The 714,566 hectare site comprises two distinct parts: the dormant volcanic Pinacate Shield of black and red lava flows and desert pavements to the east, and, in the west, the Gran Altar Desert with ...

Abstract: This study proposes a three-dimensional room transfer function (RTF) parameterization method based on multiple concentric planar circular arrays, which exhibits robustness to variations in ...

These guides will help you find your way around several generations of Microsoft’s Office apps for Windows — and Windows itself. Need to get up to speed on the latest features in Excel? Wrestling with ...

Abstract: In this letter, a high gain omnidirectional antenna with low gain ripple and a uniformly distributed sparse circular-ring phased array antenna (SCPAA) with a prime number of elements are ...