magnetic variable 中文意思是什麼

magnetic variable 解釋
磁變量
  • 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。
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. These ions pass through a slit of variable aperture and then enter the magnetic field analyzer.

    這些離子通過可變寬度的狹縫進入磁場分析器。
  2. A synchronous motor can be used to drive a fan through a variable-speed magnetic coupling.

    一個同步電動機能夠通過變速磁性聯軸帶動風扇。
  3. Magnetic cataclysmic variable

    磁激變變星
  4. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  5. Based on the variable viscosity properties of magnetorheological ( mr ) fluids with the variation of a external magnetic flied resulted from adjustable and controllable electric current, a magnetorheological vibration isolator is developed

    利用電磁流變流體在外加可調控電流導致不同磁場強度下其粘度可變的特性，研製了一種電磁流變智能隔振裝置。
  6. Nonlinear analysis of thin current - carrying annular plate with variable thickness in the electro - magnetic field and mechanical load

    載流變厚度環形薄板在電磁場和機械載荷作用下的非線性分析
  7. This paper studies and designs a variable frequency speed regulation system applied to induction motors by means of votating speed difference frequency fuzzy control. the general scheme of the system is presented. circuits and software are designed for the major parts of the system such as constant magnetic linkage control frequency converter and votating speed difference frequency fuzzy controller

    本文對異步電動機轉差頻率模糊控制變頻調速系統進行了較為詳細的研究和設計，給出了系統的總體方案。對于系統的主要組成部分? ?恆磁鏈控制變頻器和轉差頻率模糊控制器進行了設計。
  8. This dissertation is concerned with the applications of variable structure control ( vsc ) of active magnetic bearing ( amb ) to high speed milling spindles and flexible rotor systems

    全文工作取得如下創造性成果:首次將變結構控制策略用於磁懸浮機床主軸的主動控制。
  9. Collective radiation spectra of the resonant inverse compton scattering of the assembly of relativistic electrons in a variable magnetic field

    變化磁場中相對論電子系集體的共振逆康普頓散射譜
  10. Abstract : the anti - plane problem in transversely isotropic magnetoelectroelastic materials containing an elliptic inclusion is considered by using the complex variable approaches. the analytical expressions for the field variables in both the matrix and the inclusion are obtained when the stresses and the electromagnetic fields at infinity are uniform. the results show that the stress, the electric displacement and the magnetic induction inside the inclusion are constants

    文摘:用復變量方法研究了橫觀各向同性電磁彈性固體的反平面夾雜問題，得到了遠場均勻應力和電磁場作用下夾雜內外彈性場和電磁場的解析表達式，結果表明夾雜內的應力、電位移和磁感應強度為常量。
  11. In single magnet modeling, from the air gap magnetic - flux density, single magnet linear model which take the flux density as the state variable is obtained, and used the fitting formula which the magnetic field analysis had obtained to revise the model parameters

    在對單鐵的建模中，從氣隙磁通密度的角度出發，得到了以磁通密度為狀態變量的單鐵線性模型，並採用磁場分析得出的擬合公式修正了模型參數。
  12. In order to achieve speeds of 300mph, the transrapid vehicles used by uk ultraspeed literally float above a fixed guideway track on an electro - magnetic cushion and are guided, propelled and braked by variable frequency electric currents passed through the guideway

    為達到時速300英里以上的速度， uk ultraspeed項目採用的transrapid車輛實際上是將一個電磁墊懸浮於固定導軌上方，並由通過導軌的變頻電流引導、推進和剎車。
  13. Variable - frequency adjusting speed based on dsp of the permanent magnetic synchronous motor control system

    的永磁同步電機變頻調速系統設計研究
  14. Variable magnetic - resistance type transducer

    變磁阻式傳感器
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