振蕩位移 的英文怎麼說

中文拼音 [zhèndàngwèiyí]
振蕩位移 英文
oscillatory displacement
  • 振 : 動詞1. （搖動; 揮動） shake; flap; wield 2. （奮起） brace up; rise with force and spirit
  • 蕩 : Ⅰ動詞1 （搖動; 擺動） swing; sway; wave 2 （無事走來走去; 閑逛） loaf; wander; roam; loiter; go a...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 移 : Ⅰ動詞1. （移動） move; remove; shift 2. （改變; 變動） change; alter Ⅱ名詞（姓氏） a surname
  1. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  2. Abstract : this paper proposed a numerical method to determine the oscillatory stress singularities and the related stress intensity coefficients, by use of common numerical solutions ( stresses or displacements ) which obtained by an ordinary numerical technique such as finite element method or boundary element method

    文摘:本文以具有振蕩應力奇異性的平面問題為例，提出了一種利用普通的數值分析結果（由有限元或邊界元程序計算得到的應力分量或位移分量） ，來確定奇異點附近的振蕩應力奇異性次數以及相應的復應力強度系數的數值分析方法。
  3. The traditional static location area scheme used in the location updating procedure of mobile communications has many problems, such as lack of flexibility, ms oscillating between la borders, focused signaling load on border cells, etc. in this paper we present a new adaptive location updating scheme, which can solve the above problems, and can change easily to other la schemes. the scheme uses multi - level las, selected according to single ms s mobility and call characteristics, to make the best tradeoff between wireless signaling cost of location updating and paging

    在移動通信的位置更新過程中，傳統的靜態位置區方案存在著缺乏變化的靈活性、邊界振蕩、信令負載過于集中問題，本文提出了一種新的自適應位置更新方案，採用不同級別的位置區，位置區的選擇根據移動臺當時的移動和呼叫情況，按照使位置更新和尋呼的無線信令總代價最小的原則確定.該方案可有效地解決靜態位置區的各種問題，並能方便地與其它位置區方案切換
  4. The results show that the differences between the two composites are very large. although the micrograph of the ni nano - wire and the co nano - wire are nearly the same, as the metal composition increased, the absorption band - edge of the ni / aao composite is small red - shifted ( 13 run ), however, the absorption band - edge of the co / aao composite is strongly red - shifted ( 80 nm ). meanwhile, the ni / aao and co / aao composite exhibit the optical features of the semiconductor with indirect and direct band gap respectively

    或no組份比的增加， ni / aao吸收邊的紅移量僅約13nln ，而co / aao的吸收邊紅移量卻超過了80lun ，分析發現ni / aao復合體系具有間接帶隙半導體的光學特徵，而co從ao復合結構則具有直接帶隙半導體的光學特徵; 5 .實驗研究了a創aao納米有序陣列復合結構的光吸收特性，在其光吸收譜上出現了較強的ag表面等離子體振蕩吸收峰，隨ag沉積量的減少，吸收峰位發生紅移，且逐漸展寬
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