Johnson manually computed flight trajectories, launch windows, and emergency return paths for NASA. She is best known for verifying the orbital calculations for John Glenn’s 1962 Friendship 7 mission.

Abstract: Beamforming is a signal processing technique to steer, shape, and focus an electromagnetic (EM) wave using an array of sensors toward a desired direction. It has been used in many ...

Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...