If you're thinking the road to retirement may take longer than you expected, you're not alone. According to a Transamerica Center study, nearly half (48%) of U.S. workers say they expect a "phased ...

Abstract: The construction of time-invariant spatial-focusing beampatterns (BPs) using frequency diverse arrays (FDAs) has received significant attention in recent years for secure communications.

Abstract: Based on periodic characteristic mode analysis (PCMA), a low-scattering broadband phased array with polarization-selective metasurface (PSM) is proposed. By adjusting the characteristic ...