em field 中文意思是什麼

em field 解釋
電磁場
  • em : n 1 字母 M m 2 【印刷】全身〈12點的字母 m〉。3 歐美文字排版的字行長度單位。pron 〈pl 〉 〈口語〉...
  • 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...
  1. An arbitrary shaped line current on a horizontal plane is divided into many small line segments and approximated by hertzian diploes, then both the near and far em - field of the line curennt is approximated by the summation of the complete near and far fields of hertz dipoles

    水平面上任意形狀線電流分割為許多小段之電流，每一小段之電流近似為赫芝偶極，則在三度空間任意座標平面上無論遠近之電磁場即可以赫芝偶極之遠近完整電磁場加總合成近似之。
  2. The earth s em field shields us from the solar winds,

    地球的電磁場會擋住太陽風
  3. The scaling relations of conduction time and opening time with the plasma density, which are computed by a series of simulation results, show that, influence of plasma density on conduction time is greater than opening time. influence of cathode em itted electrons on conduction process, which is found to be more important when initial plasma density is low, is dependent of the initial plasma density. the penetration of a magnetic field into cylindrical middle - density ( 1013 / cm3 ) c + + and h + plasma with uniform and parabolic density profile, are examined with aid of pic simulation

    模擬得到的低密度（ 10 ~ （ 11 ） cm ~ 3 10 ~ （ 13 ） cm ~ 3 ）條件下導通和斷路時間與等離子體密度的定標關系曲線顯示：密度對于導通時間的影響遠大於對于斷路時間的影響；陰極電子對于peos導通過程的影響程度與初始等離子體密度有關，初始密度越大，陰極電子的影響就越小。
  4. In the first part, the basic knowledge of particle scattering in meteorology and physics was introduced. the particles to be discussed include aerosol particles, fog droplets and raindrops and the em wave band in the discussion is near - infrared. in the second part, the mie theory was briefly reviewed and was applied to investigate the scattering characteristics of spherical atmospheric particles, the result shows that in the visibility measurement meter using forward - scattering method, when the working wavelegth is between 0. 8 m ~ 2 m, the scattering angle is between 25 ~ 40, the distinguishability and the relative scattering intensity would be better than those under other conditions. in the third part, the superellipsoid was used to describe a wide range of shapes such as spheres. ellipsoids and cylinders. an improved t - matrix method which can be used to calculate arbitry shaped particle ' s scattering field was introduced, and the scattering characteristics of non - spherical atmospheric particles was investigated with this method

    計算結果表明，從相對散射強度、同一方向上不同粒子散射的可區分程度來看，在散射式能見度探測儀器中，工作波長介於0 . 86 m 2 m ，探測角度選取前向25度40度時，探測的結果將會是比較理想的。第三部分中，使用超橢球方程來統一描述各種非球形粒子的形狀，然後使用t矩陣方法計算了一些形狀的非球形粒子的近紅外散射特性。另外，在本文中還針對球形粒子的散射場提供了一種三維可視化方法，使對散射場強度的空間分佈的理解更加簡單，直觀。
  5. So this em field is our friend. - but now

    -所以電磁場對我們有利-但是現在呢？
  6. This method utilizes near - field data to determined an equivalent magnetic current source over a fictitious surface which encompass the em radiation source. this magnetic current, once determined, can be used to ascertain the near and the far field

    將近場的測量數據用來確定一個等效磁流源，該等效磁流源位於包含電磁源輻射口面的假設平面上，當確定了這個等效磁流源以後，利用它計算出輻射源的近區場和遠區場。
  7. ( 5 ) the observation results of atmospheric co2 concentration in the field display the sink effect of karst soil on atmospheric co2. the result of the correlation between co2 vegetation air and the releasing rate of co2 coming from soil surface shows that the em

    的一個重要的源。 （ 6 ）上壤水化學分析的結果顯示，石林地區的土壤水中有較高的m 。 ，揭示了下覆碳酸鹽巖對上壤co 。
  8. It is concluded from the investigations that evaporation duct propagations and other tropospheric duct propagations become very complicate multi - discipline problems at present time including em theory, atmospheric science and applied science etc., and one of the tough and hot issues in the field of tropospheric propagation

    經過多年的研究，目前蒸發波導傳播等電波傳播問題成為非常復雜的多學科問題，涉及到電磁波理論、大氣科學和應用科學等，成為對流層傳播研究中的一個熱點和難點問題。
  9. The main use of this element is to divide the em field in ir band and mmw band

    它最直接的作用是在反射紅外光譜波段的同時透射毫米波輻射，從而把兩種波長相差很大的電磁場信號分開。
  10. The em field has only been operational for about 500 years, and yet that doesn ' t seem to raise any red flags among the team members

    電磁場只運作了500年的時間（注：表明時間還不太久遠） ，但這（這個時間概念）並沒有引起任何一位小隊成員的足夠重視。
  11. Here ' s the em field data that you ' re primed for

    給你「準備運行的」電磁場數據
  12. Presented in this dissertation is a method for computering near - field and far - field characteristics of an em source from its near - field measurements taken over an arbitrary shaped geometry, which can be applied to electromagnetic compatibility problem

    本論文介紹應用於電磁兼容問題中的一種電磁輻射源的近場到近場遠場的轉換方法。利用任意近場幾何面上的輻射源的測量數據推算出其近場和遠場輻射特性。
  13. As the em field becomes more and more unstable,

    隨著電磁場的變得越來越不穩定
  14. What s the timeline here ? - as the em field destabilises,

    -之後會怎麼樣？ -電磁場一旦不穩定
  15. This is the earth. without the em field

    這是地球.沒有了電磁場
  16. This is the earth without the em field

    這是沒有電磁場的地球
  17. So this em field is our friend

    所以這個電磁場是我們的朋友
  18. Aiming at the problem that solution fem equation set needs too much memory, segregated solotion method has been adopted and for the first in china e l em ent - b y - e lement ( e b e ) has been introduc ed when solving flow field parameter equation sets. ebe technology need not assemble and store the global stiffness matrix, and minish effectively memory requires of solution equation set, moreover it has inherent high parallelity, and advance equation solution

    針對求解流場有限元方程組佔用計算機內存資源過多、限制求解規模的缺點，採用分離式求解法，在求解流場各參數方程時，在國內首次引入ebe技術， ebe技術不必組集和存儲總剛矩陣，能有效地減小了方程組求解時對內存空間的要求，同時ebe技術具有內在的高度并行性，能有效提高方程組的求解速度。
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