vector group 中文意思是什麼
vector group
解釋
矢量組-
Methods in evaluating integrals, some complex variable methods, infinite series, special function, ordinary differential equations, vector and materials, groups and group representations
計算積分的方法、復數方法、無線級數、奇殊函數、微分方程、向量及矩陣、群論。 -
During the calculation of crystallography, we always need to make some calculation such as vector length, angle between vectors or planes etc. this is a group of scilab functions which can make some common calculation
晶體學計算過程中經常需要計算矢量長度、矢量夾角等。此scilab工具箱提供了一組適用於任何晶體結構的函數，可以在輸入晶格常數的前提下，計算一些常用的晶體學數據。 -
The acceptability our rejection and the depiction of some content in the course " mechanisms and machine theory " is discussed, ( e. g., group dividing, solving steps of the graphical method for vector equation, versions and methods for analytical kinematic analysis, inversion design for linkage mechanisms, crank angle between the two limiting positions, design formulae for cam mechanisms, classification of combined mechanisms, formula of the radius of addendum circle of gear, balancing of machinery, etc. ) and some new opinions are presented
摘要就《機械原理》課程的某些內容（如：拆桿組的方法、矢量方程圖解法的解題步驟、運動分析解析法的版本和方法、連桿機構的反轉法設計、極位夾角、凸輪機構設計公式、組合機構的分類、齒輪齒頂圓半徑公式、機械的平衡等）的取捨和敘述進行探討，提出一些新的看法。 -
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。 -
A hybrid support vector machine based on gauss kernel - function and gauge - group classification algorithm
核函數和規范群分類演算法的混合支撐向量機 -
Based on the mfc ( multicast forwarding cache ) formed by multicast protocol such as dvmrp ( distance vector multicast routing protocol ), pim ( protocol independent multicast ), we can build special lsp ( lable switch path ) for certain source group couple to transport multicast data flow using ldp ( lable distribute protocol ) or cr - ldp. based on the zxb10 switching router of zte co. we can now support dvmrp within the context of mpls networks
本文主要研究mpls網路對ip組播業務的支持，根據現有的ip組播協議如dvmrp 、 pim等所生成的組播轉發表（轉發樹） ，利用mpls網路的ldp （標記分發協議） cr - ldp （顯式路由標記分發協議）為特定的源組對確立lsp （標記交換路徑） 。 -
In the first part, hilbert ' s 16th problem and the studies on it are introduced, and the results of zq - equivariant vector fields of degree 5 ( q = 2, 3, 5, 6 ) are given. in the second part, the definitions of zq - equivariant vector fields and the method of detection functions are stated, and all the forms of nontrivial zq - equivariant planar polynomial vector fields of degree 7 are obtained. in the third part, a concrete numerical example of zt - equivariant perturbed planar hamiltonian system of degree 7 is constructed, and for the unperturbed vector field having maximal number of centers, its global phase portraits are analyzed ( having at least 9 topologically different phase portraits ). then, for a given parameter group, its phase portrait trend is studied
第一部分介紹了hilbert第16問題以及它的研究與發展現狀，給出了近年來利用李繼彬提出的判定函數法得出的z _ q -等變（ g = 2 ， 3 ， 5 ， 6 ）的5次系統關於它的第二部分的研究結果；第二部分介紹了z _ q -等變向量場以及判定函數法，給出了7次平面多項式系統的所有非平凡z _ q -等變向量場具有的形式；第三部分給出了一個7次平面擾動hamilton系統，研究了它的具有最大中心數的未擾動系統（ z _ 7 -等變）的全局象圖，得到了9種不同的拓撲圖形。 -
To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface
以圓矢量函數和回轉運動群為工具討論了曲面的誤差變換，利用理論橢球面的誤差曲面建立了實測曲面的數學模型，通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。 -
