quasiperiodic 中文意思是什麼
quasiperiodic
解釋
準周期-
In this paper, we have studied the transmission of a plane wave through a 1d quasiperiodic or aperiodic chain by numerical method. moreover the heat conduction for these chains is calculated. it is found that the heat flux j ~ n - 1 ( 0. 5 < < 1 ), and depends on the on - site potentials
本文首先用數值方法，計算了各種頻率的平面波通過以上幾種典型的一維準周期和非周期鏈的透射系數，並據此研究了這幾種一維準周期和非周期鏈的熱通量j與粒子數n之間的關系，得出j n ~ （ a - 1 ） ， 0 . 5 1 ，與系統中在位勢的大小有關，並與其他系統的結果作了比較。 -
On the reducibility of linear differential equations with quasiperiodic coefficients depending on parameters
一類帶有參數的線性擬周期微分方程系統的可約化性 -
In addition to the familiar period doubling bifurcation scenario leading to chaos, a quasiperiodic route to chaos is also observed which occurs through an initial hopf bifurcation. the current chaos control methods are compared, the stabilization of unstable periodic orbits of this chaotic system is achieved by continuous feedback control method, the specially designed external oscillator which used as target motion orbit in continuous feedback control method is obtained directly from ihb method
對現有的混沌控制方法的優缺點進行了比較，利用混沌控制理論中的連續變量反饋控制方法，實現了系統混沌吸引子內部的不穩定周期軌道的穩定化，對齒輪傳動系統進行了有效的混沌控制，並對連續變量反饋方法的結果進行了分析，包括噪聲的影響和方法的改進。 -
Effect of defects on transport properties in quasiperiodic nanoscaled magnetic quantum structure
缺陷對準周期磁超晶格輸運性質的影響 -
Finally, the results are compared with periodic and random chains. then we studied acoustic wave propagation in 1d quasiperiodic and aperiodic systems by means of he transfer matrix. transmission rate, reflection rate, energy flow, logarithmic energy flow, energy density and lyapunov exponent are computed numerically, and compared with periodic and random system
其次研究了聲波在幾種一維準周期和非周期系統中的傳播，通過轉移矩陣的方法，數值地得到了系統的傳播系數t _ n 、反射系數r _ n 、能流密度j _ n ，能量密度e _ n和lyapunov指數，給出了以上各量與傳播長度n以及頻率之間的關系，同時發現能流及能量密度都具有分形結構，並與周期和隨機系統的結果作了比較。 -
In recent years, there are more interests in the studies of quasiperiodic structures, such as fibonacci modek general fibonacci modek pd ( period - doubling ) and tm ( thue - morse ) model
研究最廣泛的一維準周期和非周期系統有fibonacci模型、廣義fibonacci模型、 thue - morse模型和period - doubling模型等。
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