Abstract: A fully digital antenna array is developed and experimentally tested for beamforming, null generation, and in-band full duplex (IBFD) retrodirective beam-steering. The supporting S-band ...

Abstract: In this paper, a novel two-way pattern synthesis method for lowering two-way sum and difference patterns' sidelobe level (SLL) is proposed using the symmetric uniform transmit and receive ...

Spot the difference puzzles are a fun and relaxing way to spend your leisure time while it gives your brain a little workout. At first glance, the two images that are presented in front of you might ...

Spot the difference puzzles are a fun and relaxing way to spend your leisure time while it gives your brain a little workout. At first glance, the two images that are presented in front of you might ...

This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...