In this paper, first, the study of the distribution of electromagnetic field, energy, power, reflection coefficient and transmission coefficient in waveguide with piecewise different dielectric constants are studied. then, the behavior of propagation of am signal and gauss pulse signal through the waveguide are simulated by magic code ， and the plots of electromagnetic field, energy, ponyting vector and their spectrums at different time and different position are obtained. and, the group velocity and energy velocity of wave packet through barrier are calculated
從90年代開始， emig和martin 、 landauer等人研究了分段填充不同介質的波導中的電磁脈沖的傳播。在本論文中，作者首先推導出分段填充不同介質的波導中的電磁場分佈、能量、傳輸功率以及反射系數和傳輸系數的表達式，然後，採用magic程序模擬了這種波導結構中電磁波的傳播情況，得到了在不同時刻和不同位置處的電磁場分布圖、能量圖、坡印廷矢量圖以及它們的頻譜圖，並由模擬結果計算了波包穿越勢壘的群速和能量速度。 -
The main factors of probabilistic neural network including the hidden neuron size, hidden central vector and the smoothing parameter, to influence the pnn classification, are analyzed ; the xor problem is implemented by using pnn. a new supervised learning algorithm for the pnn is developed : the learning vector quantization is employed to group training samples and the genetic algorithms ( ga ’ s ) is used for training the network ’ s smoothing parameters and hidden central vector for determining hidden neurons. simulations results show that, the advantage of our method in the classification accuracy is over other unsupervised learning algorithms for pnn
本文主要分析了pnn隱層神經元個數，隱中心矢量，平滑參數等要素對網路分類效果的影響，並用pnn實現了異或邏輯問題;提出了一種新的pnn有監督學習演算法:用學習矢量量化對各類訓練樣本進行聚類，對平滑參數和距離各類模式中心最近的聚類點構造區域，並採用遺傳演算法在構造的區域內訓練網路，實驗表明:該演算法在分類效果上優于其它pnn學習演算法 -
By new the vector - mixer calibration technique has bees teed in our project, the test results show that vector - mixer slaved measuring absolute group delay of frequency converters successfully
矢量混頻器技術已在工程中應用，測試結果表明，矢量混頻器技術較好地解決了變換鏈路絕對群時延的測量。 -
To reduce the dimensions of rbf network input vector farther, this thesis detects the 41 feature group by group
為了進一步減少rbf網路輸入向量，本文對41個特徵進行了分組檢測。 -
The definition and measurement techniques for group delay has been described and analysed in this paper, the new techniques, being called dine - mixer technique and vector - mixer calibration for measuring the absolute group delay of the frequency converters has been researched and analysed in detail also in this paper
摘要描述和分析群時延的含義和測量方法，著重研究了變頻鏈路絕對群時延的測量方法，對三混頻器和矢量混頻器技術進行了詳細分析和論述。 -
While there are some difference in amino acid with other group ( except tw 95 ), the amino acid in 65 - 75 of hn of ndv group are conserved, while he in 81 is conserved. based on epitope prediction, five pairs primers are designed with enzyme sites. five segments of f1, f2, f3, f4 and hn1 coding epitope was amplified and cloned to prokaryotic expression vector, respectively
在表位預測的基礎上，將臨近的表位合併，設計引物並引入酶切位點，以fa 、 fb 、 hna為模板擴增含抗原表位的多肽片段f1 、 f2 、 f3 、 f4 、 hn1 ，克隆到原核表達載體ppro ~ （ ex ） ht上，成功地構建了五個表達載體。 -
Results : the retroviral vector containing vegf gene was constructed successfully. immuohistochemistry showed that it expressed vegf protein in bmsc plasma ( brown staining ) and the experimental study confirmed that its mvc was higher than that in control group ( p < 0. 01 ). conclusion : gene transfer technology mediated by retroviral vector
結果:成功構建vegf逆轉錄病毒表達載體，免疫組化方法顯示經感染的bmsc胞質中有陽性棕色顆粒出現，且動物實驗顯示新生血管計數明顯高於對照組（ p < 0 . 01 ） 。
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