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View article: SVNC-Net: An optimized U-Net variant with 2D convolutions for lightweight 3D spleen segmentation
SVNC-Net: An optimized U-Net variant with 2D convolutions for lightweight 3D spleen segmentation Open
Accurate measurement of spleen volume is essential for the diagnosis of splenomegaly. While Computed Tomography (CT) is among the most reliable imaging modalities for this task, manual segmentation of the spleen is labor-intensive and impr…
View article: On the Design of a Manufacturable Radome for Monostatic RCS Reduction for Airborne Platforms: Practical Implications of Frequency-Selective Surfaces
On the Design of a Manufacturable Radome for Monostatic RCS Reduction for Airborne Platforms: Practical Implications of Frequency-Selective Surfaces Open
Reducing the radar cross section (RCS) of airborne platforms is essential for stealth and survivability in modern defense systems. Frequency-selective surfaces (FSSs) offer band-specific transmission and reflection characteristics. Thus, t…
View article: Feeding Analysis of a 79 GHz Phased Microstrip Antenna Array for Autonomous Vehicle Radar Applications
Feeding Analysis of a 79 GHz Phased Microstrip Antenna Array for Autonomous Vehicle Radar Applications Open
Automotive radar is known as a promising sensing technology in autonomous vehicles due to its reliability. In current autonomous vehicles, the 77 – 81 GHz frequency band is the principal operating band for automotive radars. For the effici…
View article: W-Band RCS Prediction of Small Objects: Comparing Two Widely Used Methods with Experimental Validation
W-Band RCS Prediction of Small Objects: Comparing Two Widely Used Methods with Experimental Validation Open
This paper compares the accuracy of Shooting and Bouncing Rays and Electric Field Integral Equation methods for Radar Cross Section prediction of small objects at 77-81 GHz band. Existing studies on RCS prediction methods often lack compre…
View article: Millimeter-Wave SAR Imaging for Sub-Millimeter Defect Detection with Non-Destructive Testing
Millimeter-Wave SAR Imaging for Sub-Millimeter Defect Detection with Non-Destructive Testing Open
This paper introduces a high-resolution 77–81 GHz mmWave Synthetic Aperture Radar (SAR) imaging methodology integrating low-cost hardware with modified radar signal characteristics specifically for NDT applications. The system is optimized…
View article: Countermeasuring Anti-Ship Missiles for Surface Naval Platforms: A Machine Learning Approach With Explainable Artificial Intelligence
Countermeasuring Anti-Ship Missiles for Surface Naval Platforms: A Machine Learning Approach With Explainable Artificial Intelligence Open
Considering the advancements in missile technologies, particularly in infrared or radio frequency-guided missile seeker systems, threats to naval platforms have become a significant danger today. Potential missile threats have made it impe…
View article: Design and Empirical Validation of a Low-Cost Outdoor mmWave Altimetry Test Bench for UAS
Design and Empirical Validation of a Low-Cost Outdoor mmWave Altimetry Test Bench for UAS Open
The increasing adoption of unmanned aerial systems (UAS) in diverse urban applications necessitates reliable and precise altimetry solutions for situational awareness and landing safety. Despite significant advancements in the realm of wav…
View article: Performance Improvement of Energy Criterion Method Based on the Instantaneous Phase Characteristics in Wi-Fi Transient Detection for RF Fingerprinting
Performance Improvement of Energy Criterion Method Based on the Instantaneous Phase Characteristics in Wi-Fi Transient Detection for RF Fingerprinting Open
Transient detection is recognized as a crucial component in Radio Frequency Fingerprinting (RFF) systems, particularly in transient-based approaches. Many existing algorithms rely on prior knowledge of signal behavior, which constrains the…
View article: Real-Time Radar Classification Based on Software-Defined Radio Platforms: Enhancing Processing Speed and Accuracy with Graphics Processing Unit Acceleration
Real-Time Radar Classification Based on Software-Defined Radio Platforms: Enhancing Processing Speed and Accuracy with Graphics Processing Unit Acceleration Open
