magnetic-field vector 中文意思是什麼

magnetic-field vector 解釋
磁場矢量
  • magnetic : adj. 1. 磁(性)的;(可)磁化的。2. 吸引人心的;有魅力的。3. 催眠術的。
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • 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. Fluxgate magnetometer is a kind of vector magnetometer which has the ability of measuring the components of magnetic field directly. the fluxgate instrument is variometer based on magnetization non - linearity of " soft " magnetic material

    磁通門磁力儀是直接測量地磁場分量的矢量磁力儀,是一種基於「軟」磁材料磁化特性的非線性的地磁相對記錄儀器。
  2. Maxwell ' s equations conserve certain properties ? the magnetic field intensity, the electric displacement field and the poynting vector that describes the electric flux of an electromagnetic field

    麥克斯韋方程中有某些特性是恆定不變的磁場強度、電位移場以及描述電磁場電通量的坡印廷矢量。
  3. In the last part of the paper, we derive the euclidean equation of motion of the magnetic vector in a theoretical magnetic film consisting of biaxial - anisotropic molecular ferromagnets, which is reduced to the 2 + 1 dimensional sine - gordon field equation in the strong anisotropy limit. we obtain various domain structures which are the static solutions of the sine - gordon field equation

    最後考慮由雙軸各向異性分子磁體形成的理想無界膜,在強各向異性極限下,採用半經典近似方法,將磁化矢量的時空運動方程約化為2 + 1維sine - gordon場方程,從而得到各類疇結構。
  4. Expanding the system ' s hamiltonian to a real symmetric matrix in an appropriate orthogonal basis vector and then diagonalizing it, we get the energy spectrum of the system and calculate the energy level spacing distribution function and the spectral rigidity. then we study the statistical character of the energy spectrum under the changing of magnetic field intension and find that the system ' s motion transfers from regular to chaos gradually

    將系統的哈密頓量在一個適當的正交基矢下展開並對角化,得到系統的能譜,分別計算系統能譜的能級間距分佈函數和譜剛度,研究了該系統量子能譜的統計特徵隨磁感應強度大小的改變而表現出的系統運動由規則到混沌的漸進變化。
  5. The vector magnetic potential of a system consisting a line electric current and an infinite long magnetic dielectric column is calculated with the method of separation of variables and method of images, it is pionted out that the vector magnetic potential of a system consisting a line electric current and a magnetic dielectric plane, an ideal paramagnetic column, a superconductor column, and a line electric current in homogeneous magnetic field can all be deduced from our calculation

    摘要用鏡象電流法和分離變量法計算了線電流與無限長磁介質圓柱系統的磁矢勢,指出線電流與無限大磁介質分界平面、線電流與超導體圓柱、均勻外磁場中有磁介質圓柱系統時的磁矢勢都可以由線電流與磁介質圓柱系統的磁矢勢的極限情形給出。
  6. Thereby it can be deduced that the vector character and latitude effect of the geomagnetic field exert little influence upon the applicability and reliability of metal magnetic memory testing and diagnostic technique

    從而推知:地磁場的矢量特性和緯度效應對金屬磁記憶檢測與診斷技術適用性和可靠性的影響都不大。
  7. Finally enzyme is covalently immobilized. the reclaimed efficiency of immobilized enzyme that is prepared by this vector is over 76 %, but others are between 45 % and 65 %. it shows that activated magnetic polymer composite microspheres is an efficient vector that can be applied immobilization field

    通過這類載體制備的固定化酶的酶活回收率在76以上,而由一般載體制備的固定化酶的酶活回收率在45 - 65之間,這表明活化后的磁性高分子復合微球是一類可以應用於酶固定化領域的高效載體。
  8. Secondly, the signature of ship ' s magnetic field is simulated on the basis of the precious work. the adaptive weight vector method is used to detect the signal of magnetic field

