Abstract: A zenithal null-filled and horizontal radiation-enhanced technique is proposed and adopted in the design of an omnidirectional monopole antenna in this work for aircraft wireless avionics ...

If you thought all sofas were created equal—or worse, a headache to buy and even harder to live with—think again. DreamSofa is here. So here’s the deal: most sofas are stubborn. You pick a shape, size ...

Amateur radio operators have always been early adopters of new technology, but the transition to electric vehicles presents challenges that go far beyond learning new equipment. The electromagnetic ...

When I write about antennas, readers respond with questions on specific antennas or ask how the antennas I’ve described work (I still get email messages asking about the Gray-Hoverman and UHF rhombic ...

Abstract: In this paper, we studied and designed a wideband four-arm sinuous antenna for 4-14GHz. To get unidirectional performance, we added a backed reflective cavity at one side of the antenna. It ...

Since 1971, Travel + Leisure editors have followed one mission: to inform, inspire, and guide travelers to have deeper, more meaningful experiences. T+L's editors have traveled to countries all over ...

National Key Laboratory of Laser Spatial Information, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China ...

Prepared by Lisa Wong, the chorus brought heroic weight and clarity to Deutsch’s score. It hovered in close harmonies, burst into block-like proclamations, or whispered German consonants like wind in ...

Our national park system is gorgeous year round, but some park units are made for fall, thanks to their abundance of hardwood forests. The annual changing of the leaves is like nature’s version of ...

Venus and Earth are sometimes called twins because they’re pretty much about the same size. They also formed in the same inner part of the solar system, out of the same materials. Venus is in fact our ...