vector ratio 中文意思是什麼

vector ratio 解釋
矢量比
  • 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...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. Area electronic buoys system is a large - scale underwater sound equipment of tracking and locating moving objects such as submarines, torpedoes and ships. with advanced vector sensors as detective devices, it has excellent antinoise performance, and its signal noise ratio is high

    區域電子浮標系統是一套大型的水聲跟蹤定位設備,其主要任務是準確跟蹤和定位海上多個運動目標(如潛艇、魚雷、船隻等)的運動軌跡。
  2. Instead, a custom facing ratio is computed using a vector product utility node in the shading network

    相反地,一個特定的分形比率是在材質網路里使用一個積向量功能節點來計算的。
  3. Culture of mg7 hybridoma cells and detection of antigen - binding affinity of mg7 mab by elisa 2. construction and identification of mg7 recombinant phage antibody library mrna was isolated from cultured mg7 hybridoma cells and converted into cdna ; the variable fragments of heavy and light chain were separately amplified and assembled into scfvs with a specially constructed dna linker by pcr. the scfvs dma was ligated into the phagmid vector pcantabse and the ligated sample was transfered into competent e. co / / tg1 to generate a bacterial form of mg7recombinant phage antibody library ; volume and recombinant ratio of the library were evaluated by means of bacterial colony counts and restriction analysis ( ecor i and hind iii )

    Mg _ 7重組噬菌體抗體庫的構建及鑒定從培養的mg _ 7雜交瘤細胞中提取並分離mrna ,反轉錄成cdna ;利用pcr分別擴增mg _ 7單抗的重鏈及輕鏈可變區基因,並通過? dna連接子將二者連接起來形成mg _ 7單鏈抗體基因;將mg _ 7單鏈抗體基因插入pcantab5e ;將連接產物轉化感受態tg1大腸桿菌,制備細菌形式的mg _ 7重組噬菌體抗體庫;通過菌落計數和限制性酶切分析( ecor和hind )評估mg _ 7重組噬菌體抗體庫的容量和重組率。
  4. A separated - parameter method is proposed to calibrate the structure parameter. a vanishing line method is proposed to calibrate the normal vector of light plane and invariability of cross - ratio is proposed to calibrate the baseline length

    並提出一種參數分離的方法對傳感器進行了標定,採用消隱線法標定激光平面的法矢量,利用交比不變原理標定激光平面的基線長度。
  5. An algorithm based on the inner structural feature of the 8 - bit single chip microprocessor is presented to perform the space vector modulation, it is high efficiency in voltage - utilizing, low harmonic losses, fast in calculation speed, simple in over - modulation method, high ratio of capability to price

    介紹一種用8位專用單片機內部結構特徵而設計的空間矢量調制演算法,不但具有電壓利用率高、諧波損耗小等優點,還具有計算速度快、過調制處理方法簡潔、性能價格比高等優點。
  6. As a modern design method, computer simulation technology can shorten development cycle, reduce development costs and increase ratio of success in development of a sensorless vector control system. it is an indispensable way

    計算機模擬作為一種現代設計方法,在無速度傳感器矢量控制系統開發中可以縮短開發周期,降低開發成本,提高應用開發的成功率,是矢量控制系統開發中不可缺少的手段。
  7. Each unit of transformer is tested in accordance with the following items : winding d. c resistance test. measurement of turn ratio and calibiation of voltage vector relation. measurement of impedance voltage and load loss

    直流電阻測試匝數比測量及電壓矢量關系的校定阻抗電壓及負載損耗的測量空載損耗及空載電流的測量工頻耐壓測試感應耐壓測試絕緣電阻測試局部放電測試外觀和尺寸的檢驗銘牌的檢驗等。
  8. The authors inferred that it is more reasonable to make lithology ratio graphics with the limiting probability in the fixed vector than with the lithology ratio only

    設想運用固定向量中的極限概率代替以往的巖性比率作巖比圖更加合理有意義。
  9. Then it is possible to realize high compression ratio of images. in this paper the principle of which wavelet transform can be used in images compression is discussed on basis of statistics and analysis of image ' s wavelet coefficients after wavelet decomposition. also some kinds of quantify and coding schemes are discussed including scalar quantization, vector quantization, embedded zerotree wavelets encodings run length coding, huffman coding and so on

    論文對圖像經分解后的小波系數進行統計與分析,闡述了小波變換所以能夠用於圖像壓縮的道理,並在此基礎上討論了多種量化和編碼方案的設計與實現,包括標量量化、矢量量化、嵌入小波零樹編碼、行程編碼、哈夫曼編碼等,其中對jpeg2000採用的標量量化和嵌入小波零樹編碼作了重點討論和分析。
  10. This dissertation thus aims at helping the development of computerized tongue diagnosis and researching on the methodology of color training and classification of tongue images. the main contributions of this dissertation include : designing the framework of pixel - based tongue color classification system ; proposing the 2 - stage fcm algorithm and solving the tongue color model construction problem in pixel - based tongue color classification system ; proposing the dynamically local knn algorithm for tongue substance and tongue coating color classification, and improving the system speed greatly ; proposing the 12 - dimension feature vector of color ratio and applying it to color classification of tongue image ; doing research on the automatic diagnosis of diseases and symptoms using color, texture and shape information

    本文的主要貢獻在於:設計了基於像素的舌顏色分類系統結構;提出了半監督學習方式的「二次fcm演算法」 ,解決了基於像素的舌顏色分類系統的舌色苔色分佈模型的建立問題;提出了「動態局部knn演算法」並將其應用於舌色苔色分類中,解決了舌色苔色分類的速度問題;提出了舌圖像的「 12維顏色比例特徵向量」 ,並應用其實現了對舌圖像的顏色分類;採用顏色、紋理和舌形的信息融合方式,對疾病和證候的自動診斷進行了研究。
  11. As the ratio of peak samples to total training samples is low, the prediction accuracy of peak load is poor when applying support vector machine ( svm ) model to predict a periodical load

