vector algorithms 中文意思是什麼

vector algorithms 解釋
矢量演算法
  • vector : n 1 【數學】向量，矢量，動徑。2 【航空】飛機航線；航向指示。3 【天文學】幅，矢徑。4 【生物學】帶...
  • algorithms : 演算法式
  1. Three commixed still image coding algorithms are proposed based on them and such ideas as : zerotree coding, wmse ( which is based on mankind visual characteristics ), classified vector quantization with different vector structures and classification methods. the chapter gives the principium analysis, realization schemes and simulation results of the proposed algorithms

    在此基礎上，結合零樹編碼思想，以及基於人眼視覺特性和分類矢量量化的思想，根據不同的矢量構成和分類方法提出了三種混合型靜止圖像編碼方法，給出了演算法原理的分析、實現方案和模擬結果，最後對本章方法作出分析總結。
  2. In order to improve adaptability and robustness of algorithms, we present another toa / tdoa data fusion algorithm based on support vector machine regression for radiolocation. then we test the capability of location estimation algorithm in distinct channel environments, the results suggest that the location precision within 100m is accessed with 67 % probability by this method

    為了提高定位演算法的健壯性和自適應能力，論文提出了一種基於支持向量回歸（ svr ）對toa / tdoa進行數據融合的方法，並對演算法在不同的通道環境下的定位性能進行了模擬。
  3. Then this paper makes some overview and simulation on the application of three precoding algorithms under the flat fading channel, which are linear preequalization, tomlinson - harashima precoding ( thp ) and lattice reduction - aided ( lll ) vector precoding

    本文對三種常見的預編碼演算法在平坦衰落通道下的應用進行了綜述和模擬研究，包括迫零線性預均衡、 thp預編碼和格約簡輔助矢量預編碼等演算法。
  4. Through the experiment, we test its feasibility. 3 、 to solve the insufficiency of the svm method, the thesis proposes another algorithm based on similarity computing for verb subcategorization acquisition, and use two different sentences similarity getting algorithms to the acquisition : vector space model and the algorithm for sentence structure similarity getting that based on word class cluster

    3 、針對支持向量機方法在自動獲取性能方面的不足，探索提出了基於相似度計算的動詞次范疇獲取演算法，並分別使用了兩種不同的句子相似度獲取演算法:向量空間模型和基於詞類串句子結構相似度獲取演算法，用於動詞次范疇類獲取。
  5. The compare is made between the one - versus - one, one - versus - rest and directed acyclic graph algorithm of presented support vector machine multi - class classification algorithms. the simulations show the advantage of directed acyclic graph algorithm over the others the identification rate

    分析比較了現有支持向量機多值分類演算法中的一對一、一對多和有向無環圖演算法，分析表明有向無環圖相對于其它兩種演算法，不僅速度快，而且識別率也較高。
  6. Study of support vector machine and its improved algorithms

    支持向量機在早期癌癥檢測中的應用
  7. The error criterion is derived from rotation vector concept directly. in the coning motion environment, a class of rotation vector optimal algorithms are derived and evaluated with the rule of making sure of the minimum coning error. 3

    從旋轉矢量的概念出發，推導了演算法的精度準則，在典型的高動態環境? ?錐運動作為輸入條件下，以使錐誤差最小為原則，推導了旋轉矢量各階子樣演算法及其優化演算法，並與傳統的四元數演算法進行了比較； 3
  8. ( 2 ) the influence to classification result is highly effected by using different classifier, for example, the center - vector algorithm obtains better classification results than other two algorithms. with the character feature, the average recall is 80. 73 %, and the average precision is 82. 94 %, and with the chinese - word feature, the average recall is 83. 6 %, and the average precision is 85. 97 %. different corpuses influence the classification result. for example, the average recall is 89. 31 % and the average precision is 88. 33 %, by using the news web pages as corpus from the web site " www. sina. com. cn ", which adopt the center - vector algorithm to structure classifier and select chinese - word as feature

    對三種分類器分別以字、詞為特徵進行分類測試、分析發現：使用相同的分類演算法，用詞作為特徵項，比以字作為特徵的分類效果好；用不同的演算法構造分類器對分類效果的影響很大，如中心向量演算法在字、詞特徵下的分類效果優于其他兩演算法；在以字為特徵的情況下，該演算法的平均查全率80 . 73 ，平均查準率82 . 94 ；在以詞為特徵的情況下，該演算法的平均查全率83 . 6 ，平均查準率85 . 97 ；選用語料不同對分類效果也有影響，如用新浪網（ www . sina . com . cn ）網頁語料進行測試，使用中心向量法分類器和詞作為特徵的情況下，平均準確率為89 . 31 ，平均查全率為88 . 33 。
  9. In the filtering sub - system using ontology - based profile, we introduce an approach to construct the user ’ s profile based on ontology. ontology provides a formal way to describe the semantics relations between the concepts by using the means of concept - properties model. two algorithms have been designed to calculate the semantic similarity between feature vector and the profile, which have been impoved according to the evaluated results

    在基於本體模板的信息過濾子系統中，本文以本體的形式來描述用戶的需求模板，利用本體中的概念關系模型來體現概念間的語義關聯關系，並設計了兩種計算文本特徵向量與本體模板語義相似度的演算法，並根據實驗結果對這兩種演算法進行了改進。
  10. There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated

