vector model 中文意思是什麼

vector model 解釋
矢量模型
  • 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...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. An arrear predicting model based on support vector machine in telecom

    分類器的電信欠費預測模型
  2. To overcome the disadvantages of the linear calibration methods such as mlr and pls, least - squares support vector machine ( ls - svm ) is introduced to nir quantitative calibration in this thesis. for a set of diesel cetane number ( cn ) samples, the ls - svm model obtains the best performance in the cn prediction, compared with the mlr and pls model

    為克服mlr與pls等線性校正方法的局限性，本文將最小二乘支持向量機（ ls - svm ）演算法用於近紅外光譜的定量校正，並以一批柴油十六烷值樣品數據為例對以上方法進行了比較。
  3. A fuzzy vector - correlative search model based on web

    的模糊矢量相關檢索模型
  4. Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features

    本文首先介紹了情感語音數據庫的建立情況，然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用，並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選，應用人工神經網路建立了初步的語音情感識別模型，經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。
  5. Vector meson dominance model

    矢量介子優勢模型
  6. The least square estimation in linear model is used to derive the two - stage estimation of the item parameter vector 1 of j th item as follows : noting that xj consists of the nuisance parameters s, j, j, were updated so that the estimation of 6 s could be renewed

    修正進而修正x _ j和，從而形成一種新的估計方法?雙重兩步迭代估計蒙特卡洛模擬結果顯示，雙重兩步迭代估計提高了估計對真值的恢復能力。
  7. Experiments are performed and results show : 1 the popular retrieval models the okapi s bm25 model and the smart s vector space model with length normalization do not perform well for document similarity search ; 2 the proposed model based on texttiling is effective and outperforms other models, including the cosine measure ; 3 the methods for the three components in the proposed model are validated to be appropriately employed

    我們通過實驗驗證了以下三點： 1 trec中的常用信息檢索模型不能很好地解決文檔相似搜索2我們提出的基於texttiling技術的模型是有效的，性能優于其他模型3我們提出的模型中所採用的方法是有效的，包括利用texttiling技術進行文本子主題分割，利用餘弦公式來計算文本塊之間的相似度，以及利用最優匹配方法來求解文檔之間的總體相似度。
  8. Document similarity search is to find documents similar to a given query document and return a ranked list of similar documents to users, which is widely used in many text and web systems, such as digital library, search engine, etc. traditional retrieval models, including the okapi s bm25 model and the smart s vector space model with length normalization, could handle this problem to some extent by taking the query document as a long query

    文檔相似搜索指從文檔集中檢索與給定查詢文檔相似的文檔。對于給定的查詢文檔，我們期望文檔相似搜索系統能夠返回一個按相似度排序的相似文檔列表。文檔相似搜索技術已經被廣泛應用到電子圖書館，搜索引擎等系統中，例如citeseer . ist科學文獻數字圖書館的相似文獻推薦功能， google的相似網頁查詢功能等。
  9. Using matlab and its add - ons simulink, through establishing simulation maths model, the paper integrates open chain vector equation ( describing motion restriction ), numerical value simulation ( computing velocity and displacement while given acceleration ) and matrix algebra, etc. to accomplish dynamic simulation for the robot and verifies the results for kinematics of the robot using analysis method, and it establishes foundation for following study for the robot such as kinetics, control, etc

    利用matlab及其附加軟體simulink ，通過建立模擬數學模型，綜合開環矢量方程（描述運動約束） 、數值模擬（在加速度已知時計算速度和位移） 、以及矩陣代數等來完成機器人動態模擬，對所研究的機器人運動學分析結果進行驗證，結果基本一致，為機器人的后續研究，如動力學，控制等奠定基礎。
  10. The support vector approach learns a parsimonious regression model from the given data to avoid the data over - fitting problem

