Google has overhauled Firestore’s query engine, introducing "Pipeline operations" that enable complex server-side aggregations and array unnesting. The update shifts Firestore Enterprise toward an ...

Build your Java skills from the ground up by working on simple tasks and beginner-friendly projects. Challenge yourself with more complex Java problems, including those focused on multithreading and ...

Abstract: Coprime arrays achieve a larger virtual array aperture with the same number of physical elements through their difference co-array. However, the improvement in degrees of freedom (DOF) is ...

Method references are a shorthand way to write lambda expressions that call a single method. Rather than implementing a method in a functional interface, a method reference simply points to an ...

The proposed high-precision fast direction-of-arrival estimation method for planar array includes two steps, and the expression of the result includes two items: 1) a 2-stage grid search approach over ...

Abstract: In this article, a novel design method for wide-angle beam-scanning phased arrays is investigated. Different from the traditional method that focuses on widebeam antenna element, this novel ...