How-To Geek on MSN

A beginner's introduction to Bash parameter expansions

At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: echo "$foo" This ...
IEEE

Multibeam Transmit-Reflect-Array Antenna Using Alternating Transmission and Reflection Elements for Space–Air–Ground–Sea Integrated Network

Abstract: A bidirectional multibeam transmit-reflect-array (TRA) antenna has been proposed for the space–air–ground–sea integrated network (SAGSIN). The TRA consists of alternating transmission ...
IEEE

Inverse Reinforcement Learning for Trajectory Imitation Using Static Output Feedback Control

Abstract: This article studies the trajectory imitation control problem of linear systems suffering external disturbances and develops a data-driven static output feedback (OPFB) control-based inverse ...