oscillation mode 中文意思是什麼

oscillation mode 解釋
振蕩波型
  • 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。
  • mode : n 1 法,樣,方法,方式。2 模,型;樣式,體裁,款式;習慣。3 風尚;〈the mode〉流行,時髦。4 【語...
  1. The results show that : l ) there are three anomalous high temperature areas and three anomalous low temperature areas, and the whole area high temperature anomaly took place in the late 1980s, whereas the low temperature anomaly in the 1970 ; 2 ) the spatial mode manifests identical variations in the whole area, and the temporal coefficient curve is of 2 - 3 year period oscillation and an interdecadal abrupt in the late 1970s ; 3 ) the variance of interdecadal component is obviously larger than that of interannual in the most part of nespa ; 4 ) the interdecadal variation of the temperature is mainly linear ascendance in the late 1970s, the large range anomalous high ( low ) temperature occurs when the interdecadal and interannual anomaly are both positive ( negative ) in the year ; 5 ) the temperature anomaly is divided into four patterns : southern, northern, eastern and western patterns, in which the interdecadal variation of the southern and western patterns is relatively importance and the interannual variation of eastern and northern pattern is relatively importance

    本文用夏季( 6 - 8月)中國東北地區91個測站44年氣溫資料,對該區夏季氣溫的氣候平均和異常場進行分析,採用諧波分析將異常變化的年代際、年際尺度分量分離,分別分析兩種尺度上氣溫異常的時空特徵,最後應用reof進行了氣溫異常的區劃,研究局域異常變化的年代際、年際分量的變化特徵。結果發現: 1 )東北夏季有三個異常高溫高發區和三個異常低溫高發區。全區性異常高溫(低溫)階段出現在上世紀80年代后( 70年代) 。
  2. It has been shown that : the little indentation which represents the quantum noise of the system appears in the evolution curves ; the quantum noise which is caused by virtual photon field gradually becomes weak when w increases, the quantum noise increases when n increases ; the virtual photon process make the antibunching effect strengthen, make the squeezing degree deepen obviously, and lead to the additional vibration of entropy, the oscillation extent of the additional vibration of entropy increases when n increases and decreases when co or g increase. besides, the quantum dynamics of two coupling atoms interacting with a single mode ligh t field in a kerr medium is studied in this paper ; the influences of the kerr effect on the mean photon number, the degree of second order coherence of field, the evolution of the field entropy and the squeezing effect are also discussed

    )的增大,量子噪聲分別減小和增大;虛光子過程使光場的反聚束效應增強,使光場的壓縮程度明顯加深,並引起了附加的「熵振蕩」 ,這種附加「熵振蕩」的幅度將隨著光場初始平均光子數( ? )的增加而增大,隨著光場頻率和原子間耦合系數g的增大而減小。本文還研究了充滿kerr介質腔中「耦合雙原子-單模光場」相互作用系統的量子動力學性質,研究了克爾效應對場的平均光子數、二階相干度、場熵演化特性及光場壓縮效應的影響。
  3. According to the technical requirements of data relay satellite system, we determine to exploit and analyze the oscillation amplitude comparison mono - pulse mode in a single channel mono - pulse, angular tracking manner in comparisons among several angular tracking modes e. g. cone scanning, step tracking, phase comparison mono - pulse and oscillation amplitude comparison mono - pulse

    根據數據中繼衛星系統技術指標與技術要求,通過比較圓錐掃描、步進跟蹤、相位比較單脈沖與振幅比較單脈沖等跟蹤方式的優、缺點,確定採用振幅比較單脈沖方式中的單通道單脈沖角跟蹤方式,並對此跟蹤方式進行了詳細的研究。
  4. In this paper, through the self oscillation analysis and the earthquake response analysis, the frequency, the oscillation mode, the transverse and vertical earthquake response of the different cable form projects and the relevant single - layer spherical latticed shell were compared, the effect of different cable form projects to the structural dynamical stability was obtained

    本文對選定的三個布索方案進行了自振特性分析和地震響應分析,比較了各方案的頻率、振型以及橫向和豎向地震反應,並和相應單層球面網殼進行了對比,得到了布索圈數對結構動力性能的影響。
  5. The results show that the light field is squeezed regularly, and that the collapse - and - revival of the atomic rabi oscillation appears under the detuning. when the initial squeezed light - field factor r is weak, photon bunching alternates with photon antibunching, and the detuning leads to the reduction of photon antibunching ; to the contrary, the factor r is strong, photon statistical properties are steady bunching, and the detuning makes two - mode correlation properties steady

    數值計算結果表明:光場呈現出較規則的壓縮現象;失諧量使原子rabi振蕩呈現周期性崩塌與復甦現象;當r較小時,光子的聚束效應與反聚束效應交替出現,失諧量將削弱光子的反聚束效應;當r較大時,光子呈現恆定的聚束效應,失諧量增強光場兩模非經典相關的穩定性。
  6. Due to applying double beams, the velocity spread is lower because of smaller influence of space charge compared with single beam mig. in the interaction region this beam is easy to start oscillation and reject mode competition effectively

