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 ...

This approach iterates directly over values (for num in nums) instead of using the right index. Expands the window implicitly with each new num. Shrinks by moving left only when the condition is ...

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 ...

The HBR Playbook on overcoming change fatigue and positioning your people for agility. by Ania W. Masinter The amount and pace of organizational change today is staggering. Gartner research found that ...

Given an integer array nums and an integer k, return true if nums has a good subarray or false otherwise. A good subarray is a subarray where: its length is at least two, and the sum of the elements ...

While Pablo Picasso was much better known for his artistic skills than his business acumen, one of his well-known quotes provides a valuable warning for corporate leaders: “Success is dangerous.” ...

Historically, pharmaceutical products have been produced in a traditional ‘batch’ system, in which every operation is executed separately using a defined quantity of materials. In batch manufacturing ...

If you aspire to be a software engineer for a tech giant or big bank, you first must pass a coding test. To practice for such technical interviews, millions of job candidates turn to LeetCode, a test ...