振蕩波形 的英文怎麼說

中文拼音 [zhèndàngxíng]
振蕩波形 英文
oscillation wave
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 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...
  • : 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...
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. V pattern ( 53. 9 % ), its isis varied continuously from big to small, then from small to big and form a gently inflexion in the trough. reversal n pattern ( 25

    9 ,在這種型式的中, isi逐漸由大到小又由小到大依次連續變化,且isi在谷處成一個較平緩的拐點;倒n佔25
  2. Delay line oscillator is composed of broadband amprifer adjustable attenuator and saw sensor device. after output signal of delay line oscillator is smoothed, it mixes with 109mhz local oscillation signal. its differential frequency signal is smoothed by low - pass filter trimmed by shaping circuit and processed by digital processing circuit

    延遲線器由寬帶放大器、可調衰減器和聲表面質量傳感器件構成。延遲線器輸出信號經濾后與109mhz的本機晶體器輸出信號相混頻,通過低通濾取其差頻,並經整後由數字信號處理電路處理。
  3. The basic concept of siw is that it use the top and bottom layers of metal together with two row of vias is very small compared with wavelength, the dissipation loss of radiation is very small. it acts like a rectangular waveguide filled with some dielectrics, so components which can be composed by rectangular waveguide can also composed by siw such as antenna, filter, power divider, coupler, resonator

    基片集成導的基本概念是利用基片的上下金屬板和兩排間隔一定距離的金屬孔構成導的金屬壁,由於每排金屬孔孔間距遠小於長,因此由縫隙泄漏的能量很小,這相當于內部填充了介質的矩導,所以能夠用矩普通導實現的結構也都可以用基片集成導來實現,比如功分器、濾器、天線、耦合器、器等。
  4. Light is a wave composed of coupled electric and magnetic fields oscillating in synchrony at very high frequencies

    光是一種由電場與磁場耦合在一起進行高頻同步成的
  5. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐收縮截面的軸對稱激管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值的新方法成功地推廣到二維情況。分析了該激管的力學特性。
  6. Principal conclusions were drawn as the following : the non compatibility of pressure or velocity of the gas on both sides of the contact surface is the cause of the formation of shock wave ; the heating effect of reflective shock wave to driving gas during charging or exhausting process is the internal mechanism of peak oscillating effect, and all the factors that influence the formation and the running of the shock wave will influence the peak oscillating frequency, cooling effect

    主要結論如下:熱分離機內激成的原因是射氣瞬間接觸面兩側壓力和速度不相容;峰值效應的內在機制為反射激對充氣階段的驅動氣或低溫排氣的加熱,凡是影響激成及運動的因素都將對峰值頻率、冷效應及熱效應產生影響;當充、排氣時間比為0 . 1763時,最佳射流激勵頻率出現在高階峰值頻率上。
  7. The characteristic of the forming of shock wave in the tube and the influence of the shock wave intensity on cooling effect was also analyzed in working time. the reason why the cooling efficiency was lower in low rotate speed and has no change in high rotate speed was revealed

    分析了管實際工作時管內激成特點及激強度對冷效應的影響,指出了實際壓力製冷機在低轉速下運行時製冷效率很低而在高轉速下製冷效率變化不大的內在原因。
  8. In this dissertation, the pulse jet style, the influence on the shock wave, the flow in the tube and the cooling effect was deeply studied theoretically and experimentally. the influence of the pulse jet style on the forming of shock wave and the shock wave intensity was explored. the initial disconnection style in oscillating tube vented and the initial disconnection breakdown was proposed by different pulse jet style

    本文對脈動射流的型式及其對激、管內流動及冷效應的影響進行了較系統的理論和實驗研究,主要包括:探討了脈動射流的型式對成管內激成及激強度的影響,給出了不同脈動射流的型式下管開口端初始間斷的類型,對初始間斷進行了分解,導出了包含進氣、排氣參數及工質物性參數的管內入射激馬赫數mj的表達式,給出了管內激成的三種原因及其所對應的脈動射流型式和具體的工作狀態。
  9. Oscillator generated a wave with frequency 132 khz as the clock signal

    器電路產生一個頻率在132khz附近抖動的矩作為整個電路的時鐘信號。
  10. The simulation results indicate that the oscillator circuit with the cmos technology producing steady oscillating signal has power consumption as low as 800uw

