Results 1 to 10 of about 693,064 (193)

Clutter Effect Investigation on Co-Polarized Chipless RFID Tags and Mitigation Using Cross-Polarized Tags, Analytical Model, Simulation, and Measurement

open access: yesSensors, 2023
Chipless radio frequency identification (RFID) technology is expected to replace barcode technology due to its ability to read in non-line-of-sight (NLOS) situations, long reading range, and low cost.
Jahangir Alam   +4 more
doaj   +1 more source

PSENet-based efficient scene text detection

open access: yesEURASIP Journal on Advances in Signal Processing, 2021
Text detection is a key technique and plays an important role in computer vision applications, but efficient and precise text detection is still challenging.
Guanglong Liao   +4 more
doaj   +1 more source

Object Recognition in High-Resolution Indoor THz SAR Mapped Environment

open access: yesSensors, 2022
Synthetic aperture radar (SAR) at the terahertz (THz) spectrum has emerging short-range applications. In comparison to the microwave spectrum, the THz spectrum is limited in propagation range but benefits from high spatial resolution.
Aman Batra   +5 more
doaj   +1 more source

A Mathematical Framework, Simulation, and Measurement of Harmonic Identification Systems

open access: yesIEEE Access, 2023
The main focus of this research paper is to develop a realistic mathematical framework to accurately characterize the performance of the harmonic identification system.
Jahangir Alam   +5 more
doaj   +1 more source

Teaching Digital Signal Processing by Partial Flipping, Active Learning and Visualization [PDF]

open access: yesIEEE Signal Processing Magazine, 38(3), pp. 20-29, May 2021, 2021
Effectiveness of teaching digital signal processing can be enhanced by reducing lecture time devoted to theory, and increasing emphasis on applications, programming aspects, visualization and intuitive understanding. An integrated approach to teaching requires instructors to simultaneously teach theory and its applications in storage and processing of ...
arxiv   +1 more source

Towards Goal-Oriented Semantic Signal Processing: Applications and Future Challenges [PDF]

open access: yesDigital Signal Processing, 2021, 103134. ISSN 1051-2004, 2021
Advances in machine learning technology have enabled real-time extraction of semantic information in signals which can revolutionize signal processing techniques and improve their performance significantly for the next generation of applications. With the objective of a concrete representation and efficient processing of the semantic information, we ...
arxiv   +1 more source

Residual feedback suppression with extended model-based postfilters

open access: yesEURASIP Journal on Audio, Speech, and Music Processing, 2021
When designing closed-loop electro-acoustic systems, which can commonly be found in hearing aids or public address systems, the most challenging task is canceling and/or suppressing the feedback caused by the acoustic coupling of the transducers of such ...
Marco Gimm   +2 more
doaj   +1 more source

Millimeter-Wave Retro-Directive Frequency Coded Lens by Curved One-Dimensional Photonic Crystal Resonator

open access: yesIEEE Access, 2022
Innovating passive and chipless coded landmarks have recently emerged for high accuracy self-localization systems. Existing landmarks make use of the combination of retro-directive devices, corner reflectors and lenses, with a coding particle in order to
Ali Alhaj Abbas   +3 more
doaj   +1 more source

Indoor Large-Scale MIMO-Based RSSI Localization with Low-Complexity RFID Infrastructure

open access: yesSensors, 2020
Indoor localization based on unsynchronized, low-complexity, passive radio frequency identification (RFID) using the received signal strength indicator (RSSI) has a wide potential for a variety of internet of things (IoTs) applications due to their ...
Mohammed El-Absi   +5 more
doaj   +1 more source

Adaptive coverage control for multi-USV system in complex environment with unknown obstacles

open access: yesInternational Journal of Distributed Sensor Networks, 2021
Aiming at the shortcomings of the existing control law based on the global information, this article studies the coverage problem of a given region in the plane using a team of USVs.
Yao Yao   +6 more
doaj   +1 more source

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