磁場軸線 的英文怎麼說

中文拼音 [chǎngzhóuxiàn]
磁場軸線 英文
magnetic axis
  • : 名詞1. [物理學] (磁性; 能吸引鐵、鎳等的性質) magnetism 2. (瓷) porcelain; china
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 磁場 : [物理學] (傳遞運動電荷或電流之間相互作用的物理場) magnetic field
  • 軸線 : 1 [機械工程] axis; axle; [地質學] axial trace; axial cord; axis shaft line; shaft line 2 [紡織] s...
  1. Birds and compasses know north from south because, like a giant bar magnet, the earth ' s magnetic field has two poles that line up closely with the planet ' s axis of rotation

    候鳥與指北針都知道何為北方、何為南方,因為地球就像一條巨型鐵棒,它的有兩極,且這兩個地和地球的自轉非常接近。
  2. According to biot - savart law, the general expression of magnetic field distribution generated by circular current in space has been calculated in this paper, which further discusses the magnetic field in the plane, the central axis and the far space

    摘要直接由畢奧薩伐爾定律的計算公式,在更為普遍的情況下,計算出了圓形電流在全空間的分佈,並進一步討論了其在中心上、平面內及遠區的感應強度。
  3. In the anistropic magnetic medium under the condition of magnetic permeability 11unequal to 33, the magnetic field on axis line of current - carrying coil and that inside current - carrying solenoid can be calculated by applying biot - savart law of that medium. as the condition of their service is restricted, it is necessary to derive the magnetic field on axial line of current - carrying coil and that inside current - carrying solenod under more general condition of 11unequal to 33. on the basis of the magnetic field on axial line of current - carrying coil in anisotropic magnetic medium under the derived condition of 11unequal to 33, the authors obtain the magnetic field on axial line of current - carrying solenoid in anisotropic magnetic medium under general condition of 11unequal to 33. the result shows a wider applicable coverage

    利用畢奧-薩伐爾定律,並在導率11 = 33的條件下,可求出各向異性介質中載流圓上的,以及載流直螺管內部的.顯然,其使用條件受到限制.為此,有必要導出在11 33的更一般情況下,各向異性介質中載流圓和載流直螺管內部的.在已導出11 33及各向異性介質中載流圓的基礎上,求出一般情況下各向異性介質中載流圓上的,使其結果適用范圍更廣
  4. The tm mode dispersion equation of the coaxial bwo in the infinite guiding - magnetic field is derived and solved numerically. the dispersion curve, operating frequency, and the growth rate are obtained

    採用性理論推導了無窮大引導下的同tm模式色散關系式,並編程數值求解了一定條件下的色散曲、時間增長率、空間增長率。
  5. Then the eigenequations were obtained by using the recursive relations among their coefficients

    利用電的系數遞推關系,進一步推出了此種同的特徵方程。
  6. Below are the work and results of the dissertation : 1. analytical solution to the eddy - current transducer with ferrite core according to the practical eddy - current transducer used in eddy - current not, the analytical model described by a solenoid coil with a coaxial cylindrical ferrite core of finite length " is established

    論文的主要工作和結論概括如下:一、渦流傳感器電解析解根據渦流無損檢測中實際使用的放置式圈傳感器,建立了含有共有限長芯的通電圓柱圈電分析模型。
  7. A linear theory of rbwo with inner - slot coaxial structure is analyzed detailedly, and the equation of dispersive relation is deduced and computered numerically. 4. particle simulation is used in rbwo respective with coaxial and partial structure. in the simulation, the output parameters of rbwo such as phasespace, contour, vector, voltage, current, output power, interaction efficiency and microwave radiation

    4 .對同和偏心返波管分別進行了粒子模擬,通過改變電壓、電流、電子注位置、等參數來觀察返波管加了內開槽前後相位空間、等位、矢量、電壓、電流、輸出功率、工作頻率的變化。
  8. It is found from the experiment that under the conditions of peak magnetic field of 0. 57t, beam pulse fwhm ( full width of half maximum ) of 44ns, a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced, when the intensity of the guiding magnetic field rises, the peak microwave power changes little but the width of the pulse reduces. the a - k gap also has obvious influence on the microwave radiation, the stable and higher microwave output is obtained under suitable gap

