非周期振動 的英文怎麼說
中文拼音 [fēizhōuqīzhèndòng]
非周期振動
英文
aperiodic motion- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 周 : Ⅰ名詞1 (圈子; 周圍) circumference; periphery; circuit 2 (星期) week 3 [電學] (周波的簡稱) c...
- 期 : 期名詞[書面語]1. (一周年) a full year; anniversary 2. (一整月) a full month
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
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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。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。Periodic and homoclinic motions in coupled, nonlinear oscillators
耦合的非線性振動子的周期運動和同宿運動Random process theory is a kind of effective mathematical tool to handle random vibration problem. through frequency spectra and time domain analysis for random course, the seemed complex vibration time - history can be transferred to trigonometric function series, thus makes it have certain periodic feature
隨機過程是處理隨機振動問題的一種有效的數學工具,通過對隨機過程進行時域分析和頻譜分析,可以將看似非常復雜和毫無規律的隨機振動表示為三角函數的級數形式,從而使其具備了一定的周期性特徵。These research also approve some inherent phenomena in nonlinear systems such as the interleaving of stability region and instability region, the parameter sensibility of the instable modes, divergence after a relatively long time of chaotic swings ( transient chaos ), a cascade of period double bifurcations to chaos and etc. these phenomena are of great importance to both theoretical research and engineering practice
研究還證實了一些非線性系統所特有的現象,如穩定域和不穩定域的相互交錯現象,失穩模式對參數的敏感性,一段時間混沌振蕩后的無界現象(稱為預無界混池) ,由周期運動經一連串倍周期分岔直至混濁等。這些現象對理論研究與工程實踐都具有重要意義。The states of the system and their differential signals are obtained on time by tracking differentiator, and the influence induced by nonlinear periodic load disturbance is compensated adaptively
電力系統混沌振蕩狀態和它的微分信號由微分跟隨器實時提取,並通過微分跟隨器對非線性周期性負荷擾動的影響進行自適應補償。From this paper ' s study, it had been identified that the pushover analysis method was reliable in scope below : ( a ) low - middle rise, regular, the first model deformable structures, ( b ) short - period structures, ( c ) middle - rise non - symmetric frame structures, ( d ) middle - rise vertical - irregular frame structures, ( e ) middle - rise base - isolated structures, etc. it had also been identified that the time history analysis method could be replaced by the pushover analysis method when the pushover analysis method was reliable
通過本文的研究,證明了pushover法在如下結構中的應用具有足夠的準確性:中低層、規則、以第一振型為主要變形特徵的結構,短周期結構,多層不對稱框架結構,多層豎向不規則框架結構,多層基礎隔震結構。同時證明了在pushover法的適用范圍內,可以應用簡單的pushover法代替復雜的非線性動力時程分析法對結構進行抗震性能評估。Finally, the cqc ( t ) algorithm which used to calculate the non - stationary under earthquake random excitation was derived, the exemplary analysis show that the improvement of accuracy of cqc ( t ) algorithm is limited for the normal structures which have low period
最後本文提出了計算地震動隨機激勵作用下非平穩響應的cqc ( t )方法,通過算例比較發現對於一般的自振周期較小的結構, cqc ( t )方法的精度提高並不明顯。First of all, the method of fredholm alternative is used to obtain the approximate solution of the first order for the bifurcating periodic solutions of a nonlinear system with delayed velocity feedback. the bifurcation direction and the stability of the bifurcating periodic solution are also determined
首先,用fredholm擇一方法分析了一具有時滯速度反饋的非線性振動系統的hopf分叉,得到了局部分叉周期解的近似表達式,確定了分叉解的分叉方向及穩定性。The linear periodic time - varying vibration system can be changed to a constant coefficient linear system by l tansformation
摘要線性周期時變齊次系統的狀態方程經李亞普諾夫變換后,周質系數線性時變振動系統轉化為一非齊次定常線性系統。We consider the traveling waves of a delay cnn system with the output function f given as a non - linear function in the latter. we show the existence of monotone traveling waves solutions and describe the global structure of traveling waves such as monotone, damped oscillation, periodic oscillation and unbounded etc as the wave speed c is classified in r
第二部分我們考慮具時滯非線性cnn系統模型,得出方程單調行波解存在,並將波速c r分成若干個區間,得出c在各個區間時行波解曲線相應的類型包括單調、衰減振動、周期振動、無界等類型。A study of motion periods of two nonlinear elastic springs
兩類非線性彈簧振動周期的研究Non - linear circuit vibrate - periodie bifurcation and chaos phenomenon
非線性電路振動周期的分岔與混沌現象Approximate analytical periods to oscillations of a spherical gas bubble in an ideal incompressible fluid
理想不可壓流體中氣泡非線性振動周期的解析逼近In the theoretical analysis, first the dynamics model of the prepressing - contact spring - damping system was established by vibration theory. then the stability of the solution of this system was studied base on the qualitative theory of nonlinear vibration
在理論分析方面,首先根據振動理論建立預緊接觸式彈簧阻尼系統的力學模型,然後利用非線性振動的定性理論研究系統周期解的穩定性。3. we studied the periodic motions due to the nonlinear resonances of d - c and c - n stretches of dcn molecule
我們對氰化氘( dcn )振動體系的非線性效應引致周期軌跡的過程進行詳細的研究。Especially in recent score years, in autonomous and nonautonomous systems, the neutral, finite - delay, infinite - delay, diffusive, discrete, discrete - delay, generalized, difference and other style models were discussed on optimal harvesting, osillation, stability, global stability, and other asmptotic behaviors of logistic equation. reference were searched in [ l - 6 ], [ 10 - 18 ], [ 20 - 31 ], [ 34 ]. the periodic and almost periodic function logistic equation, which are widely studied recently, the results about the above are found on many kinds of magazines
尤其是近二十多年來,在自治系統與非自治系統中有關有限時滯型,無限時滯型,中立型,離散型,擴散型,離散時滯型,廣義型,差分型logistic方程的最優捕獲策略,振動性,周期解,概周期解,漸近性態,全局性態等方向進行了各方面的研究,可參見文獻[ 1 - 6 ] , [ 10 - 18 ] , [ 20 - 31 ] , [ 34 ]( 3 ) we investigate the nonlinear dynamics of the inverted pendulum system in 1 / 1 internal resonance and 1 / 2 sub harmonic resonance. using the multiple method of scale, the averaged equations of the inverted pendulum system are obtained
( 3 )應用多尺度方法研究了倒立擺系統在內共振和1 / 3亞諧共振情況下的非線性動力學響應,得出系統的平均方程,得到了系統的頻率響應方程,對周期解和局部分叉進行了分析。Nonlinear dynamic modeling and periodic vibration of a cantilever beam subjected to axial movement of basement
受軸向基礎激勵懸臂梁非線性動力學建模及周期振動On the existence of periodic solutions for nonlinear vibration system
非線性振動系統周期解的存在性分享友人