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IEEE Open Journal of Instrumentation and Measurement
Volume 4: 2025
Showing 1-13 of 13
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High-Accuracy Frequency Standard Comparison Technology Combining Adaptive Frequency and Lissajous Figure
Publication Year: 2025,Article Sequence Number: 1000107
To meet the requirements of high-precision measurement of time-frequency multiparameters, a high-accuracy frequency standard comparison technology combining adaptive frequency and Lissajous figure is proposed. This technology uses only one reference frequency source to realize the frequency standard comparison and frequency measurement between any frequency signals without frequency normalization....Show More
Semi-Siam: A Novel Intelligent Monitoring System With a Multibaseline Video Anomaly Detection
Publication Year: 2025,Article Sequence Number: 4500113
This article introduces a novel anomaly detector for intelligent monitoring systems, leveraging multiple assessment baselines, including conventional, frame-based, and scenario-based approaches, to enhance anomaly detection. The integration of these baselines improves detection accuracy and contextual understanding of anomalies. A key feature of the proposed methodology is the incorporation of the...Show More
Hydra-Mask-RCNN: An Adaptive HydraNet Architecture for Autonomous Aerial Vehicle Object Detection
Sara Naseri Golestani;Mahdi SadeghiBakhi;King Fai Ma;Henry Leung
Publication Year: 2025,Article Sequence Number: 5000112
Environmental monitoring is essential for understanding and mitigating the impact of human activities on the planet, as well as for developing effective strategies for sustainable development and conservation. Accurate object detection in aerial images is crucial for environmental monitoring and surveillance using autonomous aerial vehicles (AAVs). However, existing methods, including Mask R-CNN (...Show More
Enhancing Passive WiFi Device Localization Through Packet Timing Analysis
Publication Year: 2025,Article Sequence Number: 5500113
This article presents an innovative timing-based localization method aimed at determining the positions of active WiFi devices through passive reception. The method involves capturing and analyzing the timing of over-the-air WiFi packets: request-to-send (RTS), clear-to-send (CTS), data (DATA), and acknowledgment (ACK) packets exchanged between WiFi routers and clients. The accuracy of round-trip ...Show More
Ultrahigh-Performance Radio Frequency System-on-Chip Implementation of a Kalman Filter-Based High-Precision Time and Frequency Synchronization for Networked Integrated Sensing and Communication Systems
Roghayeh Ghasemi;Patrick Fenske;Tobias Koegel;Markus Hehn;Ingrid Ullmann;Martin Vossiek
Publication Year: 2025,Article Sequence Number: 5500215
The integration of radar sensing and imaging capabilities into future integrated sensing and communication (ISAC) networks enables advanced use cases, including autonomous vehicle navigation, real-time health monitoring, and smart city management. However, ultraprecise time and frequency synchronization is crucial for unlocking the full potential of such networked ISAC systems. In this article, a ...Show More
Ultrahigh-Performance Radio Frequency System-on-Chip Implementation of a Kalman Filter-Based High-Precision Time and Frequency Synchronization for Networked Integrated Sensing and Communication Systems
Roghayeh Ghasemi;Patrick Fenske;Tobias Koegel;Markus Hehn;Ingrid Ullmann;Martin Vossiek
Year: 2025 | Volume: 4
Clamshell Inductive Current Coupler for Online Cable Condition Monitoring
Samuel W. Glass;Jonathan R. Tedeschi;Muthu Elen;Mychal P. Spencer;Jiyoung Son;Leo S. Fifield
Publication Year: 2025,Article Sequence Number: 6000108
This document describes the adaptation of a clamshell inductive current coupler for online reflectometry testing (both frequency-domain reflectometry and spread spectrum time-domain reflectometry) to evaluate cable anomalies. The life span of safety-critical nuclear power plant cables is initially qualified for 40 years in accordance with IEEE 383 without additional testing. As plants extend their...Show More