    實驗中還發現,在峰值0 . 57t和束流半高寬44ns情況下,得到了25ns半高寬和35ns底寬的微波脈沖信號,隨著導引增加,微波信號幅值基本不變,但國防科學技術大學研究生院學位論文是微波脈沖寬度會逐步減少;實驗中還發現圈位置有一定的向調節范圍,說明在向分佈的一定變化范圍內,器件都可以正常工作,這對以後的永系統導引的微波實驗有利。
  9. First, we make the basic need of magnetic circuit clearly, present the theory formulation for permanent magnetic circuit of radial polarization using the method of analyzing the theory of magnetic circuit of axis polarization, and program the calculational programme to simulate the magnetic field of magnetic circuit applying finite difference method. then we continue to study using the adult soft of femm of calculation magnetic circuit magnetic field, consider many factors affecting it, get a great lot of data and curves, give some better magnetic circuit structures for reference at our laboratory. in the end, with the condition of our lab, we measure the permanent magnetic circuit completed, then the experimental and calculational simulation results have been discussed and analyzed

    本文首先闡述了路計算及設計的基本要求,利用分析向永路理論的方法,推導出了求解徑向路的理論方程,應用有限差分法,編制了計算程序,對路的進行了模擬;然後利用比較成熟的計算軟體femm作深入研究,考慮了影響的多種因素,得出了大量數據和曲,給出了幾組比較合理的路結構,可供實驗的參考;最後,結合本實驗室條件,對現有永路進行了冷測,將測試結果和計算模擬結果作了比較,並進行了討論和分析。
  10. A new bearingless induction motor system with five degrees of freedom is developed including a bearingless induction motor and a permanent magnet biased axial - radial magnetic bearing. the control strategy of bearingless induction motor based on air - gap flux orientation is introduced, and the decentralization pid control is used to maintain equal air in the five degrees of freedom. the digital controller guarantees rotor suspension steadily, and the speed of rotor reaches 3000 rpm

    闡述了無承異步電機的氣隙定向控制策略,採用該非性控制方法能使無承異步電機解耦成轉矩子系統和懸浮徑向力子系統,從而可以採用經典pid對這兩個獨立的子系統進行控制,首次實現了系統在0 3000rpm轉速范圍內的穩定懸浮。
  11. By using the method of separation of variables, a recursive formula was derived for the electromagnetic fields in a circular coaxial cable with a radial conductor plate and filled with multilayered homogeneous isotropic media, and the relationship between the first and the nth layers of the electromagnetic fields was determined

    摘要採用分離變量方法,推導了有徑向導體板、填充均勻的多層各向同性介質的同各層電之間的遞推關系,得到了第1層與第n層介質中電的關系方程。
  12. However flux leakage is really exist, calculation through formular analytic method has more error, so electromagnetic field analysis is made by using finite element method ( fem ) in ansys7. 1 / multiphysics and ansys / emag programs. typical quantities of interest in a magnetic analysis are available such as magnetic flux density, magnetic field intensity, magnetic forces, power loss and flux leakage in the system of magnetic levitation. then gain the current in the coil which control levitation gap when the stage is stable

    由於存在漏,用公式的解析法計算有很大的誤差,因此本文採用有限元法( fem )來計算懸浮系統分佈,從而計算力,通過用ansys7 . 1軟體進行有限元電分析計算,得到平臺穩定懸浮時電圈所需電流、懸浮氣隙等控制參數,由於設計的懸浮系統為非對稱結構,採用2d分析有一定的誤差,而採用3d電分析更接近實際。
  13. The magnetically insulated transmission line oscillator ( milo ) is a coaxial crossed - field device. there exists great importance in the investigation either into the fundamental physics related to the beam - wave interaction or into the rule of electron movement in this device

    絕緣振蕩器( milo )是一種同正交器件,深入研究其內部的電子運動規律和束波相互作用的物理機制具有重要意義。
  14. Abstract : the distribution of axial magnetic field around the centre of helmholtz " coils has been thoroughly analyzed, a numerical method for estimation of the homogeneity of coils " magnetic field had been found, and the homogeneity curve is given

    文摘:分析了亥姆霍茲圈中心區域的分佈,找到了一種估計均勻區的計算方法,並給出了均勻區分佈曲圖。
  15. Experiments have demonstrated that, under the condition of constant temperature ( 20 ), the frequency error of double - frequency laser interferometer with two longitudinal modes could be controlled within 10 " 9 even with conditions such as with cool or hot air blowing, it can still be kept within 10 " 7. self - organised fuzzy control methods can be realised in a single - chip processor which contains fuzzy optimisation and self - organisation functions. the above - mentioned system possesses the following advantages : simple

    / znl (式中c為光速, l為諧振腔長, n為空氣折射率,其值約790mhz ) ,原理上對目前可能要求的測量速度都能滿足;它發出的光為一對互相垂直的偏振光,與塞曼型雙頻激光干涉儀相比,它不用外加及1 / 4波片,因此結構簡單,造價低廉。
  16. Homogeneity of magnetic field of three parallel coaxial circular coils

    平行共均勻性分析
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