過渡振動 的英文怎麼說

中文拼音 [guòzhèndòng]
過渡振動 英文
tra ient vibration
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : Ⅰ動詞1 (由此岸到彼岸;通過) cross (a river the sea etc ) 2 (渡過) tide over; pull through 3 ...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • 過渡 : transition; transit
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. Yet the concept that light is somehow inherently oscillatory has persisted throughout this transition period.

    但是光本來是某種這一概念在時期里始終保持著。
  2. Based on the traditional model of vibrat ory machines , an electrome chanical - coupled model of motor - vibrator y machine system is established, and a reasonable quantitative expla ining of engineering phenomena in transi ent processes is given by digital simula tion according to it. the, mechanism of self - synchronous vibration, and vibratory synchronization transmissi on is proposed in this paper

    本文對此進行了專門的研究,在傳統的機械模型基礎上建立了電機-機械繫統的機電耦合模型,利用該模型進行數值模擬對程中的一系列實際現象做出了合理的定量解釋,揭示了自同步同步傳的機電耦合機理。
  3. Due to the vibration and swing of generating units of wujiangdu hydropower station are larger than specifications when its capacity is added, the authors analysis the reasons and provide the measure of weight correction

    摘要針對烏江水電站增容改造后1號機組擺度偏大的現象,分析了引起機組擺度大的原因,並提出了配重校正的措施。
  4. ( 2 ) the crack compares with one depth with the first steps and the second steps natural frequency vibration, crack position near crank arm and main shaft transition round natural frequency little place under crankshaft ; with the third steps and the fourth steps natural frequency vibration, the smaller close to the second crank arm of crankshaft and round place natural frequency of the main shaft transition the position is

    ( 2 )裂紋同一深度比以第1階和第2階固有頻率,裂紋位置越靠近曲軸中間曲柄臂與主軸圓處固有頻率越小;以第3階和第4階固有頻率,位置越靠近曲軸第二個曲柄臂與主軸圓處固有頻率越小。
  5. The physical characteristic of forming plasma within resonant cavity was revealed, i. e. the forming mechanism is a switching process from the ionization caused by strong electric field at the initial stage of mpt ' s start to another ionization caused by joule ' s heat at the stage of mpt ' s steady work. the main influencing factors of mpt ' s steady work were studied. anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing

    分析了mpt諧腔內微波能量的轉換程,揭示了其內等離子體的形成是由mpt啟初期的強電場電離形成放電區到穩定工作期的熱電離形成穩態等離子體區這一物理本質;研究了影響mpt穩定工作的主要因素,指出微波有效功率與諧腔內氣體壓強的匹配是維持等離子體穩定、避免等離子體消失、放電區熄滅的關鍵因素。
  6. When the front section length is equal to that of the back section, the torsional characteristic of the system is studied

    結合階梯形變幅桿兩段長度相等的情況,分析了系統的扭轉特性,得出了段參數和階梯形變幅桿參數的關系圖像。
  7. The paper analyzed the relationship of the scale factors and several main performance indexes of the system ' s respond curve like over - regulation, divergence, surge - degree, steady - state error and transient time, and denoted these indexes by some fuzzy membership functions

    溫室溫度響應的主要態性能指標包括:超調量、系統發散程度、系統蕩程度、穩態誤差、程時間等。
  8. Although self - syn chronous vibration and vibratory synchro nization transmission have been applied, in, mechanical engineering successfully , the, transient processes of self - synchron ization and synchronization transmission, in vibratory machines are still obscure. the physical processes of vibratory mac hines from asynchronous condition to syn chronous condition or from one type of s ynchronous condition to another co uld not be explained quantitatively acco rding to available, mechanical models. in this paper the pro blem is addrested specially

    自同步同步傳在機械工程上已獲得成功應用,但是機械實現自同步同步傳程長期以來卻一直不明確,利用現有的機械模型還不能定量解釋系統從不同步到同步、或是從一種同步狀態到另一種同步狀態的物理程。
  9. Phase transition from u ( 3 ) to o ( 4 ) in the model is also analyzed in detail. finally, the vibron model is used to describe diatomic molecules. fitting to vibrational energy spectra is performed using both transitional theory and dynamical symmetry limit theory within the same framework

    利用建立在該嚴格解基礎上的計算程序討論了u ( 4 )子模型的區理論對雙原子分子能譜的描述,並與o ( 4 )極限的計算結果做了比較。
  10. It is noted that the u ( 3 ) - o ( 4 ) transitional region of the model can also be solved exactly by means of an infinite dimensional algebraic technique

    利用bethe假定方法並結合無窮維李代數技術得到了u ( 4 )子模型在u ( 3 ) o ( 4 )區的代數嚴格解。
  11. Then, taking into account the effect of the compression of the approach roadway and the differential slope of the bridge slab, the author analyzes the dynamic response of man - vehicle - road system when the vehicle approaches and leaves the bridge by means of laplace transform, the curve of man ' s acceleration versus time, the vertical force between the vehicle and road versus time, the man ' s maximum transient vibration value and the maximum force between the vehicle and road are got, and the program about the calculating progress above are edited. based on the analysis above, the influence on the maximum transient vibration value of some parameters about the vehicle and road such as the movement direction and speed and weight of the vehicle, the differential slope of the bridge slab and the length of the approach slab, are studied, and some conclusion are given

