oscillation wave 中文意思是什麼

oscillation wave 解釋
振蕩波形
  • oscillation : n. 1. 【物理學】振蕩,擺動,振動;振幅。2. 動搖,猶豫,仿徨。3. 蹣跚。4. 【無線電】發雜音。
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  1. As an example, the oscillation of a rectangular harbour due to the incident waves with different directions and wave numbers was investigated

    作為算例,就一矩形港灣在不同方向、不同波數入射波情況下的港內水波振動問題進行了計算分析。
  2. The experimental result expresses that the frequency doubler - power amplifier sets of ka - band can supply good local oscillation source for " millimeter - wave front - end of " lmds " ". the model has the advantages of low cost, small size and high reliability

    實驗結果表明,倍頻放大組件能夠為lmds毫米波前端提供很好的本振源,並且具有成本低、體積小、可靠性高等優點。
  3. 5, shs is a process far from equilibrium, which is always accompanied by rich self - order behavior, such as oscillation, spin, stationary wave and so on. especially the spin combustion model had been found in lot experiments

    ( )實驗結果表明在有較多液相出現的ni ai 、 ni ti體系中, shs藝對產物的物相組成和排列都有著不同程度的影響。
  4. D. c hanna, r. m percival. continuous - wave oscillation of a monomode ytterbium - doped fibre laser [ j ]. electronics letters, 1988, 24 ( 17 ) : 1111 - 1113

    張強.摻鐿雙包層光纖激光器實驗研究及圓盤光纖激光器設計[ d ] .碩士學位論文, 2003年,天津大學
  5. Compared with traditional mold oscillation device, this system can conveniently change oscillation wave and alter on - line oscillatory frequency and magnitude according to the continuous casting technological requirements

    與傳統的結晶器振動裝置相比,該系統能夠根據連鑄工藝要求方便的選擇波形,並在線改變振動頻率和幅值。
  6. This isi series oscillation has following characters : ( 1 ) long term cycle duration, whose duration of most oscillations ranged from 3 0 - 120ms, so we called it slow wave oscillation ; ( 2 ) large amplitude of oscillation, the minimum isi is about 2ms while the maximum is beyond 40ms, which suggested that the firing frequency vary from several tens to hundred hz ; ( 3 ) abrupt turn always occurs during the continuous change in isi, this turn is called inflexion temporarily

    該振蕩波有下述特徵: ( 1 )振蕩周期較長,多數在30 ? 120s范圍,故稱慢波振蕩; ( 2 )振蕩幅度較大,其isi振蕩最小值在zms左右,最大值可達40ms ,表明放電頻率可在幾十到幾百k范圍內變動; ( 3 )在isi連續變化過程中往往出現突然轉折,暫稱其為拐點。
  7. Square wave oscillation

    矩形波振蕩
  8. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  9. 2 ) hysteretic loop emphasis has also been focused on the onset and damping behavior of the thermoacoustic oscillation. based on the acute review and analysis on the non - steady processes with hysteresis, a hysteretic loop is proposed and experimentally verified for the first time in the standing wave thermoacoustic prime mover

    熱聲振蕩滯后迴路在系統地考察其它非穩態過程特性的基礎上,首次提出並實驗驗證了熱聲起振和消振過程中存在「滯后迴路」 ,並對滯后迴路的影響因素進行了研究。
  10. The variation of wave - induced nearshore current fields and long period oscillation of water surface result in sediment transport, resonance of harbors, ship failures, diffusion of pollutants and difficult sea rescues, drawing scientific researchers " concern

    由波浪產生的近岸流場的變化和水面的長周期振蕩,導致泥沙遷移,港口共振,船舶失事,污染擴散,海上救生困難,這些都已經引起了科研工作者的廣泛重視。
  11. The single - chip function generator icl8038 can get synchronous sine wave of constant amplitude in pll as voltage control oscillation ( vco ), which is a basic signal source of static frequency converter

    單片函數發生器icl8038在pll中作為壓控振蕩器( vco )產生同步等幅正弦波,可作為靜止變頻器的基準信號源。
  12. The concepts for the long period oscillation improvement in hwa - lien harbor include destroying the wave field structure of the incident waves, reducing the incident wave energy, and dissipating the energy of long period wave in the harbor

    至目前為止,有關花蓮港長周期振?多認為集中於?風作用時期,而改善的構想則大致有:破壞入射波的波場結構、削減入射波能、以及消散港內的長波能量。
  13. Secondly, a kind of full - wave approach - fdtd is applied to simulate the oscillation of a gunn integrated active microstrip patch antenna

    其次,運用全波分析法? fdtd法模擬了集成gunn二極體的有源微帶貼片天線的振蕩過程。
  14. 3. according to the shape of isi scatter map, isi slow wave oscillation can be divided into 5 basic types : v, reversal h, integer multiple, diffusive and compound patterns

    根據78例h慢波振蕩過程在isi散點圖上顯示的形狀,可分為5種基本型式: v形,倒fi形,整數倍形,彌散形和復合形。
  15. And then the theoretic technique of import the periodically wave of periodically poled crystals in the process of opo was studied, the theoretical method was realized by using period poled crystal in quasi - phase - matched optical parametric oscillation

    研究了將周期極化晶體的周期波矢引入光學參量振蕩過程,利用周期極化晶體實現準相位匹配光學參量振蕩的理論方法。
  16. The experimental research on oscillation character of the static gas wave refrigerator

    靜止式氣波製冷機振蕩特性的實驗研究
  17. Analysis of oscillation mechanism of oscillator and research on oscillation characters of the static gas wave refrigerator

    靜止式氣波機振蕩器振蕩機理分析及振蕩特性的研究
  18. Travelling wave oscillation

    行波振蕩
  19. 3, considering of the combustion reaction controlled by multi - mechanism, calculated results showed combustion wave of the continual combustion also changed to an unstable combustion way, the combustion temperature and wave propagating velocity changed periodically. by changing factors about the reaction mechanism, results showed the periodic oscillation combustion was mainly caused by the effect and feedback between chemical reaction and thermal conduction

    3 、計算結果同時顯示, shs燃燒過程中的不穩定主要來源於燃燒過程的熱反饋造成的化學反應機理變化,在這種存在多機理控制的反應體系中,燃燒過程的溫度會隨時間變化而出現有規律的振蕩。
  20. Attenuating oscillation wave voltage

    減衰振動波電
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