矢量空間 的英文怎麼說

中文拼音 [shǐliángkōngjiān]
矢量空間 英文
vector space
  • 矢 : Ⅰ名詞1. （箭） arrow 2. （尿） excrement; dung; feces 3. （姓氏） a surname Ⅱ動詞（發誓） vow; swear
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 空間 : space; enclosure; room; blank; interspace
  1. A svpwm control algorism for three - level inverter and its simulation

    三電平逆變器空間電壓矢量控制演算法模擬研究
  2. Based on the three new supposition and the tow new mechanical tools : moment vector and radius vector, the warping theory introduced the analytical method of the rotation of a cross section around a fixed axis, so as to make the space stability of the thin - walled member complanate and one - dimensioned

    翹曲理論以三條新的假定和新建立的彎矩矢量和轉角向徑兩大力學工具為基礎，提出了繞定軸轉動的分析方法，使薄壁構件的空間變形平面化、一維化。
  3. Analyse the tooth geometry of klingelnberg cyclo - palloid spiral bevel gear., according to the relative position and kinematic relation of the cutter heads, virtual crown gear and the processed wheel blank, established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg cyclo - palloid spiral bevel gear, and drawing the three - dimensional graphs of the virutal crown gear and klingelnberg cyclo - palloid spiral bevel gear according to the design and setting parameters

    對克林貝格擺線齒錐齒輪進行齒面幾何分析。根據銑齒加工中刀盤、搖臺和輪坯的相對位置和相對運動關系建立了切齒嚙合坐標系，由矢量的旋轉推導了產形輪齒面方程;根據空間嚙合原理和切齒嚙合關系推導了被加工齒輪的齒面方程;由設計參數和銑齒調整參數計算得到齒面離散數據，繪制了產形輪和擺線齒錐齒輪的三維齒形。
  4. In an infinite dimensional space there always exist two subspaces whose vector sum is different from their span.

    在一無限空間中恆存在兩個子空間，其矢量和與其張成空間不同。
  5. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。
  6. Svm maps input vectors nonlinearly into a high dimensional feature space and constructs the optimum separating hyperplane in the spade to realize modulation recognition

    支撐矢量機把各個識別特徵映射到一個高維空間，並在高維空間中構造最優識別超平面分類數據，實現通信信號的調制識別。
  7. There are two kinds of retrieval model, full text retrieval and content retrieval, and the vector space model ( vcm ) of the latter is a widely - used method with better effect. the best excellence of vcm is the predominance of knowledge presentation, which expresses documents with vectors in vector space and changes the comparability issue to the distance of vectors, and thus reduces the complexity of documents matching. however. we can not affirm the absolute effect of it, and in this thesis we prove its nonproficiency through experiments

    向量空間模型最大的優點在於知識表示方法上的巨大優勢，用n維空間的向量表示文檔，用向量之間的夾角表示文檔的相似度，從而將文檔信息的匹配問題轉化為向量空間中的矢量匹配問題，將難以計算的文字量化成很容易計算的實數，使問題的復雜性大大減小。但是，並不能夠說目前的向量空間模型是最理想的，本文通過實驗證明了vcm表達信息的不精確性。
  8. Linear vector space

    線性矢量空間
  9. Chapter 5 is the direct extension of chapter 2, namely it maps sq field to vq field

    第五章是上一章介紹的tcq方法由標量空間向矢量空間的直接拓展。
  10. Fixed point theorem and system of generalized vector equilibrium problems in the product space of topological vector spaces

    乘積拓撲矢量空間中的不動點定理和廣義矢量平衡問題組
  11. 4 press w et al. numerical recipes in c : the art of scientific computing. 2nd edition, cambridge : cambridge univ

    然而值得注意的是，扇形在仿射空間中並不是一個曲線，它只是矢量空間中的一個矢量場。
  12. The secure threshold secret sharing scheme and the secure vector space secret sharing scheme proposed in the dissertation can meet this need

    本文提出的安全的門限秘密共享方案和安全矢量空間秘密共享方案能夠滿足這一要求。
  13. A vector space secret sharing - multisignature scheme is proposed based on vector space secret sharing scheme and multisignature scheme. the security of this scheme is analyzed

    把矢量空間秘密共享方案與多重簽名方案結合起來，建立矢量空間秘密共享-多重簽名方案，並對該方案的安全性進行了分析。
  14. This dissertation reviews the research advances of secret sharing schemes, designs secure threshold secret sharing schemes, and constructs secure and efficient secret sharing schemes based on vector space access structure

    本文闡述了秘密共享方案的研究現狀及背景，設計了安全門限秘密共享體制，並在此基礎之上構造安全有效基於矢量空間訪問結構的秘密共享體制。
  15. Because ga possesses the traits of can global random search, the robustness is strong, been use briefly and broadly, it didn ’ t use path search, and use probability search, didn ’ t care inherence rule of problem itself, can search the global optimum points effectively and rapidly in great vector space of complicated, many peak values, cannot differentiable. so it can offset the shortages of nn study algorithm, can reduce the possibility that the minimum value get into local greatly, the speed of convergence can improve, interpolation time shorten greatly, the quantity of training reduce

    因為遺傳演算法具有全局隨機搜索能力，魯棒性強、使用簡單和廣泛的特點，它不採用路徑搜索，而採用概率搜索，不用關心問題本身的內在規律，能夠在復雜的、多峰值的、不可微的大矢量空間中迅速有效地尋找到全局最優解，所以可以彌補神經網路學習演算法的不足，使陷入局部最小值的可能性大大減少，使得收斂速度提高，訓練量減小。
  16. 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。
  17. In general, it can be classified into speaker identification and speaker verification according to decision modes. this thesis focuses attention on research of text - independent speaker recognition technology based on vector quantization. lbg algorithm is one of the common and important methods used in speaker recognition

    在說話人識別方面，由於矢量量化技術可以有效地提取說話人的個性特徵，矢量量化碼本可以在最佳意義上代表說話人特徵矢量空間中的所有矢量，因而矢量量化碼本可作為說話人有效的識別模型，而模型建立的關鍵問題是獲得高質量的碼本。
  18. When there is not a trusted share distribution center, this dissertation gives a solution how the group signature is realized for vector space access structure, or constructs a vector space secret sharing - multisignature scheme without trusted share distribution center, and analyzes its security. the generalized - multisignature scheme is proposed based

    在該方案中，參與者共享rsa簽名方案的秘密密鑰，能保證矢量空間訪問結構中參與者的授權子集產生有效的rsa群簽名，而參與者的非授權子集不能產生有效的rsa群簽名。
  19. Our main idea is to map the singular problem in high - dimensional space into a nonsingular problem in reduced dimensional space without any loss of optimal discriminatory information with respect to fisher criterion

    在該理論框架下，最優鑒別矢量集的計算只需要在一個低維向量空間內進行，從而極大地提高了求解效率。
  20. This scheme can efficiently prevent adversaries from getting the secret or shares, and prevent some participants from cheating others. afterwards, the threshold secret sharing scheme with periodic renewing to identify cheaters is extended to the vector space access structure, and a vector space secret sharing scheme with periodic renewing to identify cheaters is proposed

    然後將定期更新防欺詐門限秘密共享方案加以推廣，使其適合於矢量空間訪問結構，得出定期更新防欺詐限矢量空間秘密共享方案，該方案包括門限方案作為其特殊情形，所以該方案具有更廣泛的適應性。
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