characteristic vector 中文意思是什麼

characteristic vector 解釋
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  • characteristic : adj 有特性的；表示…特性的，…特有的。 Japan s characteristic art 日本特有的藝術。n 特性，特徵，性...
  • 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...
  1. Dissert concisely about the sort of the gradient characteristic vector

    簡論梯度特徵向量排序法
  2. The results shows that the vitro expressed protein of n gene by recombinant plasmid vector in the e. coli maintains anigenicity of tgev the recombinant protein was purified acconiing to the vector self characteristic ( hisk a polyhishdine tag introduced at the amino - acid terminus of the nucleoprotein allowed for the purification of protein by nickel - chelate dsity chromataography we explored all possibilities of pedcation and gained the modified purification method. several conditions, which include diffend ph buffer and concelltheion of imidazole, were selected to purify recombinan nucleorotein

    根據載體pproexhtb含有（ his ） 6特點，將融合蛋白進行純化，在純化過程中經各項條件的探索，確定為在裂解液中含有1mmpmsf的條件下，分別經過2倍體積的buffera和bufferb洗脫后，再收集ph5 . 9 ，含有80mmol / l咪唑的1倍體積bufferc洗脫液，可得到純化的融合蛋白。
  3. 3. use characteristic vector quantity of normal situation with leak characteristic vector quantity of situation compare, adopting valve method determinant the leakage of pipelines

    本文應用正常情況下的特徵向量與泄漏情況的特徵向量進行比較，並且採用閥值的方法判斷泄漏故障的發生。
  4. Due to the moving base existence of the minehunting and the frame structure characteristic of the sonar array, a new modeling thought in which the boat body coordinates is regarded as moving coordinates and the whirligig equation of sonar array compared with the self coordinates is founded on the basis of the euler ' s theorem and the coordinate transform is introduced. the dynamic equations of minehunting sonar array with the state matrix form are founded by settling the dynamic models with the vector form. so it offers theory foundation for analyzing the dynamic characteristic and designing robust control

    由於獵雷艇作為動基座的存在和聲納基陣的框架結構特點，提出了以艇體坐標系為運動坐標系，運用變形的歐拉定理和坐標變換建立聲納基陣相對自身坐標系的旋轉運動方程的建模思想；將所建立的矢量形式的動力學模型展開整理，獲得了狀態矩陣形式的獵雷聲納基陣動力學方程，為系統動力學模型的實用化奠定了基礎。
  5. Let d be a nonzero k - vector space of commuting - derivations of a. kaim - ing zhao and yucai su studied the associative algebra a [ d ] = ak [ d ] of weyl type constructed from the pair of a commutative associative algebra. 4 and its commutative derivation subalgebra d over a field k of arbitrary characteristic

    趙開明和蘇育才研究了任意特徵的域上具有單位元的交換結合代數a和它的交換導子的子空間d所構造的weyl型代數。他們證明了a [ d ]是單lie代數的充分必要條件是a是d -單的且k _ 1 [ d ]忠實地作用在a上。
  6. To compress the dimensions of characteristic vector and make the design of classificatory in the characteristic space with lower dimensions is the purpose of characteristic selection and extraction

    摘要壓縮特徵向量的維數，在較低維特徵空間中進行分類器設計是特徵選擇與提取的目的。
  7. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的電流差動保護無論對於何種形式的輸電線路都是一種簡單、可靠、選擇性強的保護形式，電力系統的發展使得電流差動保護應用於線路保護成為需要，而電子、通信技術的發展使得電流差動保護應用於輸電線路成為可能。首先，本文對目前線路保護的研究和實際應用情況進行了討論和分析，比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次，針對常規相量電流差動保護易受正常負荷電流和故障過渡電阻影響的缺點，同時為加快差動保護的動作速度，對基於故障分量瞬時采樣值電流差動保護的原理、判據、動作特性等作了討論和分析，結果表明基於故障分量瞬時采樣值電流差動保護在可靠性、靈敏度、抗電流互感器飽和方面明顯優于常規相量電流差動保護，對電流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  8. Based on different texture of the face and the inverse of leather, this paper extracted characteristic vector of the face and the inverse of leather using co - occurrence matrix and classified the face and the inverse of leather using fisher classifier and nn base on characteristic vector

    由於皮革正面和反面具有明顯不同的紋理特徵，本文用共生矩陣提取皮革正反面的紋理特徵，並根據提取的特徵向量採用分類器對皮革正反面進行自動識別和分類。
  9. In the field of application of fault diagnosis with mese, using short signal analysis technology can get characteristics vector of faults. then fuzzy reasoning and neural networks are used to construct fault diagnosis system. the fault diagnosis system analyses the characteristic vector by self - learning

