磁場極矩 的英文怎麼說

中文拼音 [chǎng]
磁場極矩 英文
magnetic discharge welding
  • : 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] (...
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
  • 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
  1. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究,內容包括: ( 1 )本文採用有限長行波面電流作用於有限長鐵芯上的模型,引用了氣隙一維解,研究了單層繞組,奇數半填槽雙層繞組在採用整距和短距時的分析、比較,簡單介紹了二維解; ( 2 )用有限元軟體ansoft對大圓環直線感應電機空載氣隙進行了靜態分析,並分析了結果; ( 3 )用軟體進行了額定電壓下的瞬態分析,得到了轉,位移,轉速隨時間變化曲線圖,利用單性霍爾元件測定轉速並與軟體計算結果進行了比較,採用等效電路法計算了堵轉時的最大電力並做實驗進行了驗證,由實驗測得了三相電流波形,並與計算結果進行了比較,對其不對稱性進行了定性分析。
  2. The solution of the interior problem has been obtained by the fem method. ensuring the continuity of the tangential electric field across the aperture plane, the electromagnetic e and h has been gained

    分別採用有限元法和量法分析封閉腔體和半無限空間的電,在孔徑面上進行邊界條件匹配,從而得出化雙工柵中的電特性。
  3. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    本文對基於電動力纜繩的航天器離軌過程進行了深入研究,具體工作如下:首先,本文研究了電動力纜繩產生電動力拉力的基本原理,建立了精確地模型;分別在偶子模型和精確地模型作用下,對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力與纜繩系統重力梯度力的平衡關系;分析了電動力力為系統提供能量的原理;最後分別在偶子地模型和精確地模型作用下,對受電動力纜繩作用的航天器的離軌過程進行模擬,分析了在不同精度地模型下,航天器離軌過程中各軌道參數的變化情況,並比較了不同模型對離軌時間的影響。
  4. A polarimetric sar combines both advantage of measuring full complex scattering matrix for each resolution cell in a scene and producing two - dimensional high resolution images, and is thus playing a more and more important role in gathering the detailed information regarding the geometric and electric structures of surfaces and covers for application in both civil and military areas

    化合成孔徑雷達( sar )具有可以測量景中每個分辨單元的全化散射陣以及產生二維高分辨力圖像的兩大優點,因此無論在民用和軍用的採集地表或地面覆蓋物的物理和電結構信息的應用中起著越來越重要的作用。
  5. Due to 12 / 8 poles doubly salient permanent magnet motor, planar finite element method ( fea ) is applied to analyze the magnetic field inside the motor. and a series of static characteristics are investigated, such as field distribution, air gap magnetic density, field flux, inductance, static torque

    針對12 / 8式雙凸電機,採用二維平面有限元法對電機內進行分析計算,研究了電機分佈、氣隙密、繞組鏈、繞組電感、靜態轉等一系列電機靜態特性。
  6. Due to the ac stark effect, neutral atoms will undergo a dipole force from the inhomogeneous electromagnetic fields, while the dipole force acting on the atoms is proportional to the atomic dipole momentum and the gradient of light field

    由於交流斯塔克效應,中性原子在非均勻電中會受到的光偶力的作用,偶力的大小正比與原子的感生偶及光的梯度。
  7. Csm is a numeric mothed of analyzing static electric field. this paper compares the values of capacitance of different size of plate d and plate e in csm and cst mws. mom is a typical numeric method of researching high - frequency electromagnetic problems. accordingly, this paper computes input impedance of plate e and impedance matrix of traditional two element antenna array of electrically small dipoles separately in mom and cst mws, and then compares them detaily

    模擬電荷法( csm - chargesimulationmethod )是研究靜電的一種數值方法,本文比較了模擬電荷法和cstmws對cfa的d 、 e兩盤在不同尺寸下的電容的計算結果;量法是經典的研究高頻電學問題的數值方法,同時利用量法計算了cfa的e盤的輸入阻抗和傳統二元電小偶子陣的阻抗陣,將其結果與cstmws的模擬結果比較。
  8. For these proposes, we chose electromagnetic boundary integral equation ( bie ) theory as the theoretical foundation, method of moments ( mom ) as numerical process and the multilevel fast multipole algorithm ( mlfma ) to accelerate the solving process and reduce memory requirement

    為此,我們選擇了電邊界積分方程( bie )理論作為理論基礎,以量法( mom )作為數值求解方法,並使用多層快速多演算法( mlfma )來加速求解過程和降低存儲需求。
  9. This subject is a research about manufacturing silicon magnetic - transistor with rectangle - plank cubic construction on silicon surface by mems technology, meanwhile it also makes a experiment - research on characteristic of silicon magnetic - transistor manufactured experiment expresses that silicon magnetic - transistor with rectangle plank cubic construction which is made by mems technology owns many virtues, which are as follows : first, stronger v - i characteristic curves and higher magnetic sensitivity ( collector current magnetic sensitivity of sample can achieve to 227 % / t ), second, lower negative - temperature coefficient that is small

    本課題主要研究採用mems技術在矽片上製作形板狀立體結構硅敏三體,並對製作的硅敏三體樣品基本特性進行實驗研究。實驗結果表明本課題採用mems技術設計、製作的形板狀立體結構的硅敏三體樣品具有較理想的伏安特性曲線、具有較高的靈敏度(樣品集電電流靈敏度可達227 / t ) 、具有負溫度系數且溫度系數較小、在一定時i _ c i _ b線性關系較好等優點。
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