Abstract: In this paper, we study the downlink precoding of spatial non-stationary (SnS) extremely large-scale multiple-input multiple-output (XL-MIMO) in the near-field channel with uniform spherical ...

Abstract: The space-time-coupled grating lobe clutter (GLC) usually exists and is difficult to handle for subarray-based phased array airborne radar, which would cause serious performance degradation ...

[IMSAI Guy] grabbed an obsolete XOR gate and tried a classic circuit to turn it into a frequency doubler. Of course, being an old part, it won’t work at very high frequencies, but the circuit is super ...

You are given an array arr of positive integers. You are also given the array queries where queries[i] = [lefti, righti]. For each query i compute the XOR of elements from lefti to righti (that is, ...

The YouTube Music app offers over 100 million songs, covers, remixes, live performances, and content that is hard to find elsewhere. Whether it’s music videos in your recommendations, viral earworms, ...

Noticed anything different on YouTube lately? Over the past few months, a limited number of users in select markets have been testing a new feature called Playables — a collection of free games you ...

You might think you’ve seen all that’s good on YouTube, but if you haven’t seen the top ten listed here, then you’re being left out of the global zeitgeist. These charts show both the most watched ...

CodeChef is a global competitive programming platform, started as an educational initiative in the year 2009. It hosts four featured contests every month (Long Challenge, CookOff, LunchTime, and ...