    支援向量?歸方法可以在給定的資料中產生一個簡潔的?歸模式，以避免傳統機器學習法中的資料過度學習問題。
  11. On the other hand, the electric field and intensity distributions of the he11 mode in the hollow fiber are calculated by using the exact solutions of maxwell equations based on the vector model, and the diffracted near - and far - field distributions of the he11 - mode output beam under the fresnel approximation are studies. we derive an analytical expression on the far - field distribution of the he n - mode output beam in free space and discuss its applicable condition. we also analyze and compare the differences between the he11 - and lp01 - mode output beams, and find that the near - field distribution of the lpoi - mode output beam is a gaussian - like one, but the near - field distribution of the he11 - mode output beam is a doughnut - like one, whereas the far - field distribution of both the lp01 - and he11 - mode output beams are a doughnut one

    此外，我們把中空光纖中lp _ （ 01 ）模（標量模型）和he _ （ 11 ）模（矢量模型）的場分佈以及它們各自的輸出光束的近場與遠場分佈進行了比較，發現兩種模式的輸出光束在近場分佈有很大的區別， lp _ （ 01 ）模輸出光束在近場是一個高斯分佈，而he _ （ 11 ）模輸出光束在近場是一個中空光束，在遠場兩種模式的輸出光束分佈是基本一致的，這正是由於在中空光纖中採用了弱波導近似以後所引起的誤差。
  12. Based on the discussion of the definition of the employee performance, the authors have developed a vector model to analyze the performance of the employee in a vectorial and geometric form, which makes the conclusions of performance appraisal not the simple numerical value scores, and they can distribute in a vectorial space and combine with numerical values and directions

    摘要文章探討了員工績效的定義，並在此基礎上開發出一個矢量分析模型，對員工績效進行矢量和圖形處理，使績效結論不再是簡單的數值得分，而是兼有數值和方向的、在矢量空間內分佈的矢量點。
  13. To fulfill the requirement and characteristics of this track, which include paragraph - based and a relevant document supplied by user before retrieval, the rocchio model and vector model are merged to compute relevance between query and document. then, gradient decrease method is used to train the parameters of rocchio model. then, based on the paragraph - level relevance, the sorted documents are returned

    本文針對文本檢索大會子項目的要求和基於段落的，用戶查詢時可能提供一篇相關文章的查詢特點，首先將rocchio模型和向量空間演算法結合起來來把握用戶需求並計算文檔與查詢的相關度，再使用梯度下降技術來訓練模型中的參數，最後依據查詢和段落層的相關度，使用基於段落切分的方法返回包含用戶查詢最相關文章。
  14. Optimized discrete vector model of nc machining simulation

    數控加工模擬中的優化離散矢量模型
  15. Control system of two phase hybrid step motor based on the torque star vector model

    基於轉矩星矢量模型的兩相混合式步進電機控制系統
  16. The physical mechanism to generate a dark hollow beam from the output beams of a lp01 mode ( scalar model ) and a he11 mode ( vector model ) in a micro - sized hollow optical is analyzed

    本文就利用中空光纖中lp _ （ 01 ）模（標量模型）和he _ （ 11 ）模（矢量模型）衍射輸出產生中空光束的物理機制進行了詳細的理論研究。
  17. The coordinate system of turning polyhedron movement was selected and its vector model was established by way of analyzing the vector, and based on that, the vector expression of describing turning polyhedron movement was deduced, then the vector formula of the relative movement and the vector formula of the path of the lathe tool were built

    摘要通過矢量分析，選擇了車削多面體運動的標架，建立了車削多面體運動的矢量模型，在此基礎上給出了描述車削多面體運動的矢量表達式，建立了相對運動的矢量公式和刀尖軌跡的矢量公式。
  18. Space vector model and dq equivalent model of the brushless doubly - fed reluctance machine

    雙饋電機矢量控制變頻調速系統控制策略的研究及模擬
  19. The backgrovind of this paper is text retrieval conference ( trec ), high accuracy retrieval of document ( hard ). in this paper, the characteristics of traditional vector model and probabilistic model are introduced

    本文的提出背景是第12屆國際文本檢索大會的子項目，高精度文本檢索（ textretrievalconference12 ， highaccuracyretrievalofdocumenttrack ） 。
  20. Vector model of whirlwind milling movement

    旋風銑削運動的矢量建模
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