波轉換 的英文怎麼說

中文拼音 [bōzhuǎnhuàn]
波轉換 英文
sv
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 轉 : 轉構詞成分。
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 轉換 : change; transform; convert; switch
  1. In designing analogic circuit, we adopt programmable filter max262 to meet the system ' s command. after the step, we can make the signal ' s frequency width is wider and noise level is lower. to make the signal ' s amplitude to meet the analogic to digital device ' s command, we adopt the max551 to finish the gain control

    在模擬電路部分，採用可編程濾波器max262 ，這樣就滿足了該數據採集裝置所採集的信號的頻率范圍較寬以及具有較低的噪聲水平的要求，為了使采樣到的信號的幅度滿足後面a d轉換器的要求，採用max551對采樣到的信號進行調理（增益控制） 。
  2. Disposes the switch in the network is decided to the network performance improvement by the network analysis situs and the size, and the serviceable wave length number and uses rwa algorithm

    在網路中配置轉換器對網路性能的改善取決于網路拓撲和大小，及可用波長數和所用的rwa演算法。
  3. On the radiation range of l - 4gw / cm2, the effects of the modulation in intensity, beam aperture, pulse width and intensity of 3 w on tsrs in frequency convector crystals have been analyzed in detail. the interrelated thresholds have been gained by calculating and theoretical evidences have been offered to prevent tsrs from damaging frequency conversion crystals, which will be applied to the engineering design of the laser drivers on high - fluence

    光的強度調制、光束口徑、脈寬和強度等因素對諧波轉換晶體中tsrs的影響，並計算得出了一些相關闡值，得到了驅動器工作的臨界狀態，為防止出現tsrs的光損傷提供了理論依據，對高功率激光驅動器的工程設計具有實用價值。
  4. This thesis was divided into eight chapters, and the main results and innovations obtained here can be summarized as follows : ( 1 ) the physics model of tsrs in frequency conversion crystals has been built up firstly. based on quantum - mechanical viewpoints and the following physical processes and parameters : the two - photo interaction of light with matter, paraxial diffraction of stokes, langevin noise sources, reflection at the faces and the edges of crystals, gain coefficient, beam aperture, pulse width and fluence of 3, the physics model of tsrs in kdp and kdp crystals acting as high - fluence frequency convector and the paraxial operator maxwell - bloch - langevin equations have been built up

    全文共分八章，取得的主要成果及創新點如下： （ 1 ）首次建立了諧波轉換晶體的tsrs物理模型本文根據量子力學原理，在考慮如下物理過程和參量的基礎上：光與物質的雙光子相互作用； stokes光的傍軸衍射； langevin （郎茲萬）噪聲源；晶體表面反射和端面反射；增益系數、光束口徑、脈寬和三倍頻光能量密度，推導出高通量激光在kdp和kd ~ * p諧波轉換晶體中的tsrs物理模型和空間上的近軸算符maxwell - bloch - langevin方程組。
  5. Circular polarization is one of microwave equipment with broad application. its the mostly function is switch linearly - polarized wave into circular polarized wave. grating - circular polarization is one of circular polarization, its advantage is simple structure and ease of processing. it is prone to expand high power and high efficiency range. because circular polarization have expand application.

    圓極化器是應用廣泛的微波器件之一，其主要功能是將線極化波轉換成圓極化波。光柵圓極化器是其中的一種，它具有結構簡單，加工實現容易，易於向高頻率、高功率應用擴展等優點。
  6. Since the flexural waves in the plate would produce scattered waves when they propagated through the flaw of a plate, the measured signals of a strain gauge contented the direct waves propagated from the impact source and the scattered waves propagated from the flaw

    藉由小波轉換進行訊號的時頻分析，進而求得彎曲波由沖擊點至各應變規的波程時間，並計算出彎曲波在各頻率中的波群速度。
  7. Effects of a covering layer in a circular - arc canyon on incident plane sv waves

    轉換波轉換點坐標的唯一解析解
  8. " it works by converting the sound waves of the human voice to pulses of electrical current, transmitting the current, and then retranslating the current back to sound.

    它將人們聲音的聲波轉換成電流脈沖，傳送這種電流，然後再把它翻譯回到原來的聲音。
  9. By focusing the mind one can transform less stable beta waves into deeper a alpha waves, thus substantially increasing ones ability to judge and understand, and subsequently producing a drastic and noticeable improvement in learning efficiency. at the same time, a positive attitude can help one overcome obstacles in learning, offset the negative aspects of the subconscious and enable one to interpret the environment from a constructive standpoint. and like focusing, positive thinking also improves learning efficiency