    分上橋和下橋兩種情況,考慮車路耦合和橋面沉降坡差的影響,對車輛通設和不設搭板的路橋段時「人?車?路」系統的相互作用用拉普拉斯變換法進行了力響應分析,得到了人的加速度及路面對車的垂直作用力隨時間的變化曲線、人的加速度最大瞬態值和路面對車的最大作用力,分析了車輛的行進方向、速度和載重,橋面沉降坡差和搭板長度等車和路各參數對計算結果的影響,並編制了相應的計算程序。
  12. When this fault is cutted off and the breaker is reclosed, this scheme ca n ' t start by mistake. the availability of this scheme is proved with matlab test. the single phase high - impedance grounding fault is settled properly

    Matlab模擬分析證明了該方案耐受電阻的能力強,在故障切除和重合閘時不會因出現的暫態信號而誤啟,不受系統蕩、頻率偏差的影響,克服了常規保護靈敏度不足的缺點,較好地解決了單相高阻接地故障的難題。
  13. A novel resonant pole zvt three - phase pwm inverter circuit for three - phase ac motor driving is presented. the proposed circuit has the feature of being more flexible with three inverter arms in zvt process. using only one resonant inductance, the inverter can not only reduce the power loss of inductance but also avoid possibility of unbalance in motor ' s three stator windings

    提出了一種針對三相交流電機驅的新型諧極零電壓三相pwm逆變器電路,該電路中三個逆變橋臂的零電壓更具有靈活性,僅使用一個諧電感,既減少了電感損耗又防止了電機三相定子繞組可能存在的不平衡問題,並且諧電感中殘余能量能夠回饋給電源;新型逆變器的輔助開關均工作在零電流開關條件下,並且控制邏輯簡單。
  14. Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained

    摘要基於傳遞矩陣演算法,推導出了變截面桿扭轉時等效四端網路參量的一般表達式,研究了帶類餘弦段階梯形變幅桿扭轉頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。
  15. The dynamic characteristic of large - scale aqueduct is analyzed under four cases ( aqueduct without water, aqueduct with water in three troughs, aqueduct with water in the middle trough, aqueduct with water in side troughs ), and the results can be applied to seismic - resistance design of large - sc ale aqueduct. the earthquake time history response of large - scale aqueduct is studied under four cases when the el - centro earthquake wave is inputted. in the paper, base isolation technology is applied to avoid the destroy arising from the bigger stress in aqueduct

    本文分4種工況(槽內無水、中槽水、邊槽水和三槽都水)對該大型槽結構的態特性進行分析,所得結果可為大型槽結構抗震設計提供依據;並在el - centro地震波激下進行槽結構在這四種工況下的地震力時程分析,計算給出了大型槽結構的地震反應規律;為了避免較大應力的出現對槽結構造成破壞,本文採取隔震措施來減小該結構的力反應,並分析其隔震效果,提供設計參數,為工程設計提供依據。
  16. Fan, j. and shen, c. ( 1995 ) a sterically dependent chemical reaction model. rarefied gas dynamics, edited by j. harvey & g. lord, pp. 469 - 475

    沈青,樊菁,胡華,徐曉燕( 1996 )領域三維繞流直接統計模擬的新演算法。空氣力學學報, 14卷, 3期, 467 475頁
  17. Based on the different work states of engine, the engine vibration signal collected in it ' s steady work conditions is analysed by the technique of confrequency spectrum ; the signal related to the fast run - up state is processed by stft and wavelet analysis

    根據發機的工作特點,將信號分為穩態信號和信號。穩態信號採用傳統的傅立葉分析方法,態信號採用了短時傅立葉變換和小波方法。
  18. By means of the method of combining theoretic analysis with mathematic calculation, the mathematic model of medium mill ' s electromechanical twist vibration was established, the whole response of the system in transition process was obtained by the solution of the model, the clearance and skid of main transmission system were analyzed in rolling process, and they were studied with computer simulation

    摘要採用理論分析和數值計算相結合的方法建立了中厚板軋機機電扭數學模型,通對該模型的求解,得到系統在程中的全部響應,且對軋機在軋制程中的主傳系統的間隙和打滑兩種狀態進行了分析,並對此進行了計算機模擬研究。
  19. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車加速度時程作為模型輸入,進行了地基?樁基礎?地上結構的整體力學分析,分析了地鐵列車運行產生的在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的強度有減小的趨勢; ( 2 )地面豎直方向的強度較之水平方向的略大; ( 3 )隨著與源距離的增大,在水平方向上,地上各幢樓房的強度由底層和頂層的最大、中間層的最小逐漸到沿樓層增高而減小; ( 4 )在豎直方向上,每幢樓各層端點的速度、加速度完全相同,表明樓房各層在豎直方向上的運狀態一致; ( 5 )各幢樓房豎直方向的強度比水平方向的大; ( 6 )增加軌道彈性是減輕地面和地上建築的有效途徑。
  20. In this paper, a mechanic model of man - chair - vehicle system with 3 degrees of freedom is built to analyze the effects on automobile ride comfort due to the differential settlement between roadway approach embankments and bridge structures. on the base of some field survey results on abundant literature and the calculating results in this paper, the controlling criterion of the differential settlements on approach embankment has been put forward

    本文利用汽車平順性評價的理論,建立「車輛?人體?座椅」系統,對臺背不同差異沉降對行車舒適性的影響進行分析,並結合相關文獻資料的結果,提出臺背段沉降的控制標準。
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