無矢量 的英文怎麼說

中文拼音 [wúshǐliáng]
無矢量 英文
scalar
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 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
  1. 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。
  2. Kernel mapping based algorithm for uncorrelated discriminant vectors set

    基於核映射的無相關鑒別矢量集演算法
  3. Irrotational and solenoidal split problem on a dyadic green ' s function of the field vector

    一類場矢量的並矢格林函數無旋和無散分解問題
  4. This dissertation is the result of the research and development of a speed - sonserless field - oriented controller ( foc ) system of induction motor

    本論文的研究目標是感應電機無速度傳感器矢量控制系統的實現。
  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. Since scalars are independent of the coordinate system, the dot product of two vectors is called a scalar invariant.

    因為標量與坐標系無關，故兩個矢量的點積稱為標量不變量。
  7. A coding scheme is proposed to eliminate the redundancy of output vectors in pyramidal lattice vector quantization ( plvq ). a fast algorithm of labeling lattice points and a fast algorithm of finding lattice points are presented. and the transmission priority in case of asynchronous transfer mode is suggested

    提出了一種與圖象本身無關的熵編碼方法去消除金字塔格型矢量量化（ plvq ）的輸出冗餘：同時也提出了由格點輸出索引和由索引輸出格點的快速演算法；而且還根據異步傳輸模式（ atm ）的特點，選擇了傳輸的優先級。
  8. In the process of solving, poles are obtained from recurrent formula, modal vector are obtained from superposition formula not residuary. decoupled equation is derived when vibration source is part correlation, severely coupling appears in the process of input and output then frequency response function cannot directly get according to method mentioned above, decoupling is first problem

    當輸入完全相關時，頻響函數無解，可繞過頻響函數，直接運用線性系統的迭加原理來求響應，極點由遞歸公式得出，模態矢量由疊加公式求出，而不是由留數求得的相應的公式。
  9. The order of adding the vectors is unimportant.

    矢量相加的次序是無關緊要的。
  10. Based on the ls alg orithm, the mobile packet routing is implemented using the propagation mode of d bf algorithm and the global routing topology table ( rtt )

    基於鏈路-狀態演算法，採用距離-矢量演算法的傳播方法和全局的路由拓撲表，實現了移動分組無線網的抗毀式路由協議。
  11. This should be an incentive to apply the rrpa method with non - linear effective lagrangians to study other systems such as unstable nuclei near drip lines. for nuclei with the extreme value of n / z, low - lying collective excitations are found in isovector dipole modes, which are mainly due to the particle - hole excitation of weakly bound states near fermi surface and the isospin mixture effect

    將相對論無規位相近似理論推廣應用到奇特核集體激發態的研究，發現對于奇特核的同位旋矢量激發模式在很低能量下會出現軟模式的巨偶極共振，這主要是由於費米面附近粒子-空穴激發所形成的。
  12. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷直流電動機，本文提出一種基於六個離散位置信號的自同步svpwm （電壓空間矢量法）控制方法，用以削弱電磁轉矩脈動，分析了實現這種方法的主要控制環節，包括起動時電壓空間矢量的初始定位，阻抗角與電流超前角的合理選擇以及連續轉子位置的估計等。
  13. A novel motion estimation algorithm which is based on compensability analysis of the input video signal is proposed. the motion estimation operation is performed only on the compensable blocks in the image frame. the time of estimation computation and the bits for coding the motion vectors are all reduced significantly than those of conventional algorithms

    本文介紹了一種新穎的運動矢量估計演算法，我們首先對待編碼的圖像進行可補償性分析，然後運動矢量搜索只對可補償塊操作，因此無論是搜索次數還是用於對運動矢量編碼的比特數均明顯少於傳統演算法
  14. Vector - contorl wvf system of asynchomous motor is a high performance speed - control system and has been used in a lot of situations of high precision and high performence. in the base of vector - control, some control methods are developing, for example speed - sensorlesss control and self - adaptation control

    矢量變換控制的異步電動機變頻調速系統是一種高性能的調速系統，已經在許多需要高精度、高性能的場合中得到應用。以矢量變換為基礎的許多控制方法，諸如無速度傳感器控制、自適應控制等正在發展中。
  15. Static ir drop analysis is independent with input vectors, so the speed is very fast. dynamic ir drop analysis is dependent on input vectors, so it ' s time consuming

    摘要在分析方法上，靜態irdrop分析與測試矢量無關，速度很快；而動態irdrop分析是與測試矢量密切相關的，計算過程非常耗時。
  16. The relativistic random phase approximation ( rrpa ) is a relativistic extension of the random phase approximation for studying microscopically nuclear dynamical excitations and giant resonances. the consistency of rrpa calculations requires two aspects : first, it demands that the relativistic mean - field wave " function of nucleus and the particle - hole residual interactions in the rrpa are calculated in a same effective lagrangian. second, the consistent treatment of rrpa within rmf approximation requires the configurations including not only the pairs formed from the occupied fermi states and unoccupied stat es but also the pairs formed from the dirac states and occupied fermi states

    自洽的相對論無規位相近似理論的自洽性要求有兩方面的內容：第一，描述原子核的激發態性質和基態性質時必須從同一個有效的拉矢量出發；第二，相對論無規位相近似計算，不但要考慮正能的粒子-空穴組態的貢獻，而且還要考慮從fermi海核子態到dirac海負能核子態形成的對激發的貢獻。
  17. 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。
  18. In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current

    本文首先比較了幾種變速恆頻方案，從中選擇了雙饋式變速恆頻方案；它運用雙饋電機的工作原理，允許發電機轉速變化，而在電機轉子側接入低頻勵磁電流，通過控制該電流的頻率，保證雙饋電機定子輸出的頻率恆定；再結合矢量控制技術，通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量，相應獨立地控制發電機輸出的有功功率和無功功率。
  19. The use of inertia dyadics enables one to deal with certain topics involving inertia vector and inertia scalars in a basis-independent way.

    在處理包含慣性矢量和慣性標量的某些問題時，應用慣性張量則可作到與基無關。
  20. In the tour information system vector chart and the traditional ordinary traveling map compares, the main superiority lies in : not having the map sheet limit ; the current situation good ; manifestation diversification

    旅遊信息系統中的矢量化圖與傳統紙質普通旅遊地圖相比，主要優勢在於:無圖幅限制;現勢性好;表現形式多樣化。
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