簡單振蕩 的英文怎麼說

中文拼音 [jiǎndānzhèndàng]
簡單振蕩 英文
simple oscillation
  • 簡 : Ⅰ形容詞（簡單） simple; simplified; brief Ⅱ動詞1 （使簡單; 簡化） simplify 2 [書面語] （選擇人才...
  • 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...
  • 簡單 : 1 （不復雜） simple; uncomplicated; plain; simplicity 2 （平凡 多用否定式） commonplace; ordinary...
  1. A simple limiter similar to the one of earth and jespersen is presented to eliminate unphysical oscillations near discontinuities

    發展了一種簡單高效的通量限制器抑制激波處的非物理振蕩。
  2. It illustrates the behaviour of some simple types of oscillator.

    它描述一個簡單的振蕩器特性。
  3. Firstly, i provide a brief review of the previous achievements and investigations on the low - dimensional quantum devices and semiconductor superlattice, in which some principal theories such as bloch oscillations, wannier - stark ladder, zener tunneling and related progress in experiments are introduced

    首先綜述了過去三十年低維量子器件與半導體超晶格的發展與相關研究，介紹了bloch振蕩、 wannier - stark臺階、 zener隧穿等關鍵理論以及相關實驗方面的進展，並引入簡化模型：緊束縛模型與單帶模型。
  4. 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 。
  5. The system exhibits fast response for the load current disturbance and the system always operates at discontinuous conduction current mode so that no slope compensation is required and high efficiency will be achieved when driving 4 leds. the design and analysis of sub - block circuits are provide in the thesis where band gap reference, oscillator, current sensing and over current protection, led load current

    本文完成了各個單元電路的分析與設計，著重分析了帶隙基準源、振蕩器、采樣和過流保護、負載led電流控制和開負載保護五個子電路，對其餘子電路也作了簡要分析。
  6. You must appreciate this simple fact to understand high frequency oscillators

    你必須要明白這個簡單是事實才能理解高頻振蕩器。
  7. Although the structure is simple, the unsteady fluid flow and the action of the wave in the tube are very complicated. so far, there exists a lot of problems need to investigate

    熱分離機的結構雖然簡單，但其振蕩管內部流動及有關過程的相互作用卻十分復雜，還存在許多有待解決的問題。
  8. The experiments for the online elimination of oil whip are very successful and show that the electromagnetic actuator has better effectiveness and may be used in engineering practice

    在實驗中作者成功地在線消除了系統的油膜振蕩故障，該方法簡單而且可靠。
  9. We chose suitable tcp throughput model to estimate the available bandwidth correctly, using the estimated round trip time and packet loss ratio for the next time interval as parameters of the model to achive the accuracy of estimated network bandwidth. as the observed losses and round trip time vary very dynamically, adjust the sending rate equivalent to the amount of tcp throughput may result in a rather fluctuant sending rate. so we present a rate adjustment like tcp congestion control based on aimd, which increases its sending rate by an additive inereease rate

    根據mpeg4視頻流應用的特點，選擇合適的吞吐量模型，進行合理的參數估計，並根據計算出的帶寬進行相應的速率調整來實現擁塞控制，我們使用未來rtt的估計值和分組丟失率的估計值作為吞吐量模型的參數，增強了控制的實時性，弱化了業務的振蕩性，提高了帶寬預測的準確性；在進行速率調整時，不是簡單地將發送速率調整到與tcp吞吐量模型一致，而是採用類似tcp的aimd策略來調節發送速率，減小了發送速率的振蕩性。
  10. You can make a very simple oscillator with one diac, cap and a resistor

    你可以用一個交流數據輸入儀，電容和一個電阻做個非常簡單的振蕩器。
  11. The principle of double cladding fiber laser is analyzed, simply illustrated the principle and drawbacks of noncoherent beam combination, the coherent beam combination method of multiple optical power amplifier and its advantages are discussed in detail

    分析了雙包層光纖激光器的工作原理，簡單介紹了非相干組束的原理和缺陷，重點闡述了並聯主振蕩相干組束方法及相干組束的優勢。
  12. A semi - discrete form of our scheme is also presented. this new reconstruction is a third order accuracy in smooth regions and non - oscillations at cell interfaces. our scheme enjoys the main advantage of the central schemes - simplicity, namely it does not employ riemann solvers and hence the intricate and time - consuming characteristic decomposition are avoided

    本文針對一維雙曲型守恆律的初值問題，研究了二階和三階中心差分格式，提出了一種改進的三階中心差分格式及其半離散形式，主要是引入了一種新的重構，並證明了這種重構在光滑區域具有三階精度且在網格邊界無振蕩，所提的格式保持了中心差分格式簡單的優點，不需要求解黎曼問題，避免了復雜且耗時的特徵分解過程。
分享友人
分享到 Line

分享到臉書