共振周期 的英文怎麼說
中文拼音 [gòngzhènzhōuqī]
共振周期
英文
resonant period-
The results of simulation indicated speech signal processed by the optimum algorithm presents obvious periodicity in time domain, and effect of the formant is removed or restrained effectively in frequency domain
處理后的語音信號在時域上表現出明顯的周期性特徵,同時在頻域上也觀察到聲道的共振峰結構影響得到消除或有效的抑制。Thirdly, we consider the n - dimensional duffing type equation with damping term. by virtue of homeomorphism, extension and fixed point method, we discuss the existence of periodic solution under the nonresonance condition
再次,我們考慮n維的帶有阻尼項的duffing型方程,運用同胚延拓及不動點方法,討論了非共振條件下周期解的存在性問題。Two different kinds of approximate theories for analyzing colored noise are employed in the nonlinear system. then effects of the colored nature of the noise on the statistical properties of the laser system, the stochastic resonance of bistable system, and the steady - state probability current of quasi - periodic system are investigated
本文主要通過兩種不同的色噪聲近似理論,分析了非線性系統噪聲的有色性對激光系統的統計性質、準周期性系統的定態幾率流和雙穩系統中的隨機共振現象的影響。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。The essay combines " code for seismic design of buildings " ( gb50011 - 2001 ), analyzing and discussing bent structure of one - story industry buildings tinder the interaction of the seismic, ground - structure, and works out calculation model for bent structure ' s dynamic period about the depth of burying foundation and toft transmutation ; the model is employed expediently, adapts to actual engineer construction design at present
本文結合我國《建築抗震設計規范》 ( gb50011 - 2001 ) ,對單層工業廠房排架結構在地震作用下土?結構共同作用問題進行了分析討論,給出了考慮基礎埋深與地基變形影響時排架結構自振周期的計算模型;這?模型應用方便,適合目前實際工程結構設計使用。It has been shown that whether resonant or non - resonant interaction system, the kerr effect weakens the coupling of the field - atom, shortens the cycle of quantum collapses and revivals of the atomic level occupation and makes the nonclassical correlation properties steady. kerr effects on the properties of the correlation, on the correlation intensity between the two - mode, on the photon - number distribution and on the bunching or antibunching effect of the two - mode su ( 1, 1 ) coherent states produce obviously different characters when it is changed the initial intensity of the light field. that is to say, kerr effect on the two interaction systems is accorded
數值計算結果表明:無論是共振還是非共振相互作用, kerr效應均使原子與光場的耦合減弱,原子布居的崩塌與復甦的周期縮短,光場的非經典相關的穩定性增強;在初始光場較弱和較強兩種情況下,類kerr介質對雙模su ( 1 , 1 )相干態場兩模間的相關性、相關程度以及光子的聚束與反聚束效應產生的作用均有明顯的區別,即kerr效應對系統在共振及非共振作用時的影響是一致的。It is found that the existence of a maximum in the snr is the identifying characteristic of the sr phenomenon. " the main - unexpected - - novelty is the dependence of the effect on initial condition. " ( report of the phys. rev. e referee ) the coherence resonance ( cr ) and the stochastic resonance ( sr ) phenomenon in a globally coupled fitzhugh - nagumo neurons model are studied
Ohyreve審稿人語)在對fhn神經模型的共振現象研究中,我們考慮一個存在耦合的多個神經細胞相互作用的神經網路,利用平均場理論和概率躍遷理論,得到了神經系統在無信號和有周期性信號的兩種倩況下的靜息電位。The natural periods of formal six modes were advanced researched, the floor panel is assumed to be elastic, contrast with the results, first time it ' s found that the third natural period has a small affection considering sshsti. when the axial loads on piles are considered, the other periods in the formal six modes have relative percent variation from 30 % to 60 %, and the relative percent changes small considering different ground
對比分析發現,體系前六階振型中,考慮樓板彈性假定的地基基礎與結構共同作用對第三振型固有周期基本不存在影響,當地基中的群樁考慮軸力時,其它固有周期增大在30 %至60 %之間,且不同地基之間的差異變化較小。The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle
研究了地球在日月引潮力和表面負荷作用下的形變特徵,數值計算結果表明,在固體內核中的形變很小,由於在長周期核模本徵頻率附近的共振,液核中低階( n 10 )位移隨半徑的變化非常復雜,當負荷階數超過10時,地核中的形變和擾動位都很小,地球的響應主要表現為彈性地幔中的徑向位移,且隨深度增加急劇減弱,地表負荷love數與信號頻率的依賴關系很弱,給出了體潮love數計算的一種有效的近似處理方案。Although this may be sad from a physical point of view, all nonphysical forces shall retract and carry on, returning to those creations that they are resonant with for their own return cycle ahead