    在故障診斷領域的應用研究方面，將的簡訊號最大熵譜分析與模糊推理、神經網路技術相結合，採用模糊神經網路對最大熵譜分析得到的特徵向量進行自學習的模糊推理，能夠準備識別故障類型。
  10. The method that how to adjust the consumption coefficients according to the final demand structure is researched ; in order to make the right positive characteristic vector of the new consumption coefficient matrix is just the final demand structure

    摘要研究了如何根據最終需求的結構來調整原有的消耗系數，使得調整后的消耗系數矩陣的右正特徵矢量是最終需求結構。
  11. A wavelet analysis was made to the wintertime integrative chilling damage index, time - coefficients of the first characteristic vector field and the second eigenvector field of wintertime integrative chilling damage index

    對廣東冬季綜合寒害指數和廣東冬季綜合寒害指數第一特徵向量的時間系數、第二特徵向量的時間系數進行了小波分解。
  12. After extracting characteristic vector, unqualified glass container can be identified by using statistic pattern recognition method

    提取特徵矢量后，通過統計模式識別原理即可以分類識別。
  13. In view of the non stationary feature of the pressure difference fluctuation signal in the gas - liquid two phase flow, a flow pattern identification method was proposed based on the characteristic vector from the singular value of the matrix formed by the multi dimensional continuous wavelet transform values of the fluctuation signal

    摘要針對氣液兩相流壓差波動信號的非平穩特徵，提出了以多尺度連續小波變換值矩陣的奇異值為特徵矢量的流型識別方法。
  14. The main achievements are summarized as follows : 1. based on deeply studying the feature of the gabor transformation, a characteristic vector for describing points " feature is defined with the gabor transformation to realize feature point extraction

    主要工作如下： 1 、深入研究了gabor變換的性質，利用gabor變換實現特徵點的提取，並且定義了一種描述點特徵的特徵向量。
  15. In this paper, we discusse rationlization about method of calculus of characteristic vector under normal conditions

    摘要討論了通常計算特徵向量方法的合理性。
  16. Aimed at static image retrieval based on color, a multimedia image database which included three layers was designed and the search algorithm of the correlation and polymerization histogram was used in the article. to show color characteristic of image, the method of the hsb ( hue, saturation, brightness ) color space, which is suitable to the visual characteristic of human, is utilized. taking advance of human ' s feeling to color, it quantifies color sector with unequal interval, and get characteristic vector

    針對基於顏色的靜態圖像檢索，本文設計了一個三層的多媒體圖像數據庫，選用基於相關聚合直方圖的演算法，採用符合人類視覺特徵的hsb顏色空間來表示圖像的顏色特徵，利用人對顏色的感知來對顏色分量進行非等間隔的量化並形成特徵矢量，用距離度量函數進行圖像的相似性匹配。
  17. To show color characteristic of image, the method of the hsv color space, which is suitable to the visual characteristic of human, is utilized. taking advance of human ? feeling to color, it quantifies color sector with unequal interval, and get characteristic vector. finally, it matches the similarity of image with the algorithm of the histogram intersection

    這種方法採用符合人類視覺特性的hsv顏色空間來表示圖象的顏色特性，利用人對顏色的感知來對顏色分量進行非等間隔的量化並形成特徵矢量，用直方圖交叉演算法進行圖象的相似性匹配。
  18. The paper derived the formulae for the strain response mode with the knowledge of dynamics of structures, of materiaj mechanics, of elastic mechanics, and pointed out their use range. a computer program is worked out with fortran power stations 4. 0, it can compute the characteristic value, the characteristic vector and the strain mode for a bridge structure, and it is verified correct

    論文綜合結構動力學、材料力學、彈性力學等知識推導出橋梁結構應變響應模態模型的數學公式，指出了該方法的適用范圍，基於fortranpowerstation4 . 0計算機工作平臺，用fortran語言編制了能h算橋梁結構特徵值及特徵向帛羽小於變模態的哭小m序。
  19. The decomposed singular value may serve as the flow pattern characteristic vector and the input to a radial basis function neural network ( rbfnn ) to realize an intelligent identification of the flow pattern

    然後對初始特徵向量矩陣進行奇異值分解得到矩陣的奇異值，將其作為流型的特徵向量，再結合rbf神經網路形成流型的智能識別方法。
  20. Compare a lot of face image characteristic vector with face image sets characteristic matrix in order to get their similarity, and find the least value of similarity as threshold. in the detecting phase, compute the similarity between characteristic vector of testing region in gray image and face image sets characteristic matrix, if the similarity bigger or equal to threshold then the testing region is a human face, otherwise is not

    然後，用大量的人臉圖像的特徵向量與人臉圖像集特徵矩陣比較它們的相似程度，找出值小相似度，並把這個最小相似度作為閾值；在檢測階段，求出灰度圖像的待測區域的特徵向量與人臉特徵矩陣的相似度，若該相似度大於等於閾值，則是人臉，否則不是人臉。
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