    在應用svm模型于具有周期性負荷的預測時,由於在訓練樣本中峰值或谷值樣本所佔比例很少,從而導致峰值荷載預測精度不高。
  12. After introduce the main technologies of ac regulation speed, the paper deduces in details the voltage space vector pulse width modulation ( svpwm ) technology and svpwm ' s vector selection of constant ratio of voltage and frequency

    本文在介紹了交流調速系統的種種主流技術后,較為詳細地討論了電壓空間矢量脈寬調制( svpwm )技術,並對恆壓頻比且為同步調制時的svpwm矢量的選擇,進行了細致地推導。
  13. Firstly, a simple and practical representing method of the tooth edge tangential vector is applied to replace the traditional differential formula, the simple solving technique of edge contact problem makes the geometric edge contact analysis of the complex curve surface realize. secondly, using numerical searching and mathematical programming method solves the contact directions and loaded contact problem. finally, whole numerical simulation method is provided for loaded tooth contact analysis of high contact ratio spiral bevel gears

    首先以一種簡單實用的輪齒邊緣切矢量的數學表示方法取代了經典的微分表達式,大大簡化了幾何邊緣接觸的求解,使復雜曲面的幾何邊緣接觸分析得以實現;其次又採用數值搜索與數學規劃法求解了邊緣接觸的主方向和承載接觸問題,為高重合度弧齒錐齒輪承載嚙合全過程的數值模擬提供了完整的方法。
  14. Application of support vector machine to oil recovery ratio modeling

    支持向量機在原油採收率模型中的應用
  15. Another method is based on the multi - resolution property of the wavelet. because different signal modulation has different characteristics at certain resolution, the specific signal information at different resolution are used a vector of signal features to identify signal modulation by rbf neural network. computer simulations show the methods proposed has good performance even in low snr ratio

    基於小波的多解析度特性,在本文中利用小波分解獲取信號在不同分解水平下的細節信息,將這些細節信息構成特徵向量,由於不同信號類別具有不同的細節信息,於是可以將這些特徵向量通過徑向基函數( rbf )神經網路進行訓練與識別數字調制信號。
  16. We also discuss the design of cavity that is used in experiment 、 means for how to stir electromagnetic wave and choice of diameter / length ratio for cavity. final, we have made an experiment to cigarette with apparatus made up of vector network analyzer ( vna ) and cavity that is designed by ourselves, regressed the equation with matlab software, analyzed measurement errors, put forward some means that reduce measuring error

    最後,使用自己設計的諧振腔和矢量網路分析儀搭成的實驗裝置對卷煙進行了密度測量實驗研究,並用matlab軟體對測量數據進行了回歸擬合,建立了密度測量的方程,並對測量誤差作了分析,提出了進一步減小誤差的途徑。
  17. We investigate the decision - making problem with a finite set of alternatives, in which the decision information takes the form of a fuzzy preference relation. we develop a simple and practical approach to obtaining the priority vector of a fuzzy preference relation. the prominent characteristic of the developed approach is that the priority vector can generally be obtained by a simple formula, which is derived from a quadratic programming model. we utilize the consistency ratio to check the consistency of fuzzy preference relation. if the fuzzy preference relation is of unacceptable consistency, then we can return it to the decision maker to reconsider structuring a new fuzzy preference relation until the fuzzy preference relation with acceptable consistency is obtained. we finally illustrate the priority approach by two numerical examples. the numerical results show that the developed approach is straightforward, effective, and can easily be performed on a computer

    研究了決策信息以模糊偏好關系給出的有限方案決策問題,提出了一種簡潔且實用的模糊偏好關系排序方法.該方法首先建立一個二次規劃模型,然後基於該模型推導出求解模糊偏好關系排序向量的一個簡潔公式.基於獲得的排序向量,利用一致性比例對模糊偏好關系進行一致性檢驗.對於一致性較差的模糊偏好關系,則需反饋給決策者重新進行判斷,直至得到一個一致性可接受的模糊偏好關系為止.最後,利用2個算例對該方法進行分析和說明,數值結果表明該方法簡潔、有效,且易於在計算機上操作
  18. And the technology can also control the vector of a primary jet, the ratio of momentum between the synthetic jet and the primary jet is a main influence factor, and the vectoring control of primary jet is also effected deeply by the position and the frequency of actuators

    應用合成射流技術可以有效控制宏觀低速流流動方向,其控制強度由宏國防科學技術大學研究生院學位論文觀流動與合成射流的動量比決定,而合成射流激勵器的工作頻率以其布置位置對主流的控制效果影響很大。
  19. Correlation vector quantization ( vq ) is an effective technology for data compression. it is widely used in various image - coding systems because of its high compression ratio

    相關矢量量化是一種有效的數據壓縮技術,因其具有較高的壓縮率而被廣泛應用於各種圖像壓縮編碼系統中。
  20. There are three means to decrease the number of attributes : delete irrelevant attributes to the task using fisher ' s discriminant ratio ; merge correlate attributes according to pearson ' s correlation coefficient ; reduce the dimensionality of the attribute vector by singular value decomposition

    在屬性選取時根據fisher函數把對分類影響小的屬性刪除,由pearson ' scorrelationcoefficient將相關聯的屬性合併,用singularvaluedecomposition減少屬性向量空間的維度。
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