    他指出專心與正面積極的態度可以增進學習效率，因為專心可以讓腦波從較不穩定的beta波轉換為深層的alpha波，這會大幅提升對於事物的判斷力與理解力，進而在學習效率上有大幅度明顯的改善而正面積極的態度則可以克服學習障礙，淡化潛意識的否定本質，改由正面的角度來詮釋情境，進而提升學習效率。
  10. A virtual cathode oscillator with an axially extracted te10 or te11 mode has been investigated using the pic code. it can emit microwaves axially through an antenna without mode converter or transition waveguide, making the system more simple and compact. the efficiency of this device can be enhanced by employing premodulation cavity, resonant cavity, feedback mechanism, and virtual cathode formed by two electron beams

    本文利用物理分析和粒子模擬的方法研究了軸向提取te10 / te11模虛陰極振蕩器，結果表明通過引入預調制腔、諧振腔、反饋端面、雙電子束陰極等結構，可以實現結構相對緊湊、束波轉換效率較高的軸向提取虛陰極振蕩器。
  11. Next, the effects of the electron - beam quality on the characteristics of the vircator are investigated with simulation method. the simulation results show that the front edge of the beam pulse has almost no effect on the saturated microwave output, while good front edges can accelerate the saturation of the virtual cathode oscillation, and beam quality ( except its energy spread ) has almost no effect on microwave frequency, and so on

    結果表明：上凸形束脈沖前沿可使虛陰極振蕩器達到飽和振蕩的時間縮短但對微波飽和功率基本無影響；束流脈寬應足夠大，否則虛陰極振蕩器不能達到飽和振蕩（對應本文中的模型，束脈寬應大於16ns ） ；能散度的影響不可忽視，當能散度為5時，束波轉換效率從單能束時的3 . 8降至1 . 5 ；束流質量（除能散度外）對微波頻率基本上沒有影響等。
  12. Since the dwt coefficients have the property of energy conservation in the low frequency part, it is suitable for data compression

    由於小波轉換后的系數呈現能量集中低頻的特性，非常適合影像資料壓縮的前處理。
  13. The signal generating source is simplified after the theoretical analyse of the system, and the cumbersome transformer is replaced too. in addition, the carbon fiber cathode substituted for the stainless steel cathode on the tomachan experimental device

    在二極體陰極方面，為提高虛陰極振蕩器束波轉換的效率，利用碳纖維陰極替換原來的不銹鋼陰極來改善電子束質量。
  14. The method for third harmonic generation of large - aperture high - power solid laser is described which is the second nonlinear effect of two cascade crystals in this paper

    摘要敘述了大口徑高功率固體激光器，利用兩塊級聯晶體的二階非線性效應，對激光輸出進行諧波轉換，實現三次諧波輸出的方法。
  15. At the case of excess of nonlinear effects appearance threshold, not only are quality reduction of the wave front passing optical elements and energy losses possible, but also the fatal destruction of optical elements in themselves are the most grievous

    當泵浦光強度超過產生非線性效應的閾值時，激光通過諧波轉換晶體后，不但光束波前質量將有可能變差，而且還會損失一部分能量，更嚴重的是光學元件的致命破壞。
  16. Taking the second harmonic generation of gaussian beam in a kdp crystal of type matching for example, the effects of diffraction and walkoff on doubling conversion efficiency have been worked out

    以類匹配kdp晶體中高斯光束的二倍頻為例，對衍射和離散兩種因素對二次諧波轉換效率的影響進行了數值模擬計算。
  17. The discrete wavelet transform ( dwt ) technique has been widely used in signal processing and image processing

    離散小波轉換的技術，已被廣泛的應用於訊號分析與影像處理的問題上。
  18. According to the technology parameters of the prototype ( til ) of sg - iii laser facility, tsrs in frequency convector crystals has been studied quantificationally at two cases of long and short pulse

    本文針對神光一ih原型樣機（ t工l ）的技術指標，在長脈沖和短脈沖兩種脈寬條件下，對諧波轉換晶體的tsrs進行了定量研究。
  19. A serious factor, which influences on limiting energy characteristics of the modem large laser facilities for realizing inertial confinement fusion ( icf ), is an appearance of destructive effects in the frequency conversion crystals of large aperture placed in to the beams

    在為實現慣性約束聚變（ icf ）而進行現代大型激光驅動器的設計時，限制能量特性的一個關鍵因素，就是光路中大口徑諧波轉換晶體上所出現的破壞性非線性效應。
  20. Therefore, motivated by the establishment of prototype ( til ) of sg - hi laser facility of china which will act as icf driver and integrated with the fund requires of caep ( china academic of engineering physics ), tsrs in frequency conversion crystals were studied and the security of crystals was considered according to the require that the icf driver is one for consumer

    因此，本論文以我國icf驅動裝置? ?神光?原型樣機（ til ）的研製為背景，針對裝置為用戶型裝置的要求，考慮驅動器諧波轉換晶體運行的安全性，緊密結合中物院多項基金的任務要求，對其中的tsrs進行了探索研究。
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