oscillation effect 中文意思是什麼

oscillation effect 解釋
振蕩效應
  • 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。
  • effect : n 1 結果。2 效能,效果,效力,效應,作用,功效;影響。3 感觸,印象;外觀,現象。4 旨趣,意義。5 ...
  1. ( 2 ) in the condition of quasi - quadrennial or quasi - biennial oscillation, monthly mean anomaly fields of slp, ssta, x and f have the most important effect on the linear response of nino3. 4, and there exists obvious spatial symmetry among cold and warm events of enso oscillation

    ( 2 )在準4a或準2a振蕩下, slp 、 ssta 、 _ x 、和_ y的月平均距平場對于nino3 . 4指數的線性響應佔主導地位, enso振蕩的冷暖事件間具有明顯的空間的對稱性。
  2. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來,計算分析了成層地基中單樁的橫向地震響應,得到了以下結論: 1 )上部結構慣性力對樁的橫向地震響應的影響不可忽略; 2 )成層地基中的單樁的橫向地震響應主要受地震基本加速度、場地特徵周期、上部結構質量的影響,隨地震基本加速度、上部結構質量的增大而增大;場地特徵頻率越接近樁基自振頻率,樁基地震響應越大,等於自振頻率時,由於發生共振現象,樁基響應幅值最大; 3 )樁土剛度比越大,樁土之間的相對位移的幅值越大; 4 )樁頂固接的連接方式,可以有效地降低地震時單樁的橫向地震響應。
  3. It has been shown that : with the increase of the kerr medium intensity parameter u, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid, the antibunching effect becomes strengthened ; with the increase of n, the interaction between the field and atoms gradually becomes weak, however, the interaction between the field and the kerr medium gradually becomes strengthened and happen in advance ; with the increase of the coupling constants of two atoms, the rabi oscillation extent of the mean photon number decrease and the rabi oscillation frequency becomes rapid too, the antibunching effect becomes weak

    結果表明:隨著值的增加,光子統計演化曲線的rabi振蕩的幅度減小,振蕩頻率變快,系統的反聚束效應增強;隨著初始場強( ? )的增大,場與原子的相互作用逐漸減弱,而與介質的相互作用逐漸加強並提前發生。隨著原子間耦合系數g的增大,光子統計演化曲線的rabi振蕩的幅度減小且振蕩周期縮短,同時,系統的反聚束效應減弱。
  4. 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。
  5. We examin e the generation of bell state in bose - einstein condensates of two interacting species trapped in a double - well configuration analytically and the density of probability for finding the entangled bell state is given. we find that the oscillation amplitude of the probability of density for finding the entangled bell state becomes greater as the ratio of the interspecies interaction strength and the tunneling rate increases, moreover the self - interaction strength of the component a ( b ) has no effect on it. also we use the time - dependent su ( 2 ) gauge transformation to diagonalize the hamilton operator, obtain the berry phase and analytically the time - evolution operator

    此外我們還研究了在雙阱玻色-愛因斯坦凝聚中糾纏態的演化,研究發現隨著組分間相互作用和隨穿率的比值的增加系統演化到bell態的概率變大,而且組分自身內在的相互作用對形成bell態的幾率沒有影響;並且用含時su ( 2 )規范變換對角化哈密頓量得到了系統的berry位相和時間演化算符,並研究了量子隨穿過程。
  6. 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。
  7. On the contrary, because of the effect of positive damping provided by the inverter, the unit near a inveter will have no subsynchronous oscillation risk. based on the same method described above, a damping study is carried out for a hybrid ac / dc system, which include a hvdc link and an ac transmission line in parallel

    研究表明,系統整流站附近的同步發電機組要承受電氣負阻尼作用,因此有可能引起機組低頻扭轉振蕩模式失穩;而hvdc的逆變站向其臨近同步發電機組提供正阻尼,因而機組不存在次同步振蕩危險。
  8. In the section of experiment, we focused on the research of optical system of optical parameter oscillation, computer controlling data sampling closed - circuit system and technology of computer controlling feed - back. in the section of optics, we used present condition to do the experiments about optical parameter effect and got a series of characteristic curve on power transition efficiency and output power

    本文的實驗部分主要側重於智能化光參量系統的光學部分、計算機控制數據採集閉環系統以及計算機控制反饋技術的研究。在光學部分,本論文利用現有實驗條件進行了參量振蕩器頻率調諧的研究,得到了調諧曲線,並做了輸出參量光的能量轉換效率以及輸出功率的實驗,得到一系列特性曲線。
  9. In the processing of the numerical simulation of lrv dynamics, knowing from the creepages of irw first, wheel profile has sensitive effect on irw creepages, so the wheel profile should be selected cautiously to optimal the vehicle dynamic behaviors. next, the longitudinally creep force is disappeared, so the self - oscillation vvill do n ' t occur and the bogie is stability. while the natural steering action of vheelset is lost which means that some sort of steering action is necessary to keep the wheelset appropriately aligned on a curve

