Repeating fast radio burst shows diverse activity and hints at magnetar origin

Indian astronomers have performed multi-frequency observations of a repeating fast radio burst designated FRB 20201124A.

THz spectroscopy system bypasses long-standing tradeoff between spectral and spatial resolution

Terahertz (THz) radiation, which occupies the frequency band between microwaves and infrared light, is essential in many next ...
EurekAlert!

Fast coherent-multiple-transition quantum walks in synthetic frequency dimension

Long-range couplings between lattice sites algorithmically speed up the efficiency of quantum walks. Scientists in China ...
IEEE

Affine Frequency Division Multiplexing with Subcarrier Power-Level Index Modulation for Integrated Sensing and Communications

Abstract: This study proposes an index modulation (IM) technique for affine frequency division multiplexing (AFDM) signals and examines its communication and sensing performance toward integrated ...
IEEE

Improving Light-Load Performance in Bidirectional AC–DC DAB Using Asymmetric Semivariable Frequency Modulation

Abstract: This article proposes a triangular modulation (TRM) based on asymmetrical semivariable frequency (ASVF) for a bidirectional quasi single-stage ac–dc dual-active-bridge (DAB) converter, aimed ...