    與單注磁控注入槍相比,雙注槍可以提供速度零散小、高束流的電子注,在互作用區更容易起振,且能更好的抑制模式競爭。
  7. In the section of theory, we mainly studied optical parameter effect, discussed physical mechanism of optical parameter laser and normalized coupled wave equation and got the solution. we also carried out the analysis of gain mode of optical parameter oscillation, studied the threshold condition, analyzed output characteristics and then achieved characteristic curve

    本文理論部分主要作了有關光參量效應方面的研究,探討了光參量振蕩器的物理機制、參量振蕩的歸一化耦合波方程,求解得到了參量振蕩器的耦合波函數,同時對光參量振蕩的增益模式進行了分析,研究了使參量振蕩的閾值條件,並對光參量振蕩器的輸出特性進行了分析,得到了特性曲線。
  8. ( 3 ) with the increase of the injected current, the lasing wavelength of fgesl appears fluctuation, the side mode suppression ratio ( smsr ) increases accompanied by an oscillation, and the p - i curve distorts slightly

    Fgesl的激射波長隨ld的注入電流的增大而發生波動;邊模抑制比( smsr )隨注入電流的增大總體上呈現上升趨勢,但其變化過程並不平滑而是有較大的波動; fgesl的p一i曲線有微小的扭曲。
  9. The simulation results show that to start the oscillation, the length of the resonance cavity must be well matched with the radial span of the cavity ; mismatch of them will greatly affect the microwave development ; the output power of the microwave in rtto is affected by the microwave mode obviously. under the same conditions, the output power for temooi mode is the highest, and its start and saturation time of oscillation are the shortest. the results also show that the output power will decrease with the increase of the size of the extract window ; the operating state of rtto has great close relationship with the operating current, and there exists an optimum current value

    結果表明,束電壓一定時,諧振腔腔長和徑向間距必須良好匹配微波才能起振,匹配不佳會極大地影響微波產生;微波模式對微波產生功率影響很大,同等條件下, tem _ ( 001 )模式的微波功率最高,起振時間和飽和時間最短;微波輸出功率隨提取口的增大而減小; rtto工作狀態與工作電流的大小關系密切,存在一個最佳工作電流值。
  10. The converter not only keeps all the characteristics of the basic zvs pwm h - fb tl converter, but also eliminates the voltage oscillation and voltage spike across the rectifier diodes in both three - level mode and two - level mode, leading to a reduced voltage stress of the rectifier diodes

    本文在基本zvspwmh - fbtl變換器中引入兩只箝位二極體,無論是在三電平模式還是在兩電平模式,都可以消除輸出整流二極體反向恢復造成的電壓尖峰和振蕩,降低了輸出整流管的電壓應力。
  11. The theory of lift - mode scan capacitance microscope lm - scm is analyzed. under the hypothesis of small amplitude, it is found that the oscillation amplitude of the cantilever is directly proportional to the gradient of the surface capacitance

    對升高模式掃描電容顯微鏡lm - scm進行了理論分析,發現在小振幅近似下針尖的振幅直接正比于樣品表面電容的梯度分佈。
  12. At the same time, this paper gived a great deal of simulation research for the total damping of system and the damping of electromechanical mode of the system using a useful tool in power system - ssat ( small signal analysis tool ). the conclusions provide the important reference for the suppression of low frequency oscillation and stable operation in power system

    並利用一種有效的電力系統專用工具? ssat ( smallsignalanalysistool )對系統總阻尼以及系統的機電模式阻尼問題進行了大量的模擬研究。所得結論對于電力系統低頻振蕩的抑制以及電力系統穩定運行具有重要的參考價值。
  13. An oscillation analytic solution for single - mode laser

    系統的振蕩解析解
  14. So a p - fuzzy two - mode controller bring out. simulation results illustrate that the proposed controllers are effective in suppressing the maximum overshoot and in reducing the decaying oscillation cycles and also superior then pid controllers

    模擬結果證明,本文所提出的控制策略在抑制超調、減少震蕩周期、提高系統的穩定性上都得到提高,優于單純常規pid控制。
  15. Using the model parameter from the dynamical experiment, the integrated parameters can be disassembled, thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved. it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy, and it can give reference to evaluate the load capacity of bridge. in the end, in order to assess the existing bridge ' s seismic resistance performance, force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods

    另一方面,由動力相似理論建立了室內模型,並進行室內動力試驗,藉助量測到的模態參數分解出綜合參數,可以反推結構頻率及振型參與系數。試驗結果、有限元計算值表明,本文建立的模型概念明確、計算方法簡便、精度較高,可以為動測法評定橋梁結構承載力提供參考。最後,從延性的角度給出強度折減系數來考慮結構進入彈塑性階段的地震力,從而對橋梁的抗震性能做出評價。
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