盡管從物質層角度來看這很悲慘,但所有的非物質力量都將撤回而繼續前進,回到它們共振的造物而在前方周期中演化回家。When the natural frequency of the gas column in the inlet valve is consistent with the main frequency of the periodic air inlet noise, the resonance noise of the gas column will also become prominent in the air inlet noise
進氣管空氣柱的固有頻率與周期性進氣噪聲的主要頻率相一致時,空氣柱的共振噪聲在進氣噪聲中也會較為突出。4. the tidal gravity observations, recorded with a scg at wuhan, are employed to investigate the influences of the ocean tide loading on the fitted fcn parameters and the local characteristics of the nearly diurnal resonance on the tidal gravity observations. it is found that the influence of different co - tides on the fitted eigenperiod and the real part of the resonance strength of the fcn is very small
結果表明,不同海潮模型對擬合的fcn周期和共振強度實部影響甚微,差異主要表現在品質因子和共振強度虛部的擬合,通過不同海潮模型改正後重力潮汐觀測資料的迭積,可減小海潮模型不確定性的影響,獲得fcn共振參數。To reproduce the narrow - band response, based on the thought of kanamori etc., the damping ratio and natural period are modified. through this adjustment, the narrow - band response can be reproduced, but for some natural periods the adjustive damping ratio has become negative. the negative damping is strange and can not be explained by the equation of motion for sdof system
為了生成窄頻帶反應,本文根據kanamori等人的方法調整了計算時的阻尼比及自振周期,調整后的單邊差分方法能在共振區域生成很好的窄頻帶反應,但是對一些周期點的阻尼比調整成為了負值,這從系統的動力平衡方程是難以解釋的。Based on the unified recursive formula, the four algorithms included in this study are the central difference method, the newrnark ' s method, z - transform method, and duhamel ' s step integral method. the accuracy, the phase and other existent problem are studied in this paper. it is proved in this paper that the recursive parameters b1and b2are relate to the poles of theoretical transfer function
分析中可以發現,中心差分方法, newmark中點加速度方法、 z變換方法及duhamel逐步積分法在精度范圍內其計算相位是沒有畸變的,中國地震局工程力學研究所頃土學位論文一但是中心差分方法, newmark中點加速度方法隨著采樣間隔及系統自振頻率的增大,系統的固有自振周期被改變,其傳遞函數的共振區域與理論傳遞函數的共振區域會發生分離。Using this method not only the necessary condition of existence and the approximate analytic expressions of the periodic solutions for primary - harmonic, super - harmonic and sub - harmonic resonances can be obtained, but the criteria of stability for these solutions can also be gained
該方法給出了二階強非線性非自治系統主諧波共振和超諧波、次諧波共振周期解存在的必要條件,求得了這些周期解的近似解析表達式,並且得出了解的穩定性判據。The study indicates that the base - isolated structure has reduced the horizontal stiffness and enlarges the self - vibration period. thus, makes its frequency far away from occur with the place earthquaking. therefore, these will reduce the horizontal earthquake effect
理論分析研究表明:基礎隔震結構由於在房屋的基礎頂面設置柔性的橡膠墊,從而降低了隔震結構的水平剛度,增大了結構的自振周期,使其遠離與場地發生共振的頻率段,因此也就降低了結構的水平地震作用。The resonance frequency of the accelerating tube is synchronizing with the cooling water temperature
加速管共振周波數冷卻水溫度同期。Based on the general design of bent structure. aiming at multi - complexion bent structure, the essay calculates the dynamic period and domino effect of earthquake, 66 groups in all about shearing force ( q ) and crooked ( m ) of control section. the essay chooses appropriate regress parameter through repeating attempt, and makes use of origin regress analysis program protract dot chart of multi - structure, through multinomial regress analyse, finally works out the simplified formulas for single - stride bent with different stride shearing force ( q ) and crooked road ( m ) of control section
以排架結構常規設計為基礎,針對多種工況下的排架結構,計算了自振周期、地震作用及其效應,共有66組控制截面的剪力q和彎矩m 。然後經過反復嘗試選定合適的回歸參數,利用origin回歸分析程序繪出各類結構的散點圖,經過多項式回歸分析,得到單跨排架不同跨度時控制截面剪力和彎矩的簡化計算公式。Under the different wave heights, the variation of the reflection coefficient with wave - period, the resonant periods and the maximal reflection coefficients are almost the same
兩種入射波高對應條件下的反射系數-周期( kr - t )曲線形狀相似,共振周期基本一致,最大反射系數相差不大。The numerical model based on vof method gives the bragg resonance phenomena and the resonant reflection coefficient agrees well with the result of physical experiment. the numerical simulation on the interaction between surface waves and the triangle / trapezium sandbars on the seabed also shows the bragg resonance and the resonant period matches the davies " prediction
應用vof方法所建立的數學模型,在與物理模型試驗相同條件下,數值模擬反映出的bragg共振現象及得到的最大反射系數與物理模型試驗結果吻合;對波浪與三角形或梯形沙壩地形相互作用的數值模擬也較好地反映出了bragg共振現象,共振周期與davies理論預測一致。分享友人