Global Navigation Satellite Systems (GNSS), including GPS, GLONASS, Galileo, and BeiDou, have become indispensable for a wide range of applications such as navigation, surveying, and timing ...

Espressif Systems’ EchoEar is a compact ESP32-S3 AI chatbot designed for voice interaction and edge AI applications, for smart toys, voice-enabled speakers, and control systems. It features a ...

Abstract: Due to the excellent directivity and strong beam steering capabilities, circular concentric array antenna (CCAA) are frequently preferred over large circular array antennas. In contrast to ...

From wound healing to organ development, cells rely on biomechanical signals to navigate their environment, coordinate behavior, and maintain function. Yet, understanding how cells interpret these ...

School of Electronic Engineering, Xi’an University of Posts and Telecommunications, Xi’an 710121, China ...

Electrical and Computer Engineering, University of Virginia, Charlottesville, Virginia 22904, United States Chemistry, University of Virginia, Charlottesville, Virginia 22904, United States ...

ABSTRACT: The development of space telecommunications in recent years has necessitated the design and the realization of compact, high-performance equipment operating at increasingly high frequencies.

Abstract: Two-dimensional (2-D) direction of arrival (DOA) estimation with a circular array based on the difference co-array has attracted considerable attention in past years. In this paper, the ...