Abstract: Wireless transmissions are inherently vulnerable to jamming attacks. Frequency hopping (FH) has been widely employed in practice to combat jamming attacks. Although the recent use of ...

Archaeologists have uncovered a labyrinth in India that dates back 2,000 years and has a pattern similar to those found on clay tablets found at Pylos, Greece, from 1200 BC. The square Indian ...

The crossroads quilt block is a great way to showcase a variety of fabrics. Feel free to use precuts or select fabric from your stash. This block is made using just two basic units arranged just so to ...

Abstract: We consider the problem of recovering block-sparse signals whose cluster patterns are unknown a priori. Block-sparse signals with nonzero coefficients occurring in clusters arise naturally ...

I work a full-time job and spend my after-work time parenting my 2-year-old daughter. I get one hour of free time between her bedtime and my own, and every night, I spend it quilting. I've been ...

† DWI an der RWTH Aachen e. V., Lehrstuhl für Makromolekulare Materialien und Oberflächen, RWTH Aachen University, D-52056 Aachen, Germany ‡ Gemeinschaftslabor für Elektronenmikroskopie, RWTH Aachen ...

A common upper-air pattern seems to be coming a few weeks early. It could be the sign this particular weather pattern will be worked off by the end of May. Right now we have what we meteorologists ...

An omega block pattern will bring threats of flooding rain to the Plains and Northeast, and some weird temperature maps across the country during the first full week of May. What Is An Omega Block? If ...

Add Yahoo as a preferred source to see more of our stories on Google. An omega block pattern will bring threats of flooding rain to the Plains and Northeast, and some weird temperature maps across the ...