    空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法，包括:極大似然估計法（ ml ） 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法，包括:矢量特徵法、多重信號分類法（ music ） 、投影矩陣法等。其中， music法是一種經典的空間譜估計主流演算法，具有超強的分辨性能，但它無法實現對相干信號進行測向分辨。
  11. This algorithm increases the speed and accuracy of the motion vector search in intra - frame / inter - frame model selection, i proposed an adaptive selection method of intra - frame / inter - frame prediction model, based on tmn recommendation. in this paper, chapter one introduces the needs for low bit - rate video compression and relevant standards. chapter two first introduces briefly some common image compression methods, then emphases on the algorithms used in h263 + encoding and decoding

    本論文第一章概述了當今世界對甚低碼率視頻圖象壓縮編碼的需求以及相關的國際標準；第二章簡要介紹一些具體的圖象壓縮編碼方法，對于在h . 26x編解碼器中運用到的圖象壓縮演算法給予了重點介紹；第三章詳細探討了h . 26x系列標準，對于重點和難點部分作了詳細的闡述；第四章是具體的編解碼器設計以及核心演算法描述；第五章是h . 26x編解碼器在局域網視頻傳輸中的一個具體運用。
  12. We propose an algorithm, which integrate the shift invariance of redundant discrete wavelet transformation ( rdwt ) and the flexibility of multi - resolution motion estimation, to overcome the shift variance of dwt and get the precise motion vector. under the different code parameter, we take the proposed algorithm compared to several present algorithms, and experiment results have shown that proposed algorithm could leave less energy in the residual frames, get more precise motion vector and better reconstructed frames

    文章最後在不同的編碼參數下，將所提演算法與兩種傳統小波域運動估計演算法作比較，根據實驗所得數據分析，發現所提演算法在性能上要優于另外幾種演算法，具體體現在運動估計后所得殘差幀能量更小，重構幀客觀與主觀質量更高。
  13. Researching about multi - class protein fold recognition, we use the cascade algorithms based on support vector machine to classify the folds. the total accuracy is nearly 4 percentile higher than direct - classifying. this result suggests the thought is feasible

    2 、對蛋白子折疊子預測現狀進行了研究，提出以支持向量機為基礎的多分類器級聯演算法來解決折疊子分類問題，實驗結果比直接分類提高了近四個百分點，證明了這種思路的有效性。
  14. In contrast to conventional optimization algorithms whose iterates are computed and analyzed deterministically, randomized methods rely on stochastic processes and random number / vector generation as part of the algorithm and / or its analysis

    傳統的最優化演算法中迭代的計算和分析是確定的，與之相比，隨機方法依靠隨機過程和隨機數字/向量的生成作為演算法和（或）演算法分析的一部分。
  15. To reduce the runtime of the software, fast algorithms are adopted in the motion estimation and dct modules. moreover, this paper introduces early detection of zero motion vector and all zero coefficients to optimize the coding process

    為了提高軟體運行速度，對運算時間較長的運動估計和dct模塊採用快速演算法，並對編碼過程進行優化，採用了零運動矢量和零系數提前判決的方法，節省了很大一部分塊匹配搜索和dct運算時間。
  16. In this paper, the fundamental algorithms of toolpath planning of chinese characters based on vector font are discussed and analyzed. the object is to do some groundwork for developing a cnc ( computer numerical control ) engraving software of all copyright reserved

    本文主要內容是基於矢量漢字庫的數控雕刻刻刀軌跡規劃基本演算法的研究，旨在為開發自主版權的數控雕刻軟體打下基礎。
  17. Secondly, the improved rotation vector algorithms in the pure coning motion are discussed and the computing burden is compared with each other. lastly, computer simulations are executed to test the algorithms " performance. the results show that the rotation vector algorithms can improve the precision of the attitude calculation effectively

    分析了高動態環境下捷聯慣導圓錐誤差的產生機理，研究了純錐運動條件下姿態更新的旋轉矢量優化演算法，對各演算法的計算量和精度進行了對比，最後對各演算法進行了計算機模擬，模擬結果表明：旋轉矢量演算法能有效提高姿態演算法的精度； 2
  18. Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research

    論文首先概括介紹了用等高線快速建立3d地面模型和顯示的相關技術，並論述了課題研究的背景和選題依據;其次，論文闡述了如何對等高線數據進行預處理，提出了有效的得到矢量化等高線的方法;再次用矢量化的等高線數據建立三維地面模型，通過等高線間的對應關系的確定、瓦片操作、分支操作建立地面的高程模型;然後論文對地面模型的實時渲染問題進行了深入闡述，主要是從lod技術的三種演算法著手進行研究，通過對比四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況的地面數據顯示的優缺點，再結合本系統的地形數據的特點選擇了適合的演算法:四叉樹演算法;最後，用vrml和基於opengl的三維可視化技術在vc平臺上開發並實現了地形的三維快速顯示系統，為論文的研究內容提供了有力的論證。
  19. These algorithms are also known as dv ( distance vector ) algorithms

    這種路由選擇演算法就是我們所知的距離向量路由選擇演算法。
  20. Then as to the disadvantage of the tss native algorithms we bring for word a new algorithms which is bit vector algorithms base on rule length and the result of program show the performance of new algorithms is better than the native one

    然後本文針對tss原始演算法設計的缺陷，提出了基於規則長度的比特向量演算法，模擬結果顯示該演算法的性能優于tss的原始演算法。
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