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 ...

Abstract: This study proposes a three-dimensional room transfer function (RTF) parameterization method based on multiple concentric planar circular arrays, which exhibits robustness to variations in ...

Abstract: Data reduction by employing a linear transformation to map the full dimension element-level data into a dimension-reduced beamspace has received considerable attention in array processing. A ...