Adhesion Testing of Direct-Write Printed Ink on Metallic Structural Components
Timothy L. Phero;Amey R. Khanolkar;James A. Smith;Bradley C. Benefiel;Shaun P. Evans;Michael D. McMurtrey;David Estrada;Brian J. Jaques
Publication Year: 2025,Article Sequence Number: 6000215
The successful adoption of additive manufacturing for the rapid prototyping of direct-write printed electronics requires the establishment of quantifiable metrics. These metrics should directly interrogate the fabrication quality of the device during the manufacturing process. This implies that the characterization technique should be nondestructive. One measure of fabrication performance is the a...Show More
Sensory Monitoring for Breakthrough Detection in Mobile Laser Cutting of Various Materials in the Context of Improvised Explosive Device Disposal
Emre Ünal;Matthias Muhr;Dominik Wild;Cathrin Theiss;Moritz Schumacher;Gerhard Holl;Peter Kaul
Publication Year: 2025,Article Sequence Number: 6000310
Unattended luggage or containers in public areas, such as railway stations and buildings, like airports, may trigger bomb disposal operations. While these instances frequently involve harmless forgotten bags, they can also signal the presence of unconventional explosives and incendiary devices, which may include chemical, biological, radiological, nuclear, and explosive (CBRNe) elements. Research ...Show More
High-Volume OTA Production Testing of Millimeter-Wave Antenna-in-Package Modules
Publication Year: 2025,Article Sequence Number: 8000115
This article discusses challenges and methods for production-level over-the-air (OTA) test of antenna-in-package (AiP) modules comprising antenna arrays operating at millimeter-wave frequencies. Starting with the requirements of testing specific properties of AiP modules, characteristics of far-field tests as well as different kinds of near-field tests are presented. Considering the constraints of...Show More
Microwave Reflectometry for Online Monitoring of Metal Powder Used in Laser Powder Bed Fusion Additive Manufacturing
Publication Year: 2025,Article Sequence Number: 8000204
This study presents the results of using a millimeter-wave reflectometer system, operating at 150 GHz, for demonstrating the basic efficacy of measuring electromagnetic scattering of metal powder used in laser powder bed fusion (LPBF) additive manufacturing (AM). Metal spatter (spatial) properties—particles ejected during laser interaction with metal powder—are potential indicators of process devi...Show More
Distance Conversion Factors for In Situ H-Field Emissions Tests
Jordi Solé-Lloveras;Yasutoshi Yoshioka;Manuel Añón-Cancela;Thilo Kootz;Ferran Silva;Marco A. Azpúrua
Publication Year: 2025,Article Sequence Number: 9000110
This article derives and validates a set of distance conversion factors for the magnetic field emissions limits in the frequency range from 9 kHz to 30 MHz, which are intended to be proposed for their inclusion in new electromagnetic compatibility standards. Simulation models based on loop-type electromagnetic field sources are employed to evaluate, using the method of moments, the changes in the ...Show More
Device-Free Human Activity Recognition: A Systematic Literature Review
Majid Ghosian Moghaddam;Ali Asghar Nazari Shirehjini;Shervin Shirmohammadi
Publication Year: 2025,Article Sequence Number: 9500134
Human activity recognition (HAR) has become a topic of interest in recent years. While device-based, object-tagged, and camera-based approaches to HAR have many advantages, device-free HAR offers new contributions to the field. Unlike device-based or object-tagged methods, it does not require users to carry sensory devices, and unlike camera-based methods, it respects privacy. Despite the signific...Show More
OJIM 2024 Reviewer List
Year: 2025 | Volume: 4
Contact Information
Editor-in-Chief
Director: Center for Nondestructive Evaluation (CNDE)
Iowa State University
Ames
USA
rzoughi@iastate.eduContact Information
Editor-in-Chief
Director: Center for Nondestructive Evaluation (CNDE)
Iowa State University
Ames
USA
rzoughi@iastate.eduIEEE Account
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