Qun Wu

TL;DR: An improved estimation of signal parameters via rotational invariance techniques (ESPRIT) algorithm using frequency scanning leaky wave antenna and the direction of arrival (DOA) can be effectively estimated by the algorithm.

TL;DR: In this article, a novel reconfigurable dual-band metamaterial antenna with a continuous beam that is electrically steered in backward to forward directions was proposed by employing a liquid crystal (LC)-loaded tunable extended composite right/left-handed (E-CRLH) transmission line.

TL;DR: In this paper, a beam switching antenna (BSA) based on a reconfigurable cascaded feeding network (RCFN) is presented, which is engineered by cascading several varactor-loaded quasi-lumped couplers (QLCs).

TL;DR: A novel two-step strategy is presented to extract the complex permittivity of the NLC at the THz band, which evaluates the relative permittivities tensor from the resonant frequencies and then determines the loss tangent from the quality factor Q of the EIT sensor.

TL;DR: In this paper, a single-layer transmission-type metasurface is proposed to generate a converged vortex beam and vortex beam with different topological charges, in which the required accumulated phase difference along the propagation path is realized by designing and arranging artificial single layer unit cells.