Optical vortices—light beams carrying orbital angular momentum (OAM)—are characterized by helical wavefronts and phase ...
In this episode, a faster and more accurate weather radar system provides instantaneous full 3D images of storm cloud activity 10km up into the sky, promising more precise weather forecasting. There's ...
2don MSN
Scientists turn 'mess' into breakthrough: Chaotic design unlocks next-generation optical devices
Researchers from the Monash University School of Physics and Astronomy have flipped a long-held assumption in optics, showing ...
Abstract: In this paper, a low-cost K-band phased array antenna is designed for LEO satellite communication. The design reduces the number of T/R components by allowing multiple elements to share a ...
Abstract: In this communication, a novel circularly polarized (CP) phased array design with low radar cross section (RCS) is proposed. On the one hand, a wideband absorber consisting of multiple-layer ...
This project simulates the 3D attitude control of a quadcopter using PID controllers in MATLAB. The simulation numerically integrates the quadcopter’s nonlinear equations of motion using the ODE45 ...
End-to-end processing chain: DL-SCH encoding → PDSCH → Precoding → CP-OFDM → CDL/TDL Channel → Receiver (timing sync, demodulation, channel estimation, decoding) with CSI feedback and HARQ ...
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