    在輕軌車輛動力學數字模擬計算中,通過對獨立旋轉車輪蠕滑率的分析知,車輪踏面外形對其影響十分敏感,適當的選取獨立旋轉車輪踏面的外形可以優化車輛的動力學性能;採用獨立旋轉車輪,縱向蠕滑力不復存在,自激振動不會發生,轉向架也就穩定;但同時,常規輪對具有的自動導向功能西南交通大學碩士研究生學位論文第11頁也失去了。
  10. Its interannual variation ' s main period is about 4 ~ 5a and the 7 ~ 8a ' s period exist too ; the interdecadal variation ' s main period of the australian high is about 15a. the interannual variation of australian high ( aah ) has correct correlation with antarctic oscillation and enso, and the enso ' s 4a period has the most important influence on the aah. ( 2 ) when the ah becomes stronger, the members of the whole aamcs are stronger following it. that is to say, in the years that the ah is stronger ( compared to the weak years of ah ) and on the horizontal circulation, the members of aamcs, including the ah, the cross - equator flow ( cef ) between 100 and 160 e, the south china sea south - west monsoom ( ssm ), the south sea monsoon rough, the tropical easily flow, subtropical high ( sh ), the mei - yu front, the mid - latitude effect, become stronger, and their positions are more southward ; in the meridional - right circulation, there are five circulations including classic monsoon meridional - cirle circulation and hadley circulation that become stronger in the strong years of ah than in the weak years of ah

    本文採用ncep ncar再分析月平均的全球海平面氣壓場、高度場、海表溫度場、高雲量和cmap全球降水資料,以及中國160站逐月降水資料,分析了1948 2002年期間澳大利亞高壓(以下簡稱澳高)的年際和年代際變化以及澳高年際變化對亞澳季風環流系統的影響,結果顯示: ( 1 )澳高存在明顯的年際和年代際變化,澳高年際變化以4 5年的周期變化為主,同時兼有7 8年左右的周期,而澳高的年代際變化則以15年左右的周期變化為主:澳高年際變化同時與南極濤動和enso有正相關,並且enso的4年左右的周期變化對澳高年際變化影響最大。
  11. Calculations indicate that the carrier phase takes effect till the time width of the pulse envelope becomes smaller than the period of the carrier oscillation, and the interpretation of this phenomenon is also presented. it is the difference between phase delay and group delay that causes the sliding between the carrier and the envelope

    數值分析的結果表明,當脈寬小於光波周期時,相位的作用開始顯現出來,當脈寬比光波周期長時,載波相位的作用可以忽略,並分析了相位起作用的原因,用解析的方法說明正是相延遲和群延遲之間的差別造成了光載波在脈沖包絡下的滑動。
  12. 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。
  13. Simulation results of a duffing forced - oscillation system confirm that the effect of the fuzzy approximation error on the tracking error can be attenuated efficiently by the proposed method

    強迫震?系統的模擬結果確定在模糊近似誤差的影響下,追蹤誤差能被有效的衰減。
  14. The oscillation of continuous casting mold is an important factor that has effect on casting production. the oscillation of continuous casting mold has experienced four kinds : synchronisiru negative slide >. sinusoidal and non - sinusoidal oscillation

    連鑄結晶器的振動是影響連鑄生產的重要因素,它主要分為四種方式:同步式振動、負滑動式振動,正弦振動和非正弦振動。
  15. 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。
  16. By using data of index of subtropical high between 1951 and 2000, we discovery that it has 3. 5 and 2. 5 year oscillation, it accords with precipitation oscillation and show that it is principle effect of precipitation. analysis of vorticity and divergence show that subtropical high affect precipitation, drought and flood by 500 & 700hpa vorticity and 850hpa divergence. vorticity and energy index of subtropical high are sign of chinese precipitation, drought and flood

    利用1951年至2000年副高特徵指數及渦度、散度、水氣通量散度物理量,小波分析發現,西太平洋副高面積和強度有3 . 5年周期,北界指數有2 . 5年和5年周期,這和中國降水、旱澇變化趨勢一致,說明副高是影響降水主要因素之一。
  17. The heat transfer enhancement is different under different oscillator. there is the optimum oscillation intensity under which the heat transfer coefficient will be increased by about 30 percent. the change of outlet structure size of a resonance chamber shows little effect on the strength of heat transfer : the pressure of the optional heat transfer coefficient always is between 0. 4mpa and 0. 6mpa, and the optional heat transfer coefficient is enhanced by 30 percent or so

    不同的振蕩強度,強化換熱的效果也不同,存在一個最佳強度,此時的強化換熱效果最好,可以將表面換熱系數提高30 %左右;對于同一共振腔,配合以不同的出口結構尺寸,對于換熱效果的強化的影響變化不大:出現最佳強化效果時的壓力基本都在0 . 4 - 0 . 6 ,最佳的強化效果也都是將表面換熱系數提高30 %左右。
  18. The anti - rolling tanks have three types including passive anti - rolling, controlled passively anti - rolling tank and active anti - rolling tank. the controlled passively anti - rolling tank has high performance, and it can adjust the water oscillation period through the valves in the upper of side tank in order to adapt the roll period. thus the controlled passively anti - rolling has favorable effect in the any states

    其中,可控被動式減搖水艙是一種高效能的減搖水艙,它可以通過自動控制系統調節邊艙頂部的氣閥開關來調節水艙內水流振蕩周期,以適應經常變化的橫搖周期,保證在任何海浪作用下水艙都具有良好的減搖效果。
  19. Free of conventional cooling towers and mechanical and electromagnetic noises, the equipment is built of static components. except for water sound during operation, it produces no noise and no co - oscillation effect - complies with noise control requirements

    ( 2 )無傳統冷卻塔機械及電磁低頻噪音,本塔由靜態組件構成,運轉除水聲外、無噪音、無共
  20. First a diagnostic analysis is carried out to research the frequency modulation effect that the el - nino and la - nina events has on atmospheric low - frequency oscillation ( lfo ) in the mid - high latitudes

    首先用診斷的方法,研究了el - nino和la - nina事件對中高緯大氣低頻振蕩的調頻作用。
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