This is the second of three papers on the geometric and combinatorial characterization of global Sturm attractors which consist of a single closed 3-ball. The underlying scalar PDE is parabolic, ut = uxx + f(x, u, ux) , on the unit interval 0 < x < 1 with Neumann boundary conditions. Equilibria are assumed to be hyperbolic. Geometrically, we study the resulting Thom-Smale dynamic complex with c...

This paper presents a printed dual band monopole antenna working below 250 MHz using meander line and an added stub. Meander approach is used to reduce the size of low frequency monopole. The proposed fed by microstrip on FR-4 substrate with overall 290 x 83 mm 2 . stub tuned operation at 114 221 measured reflection coefficient -19 dB both bands. has omni-directional characteristics efficiency ...

The majority of tidal channels display marked meandering features. Despite their importance in oil-reservoir formation and tidal landscape morphology, questions remain on whether tidal-meander dynamics could be understood in terms of fluvial processes and theory. Key differences suggest otherwise, like the periodic reversal of landscape-forming tidal flows and the widely accepted empirical noti...