    接下來,本文利用艦船磁場的建模理論,模擬了磁場通過特性曲線,利用自適應權向量方法對模擬的艦船磁場微弱信號進行檢測。
  9. In chapter 3, the mathematical modal of electromagnetic and temperature fields is presented by a complex magnetic vector potential, which is also applied to solve eddy current field in ansys software. then, the electromagnetic field analysis, thermal analysis and coupled - field analysis in ansys are introduced

    第三章:介紹了ansys中引入復矢量磁位計算電磁場、渦流場的方法以及溫度場求解的數學模型,簡述了ansys軟體中的電磁場、溫度場以及耦合場分析。
  10. And the converter will work on the strategy of vector control with the definitive direction of the stators magnetic field. also, the thesis develops the algorithm to corroborate the magnetic field ' s direction by the state ' s current and voltage. to validate the theory analysis of bdfg

    根據理論分析和模擬的結果,本文提出級聯式無刷雙饋發電機的控制策略是基於定子磁鏈定向的矢量控制方法,並推導了用定子側電壓電流量來確定定子磁鏈方向的演算法,繪制了相應的閉環控制框圖。
  11. Abstract : first, the key magnet statuses and their pertinent mmf. position of exterior rotor brushless dc motor are described in this paper. second, the air - gap magnetic field and the armature reaction of the three - phase six - step exterior rotor brushless dc motor used in electrical bicycle are analyzed by means of mmf. vector, mmf. integration and magnetic field fem respectively. some valuable conclu - sions for designing this kind of motor are obtained

    文摘:給出了外轉子無刷直流電動機的典型磁狀態及其對應的磁勢矢量位置,並用磁勢矢量合成法、磁勢積分法及電磁場的有限元方法對電動自行車用三相六狀態外轉子無刷直流電動機的氣隙磁場及電樞反應進行了詳盡的分析,從而得到有益於該種電機設計的結論。
  12. Besides, the motor control system based on the digital signal processor ( dsp ) is analyzed. the hardware circuit about the dsp system is designed. the dsp control software is programmed on the field magnetic orientated control and the space vector pulse width modulation ( svpwm ), that establishes the ' basis for implementing the modern control principle

    然後,又對基於數字信號處理器( dsp )的電機控制系統進行了分析,設計了dsp系統的硬體電路,並編寫和調試了空間磁場定向控制和空間矢量脈寬調制( svpwm )的dsp系統的軟體,為直線電機現代控制策略的具體實現奠定了基礎,並提出了對端部效應進行補償的控制方法。
  13. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬,然後建立滿足邊界條件的電場積分方程( efie )和磁場積分方程( mfie ) ,將物體表面的等效電磁流用rwg矢量基函數表示,最後利用伽略金法( rwg矢量基函數既作為基函數又作為檢驗函數)將電磁場積分方程轉化為矩陣方程求解未知電磁流系數,得到了表面的等效電磁流后,可以計算散射場和目標的雷達散射截面。
  14. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中,假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成,首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場:以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域,由於場源放置在內邊界面上,使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程,利用分離變量法求解,根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數,從而得到各場區矢量磁位的表達式。
  15. And the expression of magnetic flux density b is got by making use of the relation of magnetic vector potential a and magnetic flux density b. finally, the equation of the magnetic flux lines is given by way of describing the distributing of the magnetic field

    通過求解該邊值問題得到了相應的矢量磁位a的解析表達式,然後利用矢量磁位a和磁感應強度召的關系求得了磁感應強度b的解析表達式。最後為了更直觀地描述磁場的分佈給出了相應的磁力線方程。
  16. In some ways, an electron is just like such a spinning sphere of charge ? an electron has a quantity of angular momentum ( its “ spin ” ) and an associated magnetism, and in an ambient magnetic field its energy depends on how its spin vector is oriented

    就某種意義而言,電子可類比於一個旋轉的帶電小球:它帶有角動量(就是自旋)以及伴隨而來的磁性,而它的能量是由自旋向量與外加磁場的關系來決定。
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