入的研究,并對二級r - d速率控制算法進行了改進。