electromagnetic radiation field 中文意思是什麼

electromagnetic radiation field 解釋
電磁輻射場
  • electromagnetic : adj. 電磁的。
  • radiation : n. 1. 發光，射光，放熱，放射，發射。2. 【物理學】輻射；放射物；輻射線[熱、能]；照射（作用）。3. 【動、植】輻射形；【測】射出測量法；【醫學】射線療法。
  • 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. The radiation field of audio - frepuency electromagnetic wave and its application

    音頻電磁波輻射場及其天線應用
  2. While carrying out the scheme, at first, the basic theory of antenna, array antenna and electromagnetic absorption, the performance parameter of antenna and parabolic antenna are deeply researched. in conformity, the characteristic and calculation of aperture field and near - to - far - field transformation for radiation pattern are detailed analyzed. second, the factors such as, the amount of the antenna elements, mutual coupling between each element, ground and the buildings on earth ' s surface, which affect the performance of array antennas ’ resultant field are stressed discussed

    在系統實現過程中，課題首先從天線、陣列天線，以及電磁場計算方法的基本理論著手，分析了天線與拋物面天線的各項性能參數，以及天線的口面場和近-遠區輻射場的特點和計算;進而，更加深入的討論和研究影響天線陣列合成場強的各項因素，包括系統所使用的天線單元個數對陣列合成場的影響、天線單元之間由於互耦造成的影響、傳播過程中地面和/或地面建築物的影響等。
  3. Finally, the duality between the gravitational radiation and the electromagnetic radiation is researched because of the similarity between them in the weak field situation

    最後，本文考慮到弱場線性近似條件下引力輻射與電磁輻射的類似，故討論了引力輻射與電磁輻射之間的對偶關系。
  4. By following approach of haken who quantizes the light field and making use of the quantisation of the electromagnetic field, this paper quantizes the electron wave field and derives the hamilonian of interation between the radiation field and the electron wave field

    摘要仿照霍金對光場進行量子化的方法和電磁場的量子化理論，本文對電子波場進行了量子化，推導出了輻射場與電子波場相互作用的哈密頓量。
  5. 5. against the interference of magnetic field electromagnetic radiation and static

    電纜具有抗磁場干擾，抗電磁輻射干擾及抗靜電干擾的性能。
  6. The third chapter is experiment analyses of multi - aperture transient electromagnetic method, it analyzes multi - aperture transient method in theory and discusses radiation direction characteristic of first field by means phased array theory and integrating result of experiment contrast. according to kinematics character it also brings forward similar interference concept and analyzes reason of similar interference phenomenon, it gained footing between similar interference item and depth on the base of it and experiment formula

    藉助于相控陣原理的思想，結合模擬實驗觀測值對比結果，對多孔徑tem方法進行模型分析，詳細討論了多孔徑一次場的輻射方向特性，利用光波的運動學特徵提出類相干的概念，分析了多孔徑tem輻射源存在類相干現象，推導出類相干實驗公式，並得出類相干項與多孔徑框邊長以及埋深的關系表達式和。
  7. It is important to analyse electric field of electric dipole in studying polarization and electric field of dielectric and electromagnetic wave radiation etc

    本文討論了幾種不同情況下電偶極子在空間激發的電場問題。
  8. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益
  9. In the far field, the farther the distance, the similar and less distance dependent of the image and radiation pattern of electric and magnetic field, the similar the image of electromagnetic field to the fourier transform of the source current distribution, the less distance dependent of the radiation pattern

    在越遠之遠場中，電場與磁場之影像及場型越相似，距離越遠差異越小，電磁場之影像越近似於電流源分佈之富氏轉換。
  10. The hardware of the system is sum up with the purchased television aerial, agilent 8482h power sensor, dsp, oscillograph, etc. for the software part, the architecture takes advantage of the mathematical rule of both the antenna ’ s radiation field and electromagnetic field, for example, the finite - difference time - domain ( fdtd ) method

    硬體電路設計調試方面，利用購置電視天線、 aglient8482h功率傳感器和dsp 、示波器等組成系統等進行試驗。在軟體模擬中，本文重點介紹並且綜合應用了天線輻射場的計算方法和電磁場的數值計算方法? ?時域有限差分（ fdtd ）方法。
  11. Verification of differences of characteristics of electromagnetic field image and radiation pattern in the near and far field are demonstrated

    驗證電磁場影像及場型特性在近場與遠場中之差異。
  12. The exact electromagnetic field description of photon emission, absorption, and radiation pattern. ii

    關于光子輻射、吸收及輻射圖形的精確電磁場描述ii
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