Metamaterials, a hot area of research today, are artificial materials engineered with resonant elements to display properties that are not found in natural materials. By organizing materials in a ...
ABSTRACT Radio wave propagation on low-altitude paths over the ocean above 2 GHz is significantly affected by negative refractivity gradients in the atmospheric surface layer, which form what is often ...
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 255, No. 1282 (Apr. 19, 1960), pp. 427-433 (7 pages) The refractive indices of several gases have been ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results