quasi-periodic


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quasi-periodic

adj
1. (Geological Science) almost periodic
2. (Mathematics) maths (of a function) having an increase in functional value based on the increase of the variable
3. (General Physics) physics (of a motion) having two periods without a common duration
4. (Minerals) crystallog maths having an irregularly occurring pattern
5. (Mathematics) crystallog maths having an irregularly occurring pattern
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Extended States for the Schrodinger Operator with Quasi-Periodic Potential in Dimension Two
The operator [H.sub.0] describes a well-understood system with [V.sub.n] being the background periodic or quasi-periodic potential.
Qi, "Bilinear approach to quasi-periodic wave solutions of the Kersten-Krasil'shchik coupled KdV-mKdV system," Boundary Value Problems, p.
The domains grew through the crystal and appeared at the opposite polar surface as quasi-periodic chains of isolated hexagonal microdomains (Figure 1(f)), which merged to the "dashed" structure (Figure 1(g)) for middle D values.
The question about the reducibility of quasi-periodic systems plays an important role in the theory of ordinary differential equations.
On Saturn, it's known as Quasi-Periodic Oscillation (QPO) and Quasi-Quadrennial Oscillation (QQO) on Jupiter.
So, the heart sounds are quasi-periodic. The degree of the periodic property can be reflected by the sharpness of the peak.
Finally, after 20-25 laser scans, a granular film is formed with an average height of the relief of 52nm (Figure 5(a)), which differs from the quasi-periodic nanoparticle arrays obtained for smaller number of laser passages at smaller laser speed (Figure 5(b)).
Qin, "A kind of explicit quasi-periodic solution and its limit for the Toda lattice equation," Modern Physics Letters B, vol.
We will focus in particular on predictability in the vicinity of bifurcations leading to intermittent and quasi-periodic dynamics.
Although only four scattered and isolated points are observed in the Poincare maps shown in Figures 10(d), 11(d), 16(d), and 17(d), the enlarged graphic circulated by the red circle shows that the isolated "points" are actually closed loops which indicate quasi-periodic motion.
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