    模擬表明,採用cmos工藝能使器電路在產生穩定振蕩波形的同時,達到800uw的較低功耗。
  11. Square wave oscillation

  12. Chapter three is about the experimental research of the real time optimal position system ( see chapter two ), emphasis on the high performances of 196mx pts interrupt response and safe design of ipm module. the analysis of perfect experimental waveforms and basic algorithm are also provided. chapter four focus on the properties and application of ekf estimator

    論文第三章對點對點快速定位系統進行了實驗研究,重點介紹了196mxpts中斷系統對高速處理實時邏輯信號和消除編碼盤光電頭邊緣效應所起的作用、 ipm模塊的安全性分析設計等,同時給出了完整的實驗分析以及基本演算法。
  13. The radial high current forms the virtual cathode in the reflected high frequency field, which further modulates the emitted electron beam

    徑向強流電子束在徑向反射場中會成虛陰極,單獨的虛陰極產生的微效率低。
  14. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱和圓柱結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱結構情況進行了數值模擬,得到了長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。
  15. An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded

    設計了一臺封閉式單管熱分離實驗裝置,對q 、 l 、 f 、 、激吸收器等因素對熱分離機性能的影響進行了單因素實驗;對理論分析和實驗結果進行了比較,成了較為系統的熱分離機製冷機理和峰值理論。
  16. A x - band six - cavity tro is studied. with the voltage 760kv 6ka and the magnetic field 2. 6t in the simulation, output power is about 1. 5gw is obtained, and interaction efficiency is 31 %. a noveland high accurate numerical synthetic technique is presented for determining the high frequency characteristics of six - cavity with open boundary

    對粒子模擬的輸出微功率的作出診斷,找到讀取微功率快速有效的方法:在電場和磁場同相的前提條件下,對時域進行傅立葉變換,微功率頻域的二倍頻所對應的幅度即為微x段渡越輻射器的理論和實驗研究平均功率的大小。
  17. The effect of the bubble-pulse repetition is to give an oscillatory and hence unsatisfactory reflection record.

    氣泡脈沖的重復效應,會造成一種充滿振蕩波形的、無疑也是令人煩惱的反射記錄。
  18. The reason why we designed electronic tongue based on chaotic dynamic is that chaos is sensitive to the initial parameters. when different taste substances are added to the solution, the peak interval series of membrane oscillation are not the same. so do the atractors

    基於混沌理論的電子舌主要是根據混沌對初始參數的敏感性設計的,加入不同味覺物質時候膜振蕩波形的尖峰間隔序列不同,相對應的吸引子圖也就不同,由此可區分不同味覺物質。
  19. In this circuit, reference current sources are used to charge and discharge capacitors. this oscillator ’ s output is very ideal through control circuit under 5. 7v reference voltage, and oscillator ’ s frequency and duty - cycle could be adjusted if reference current source or capacitors in the circuit was adjusted. and the changes of temperature and voltage affect stabilize of the frequency little

    此電路利用系統內部基準源產生的電流信號來對電容進行充放電,然後經過控制電路作用后,產生的輸出振蕩波形的上升時間和下降時間非常小,更接近理想矩;通過調節基準源電流信號或者電容值大小,可調節振蕩波形的頻率和占空比,同時溫度和電壓的變化對器輸出頻率穩定度的影響很小。
  20. It also gives the motive of the ka - band vco and mixer, associated with the subject ' s requirement and the realistic conditions, according to which a proposal is confirmed that the gunn diode and the varactor are mounted in the same cavity to fulfill the vco and an antiparallel diode pair is used to fulfill the harmonic mixer. in chapter 2, based on the basic theory of negative resistance oscillating, we analyses the gunn oscillator and it ’ s tuning character. chapter 3 introduces the theory of millimeter - wave harmonic mixer

    以此為根據結合課題需要和實驗室的實際條件,確定vco採用耿氏管腔體式,變容管與耿氏管安裝在同一個腔內以進一步減小體積,採用反向並聯二極體實現諧混頻;第二章介紹負阻器理論及其調諧原理;第三章介紹毫米混頻器基本原理;第四章給出了器及諧混頻器的設計過程,整個組件聯調的結果;最後是結束語,分析了電路中存在的問題,指出了改進方向。
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