軸對稱束 的英文怎麼說

中文拼音 [zhóuduìchènshù]
軸對稱束 英文
axial symmetric beam
  • : 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)
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 稱動詞(適合; 相當) fit; match; suit
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  1. The radiation pattern of the antenna is more rotationally symmetric, and a more reduction on the sidelobe levels of the antenna is achieved as compared to the antenna with the corrugated soft surface. in conclusion, in the present thesis both theoretical and experimental research works have been carried out intensively on patch antennas based on photonic - bandgap structures. it is shown that our photonic bandgap structures can greatly improve the performance of the patch antennas

    該平面圓環結構軟表面天線是在空氣介質的皺褶圓環結構軟表面天線的基礎上改進得到,為了便於比較,我們首先研究了空氣介質的皺褶圓環結構軟表面天線,用fdtd方法並結合pml吸收邊界條件該天線的性能進行了研究,結果表明天線的帶寬增加,天線的性得到了很大改善, e面和h面方向圖的波幾乎重合,天線的旁瓣和背瓣受到很大的抑制。
  2. Based on energy theory, wrinkling criterion in deep drawing for axisymmetric parts is derived to take geometry parameters, friction coefficient, material properties, and the law of critical blank - holder force ( bhf ) of side wall wrinkling in the constraint condition of initial wrinkling into account

    從能量平衡原理出發,通過屈服準則的線性化處理,推導了考慮幾何參數、摩擦系數和材料性能參數、板材皺曲時約條件的拉深成形過程中側壁起皺臨界壓邊力的變化規律,給出了皺曲判據。
  3. The special light beam modulator is a disc that rotates at high speed, symmetrically along its diameter is respectively arranged a slit and a small hole, the slit is used to modulate light beam, the small hole is used to the synchrosystem and measure speed of modulator

    該調制器為一高速旋轉圓盤,其上沿向刻制細縫,在圓盤位置開小孔;細縫用於調制光,小孔用於系統同步及調制器轉速測定。
  4. At first, the parameters as well as laws of transmission and transform about non - gassian and non - spherical symmetric laser beam were discussed

    本文從非高斯非球面激光出發,詳細介紹了這類激光的光特性參數定義和它的傳輸變換規律。
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