This paper presents a comprehensive evaluation of real-time radar classification using software-defined radio (SDR) platforms. The transition from analog to digital technologies, facilitated by SDR, has revolutionized radio systems, offeri…
View article: Evaluating the Educational Effectiveness of Radar Systems Laboratory Sessions in the Undergraduate Curriculum
Evaluating the Educational Effectiveness of Radar Systems Laboratory Sessions in the Undergraduate Curriculum Open
Introductory courses regarding radar technologies are very popular in the undergraduate curriculum of many electrical and electronics engineering departments. Hands-on experience is an essential part for understanding the theoretical conce…
View article: Drone Swarm Classification from ISAR Imaging
Drone Swarm Classification from ISAR Imaging Open
In today's technology, the use of drones has become very popular for they can be easily purchased over the Internet and can be easily developed. With drones that have wide usage areas, swarm structures have become popular. However, this ha…
View article: Dynamic RCS Modeling and Aspect Angle Analysis for Highly Maneuverable UAVs
Dynamic RCS Modeling and Aspect Angle Analysis for Highly Maneuverable UAVs Open
Unmanned aerial vehicles (UAVs) are increasingly significant in modern warfare due to their versatility and capacity to perform high-risk missions without risking human lives. Beyond surveillance and reconnaissance, UAVs with jet propulsio…
View article: Conformal Frequency Selective Surfaces in Radome Design: A Mini Review
Conformal Frequency Selective Surfaces in Radome Design: A Mini Review Open
In aerospace engineering, radomes play an important role in protecting antenna systems from external interference and minimizing air resistance during flight. However, traditional radomes often fall short of providing the electromagnetic f…
View article: Comparative assessment and performance analysis of interference mitigation techniques for co‐existent non‐geostationary and geostationary satellites
Comparative assessment and performance analysis of interference mitigation techniques for co‐existent non‐geostationary and geostationary satellites Open
Summary In recent years, technological developments with user demands, reduced production, and launch costs have rapidly increased the number of Low Earth Orbit (LEO) satellites in space. Since LEO satellites use the same frequency band as…
View article: Evaluating the Educational Effectiveness of Radar Systems Laboratory Sessions in the Undergraduate Curriculum
Evaluating the Educational Effectiveness of Radar Systems Laboratory Sessions in the Undergraduate Curriculum Open
Introductory courses regarding radar technologies are very popular in undergraduate curriculum of many electrical and electronics engineering departments. Hands-on experience is an essential part for understanding the theoretical concepts …
View article: Advancing mmWave Altimetry for Unmanned Aerial Systems: A Signal Processing Framework for Optimized Waveform Design
Advancing mmWave Altimetry for Unmanned Aerial Systems: A Signal Processing Framework for Optimized Waveform Design Open
This research advances millimeter-wave (mmWave) altimetry for unmanned aerial systems (UASs) by optimizing performance metrics within the constraints of inexpensive automotive radars. Leveraging the software-defined architecture, this stud…
View article: The Fast and Reliable Detection of Multiple Narrowband FH Signals: A Practical Framework
The Fast and Reliable Detection of Multiple Narrowband FH Signals: A Practical Framework Open
Frequency hopping (FH) is a well-known technique that is commonly used in communication systems owing to its many advantages, including its strong anti-jamming capability. In this technique, basically, radio signals are transmitted by swit…
View article: Frekans Atlamalı Sinyallerin Tespiti ve Parametre Kestirimine Genel Bir Bakış: Son Gelişmeler ve Zorluklar
Frekans Atlamalı Sinyallerin Tespiti ve Parametre Kestirimine Genel Bir Bakış: Son Gelişmeler ve Zorluklar Open
Frequency hopping spread spectrum (FHSS) or simply frequency hopping (FA) is a common communication method that changes the carrier frequency. Frequency hopping communication method is widely used for secure communication link due to its v…
View article: A Complementary Overview and Challenges in Radar Cross Section Modeling of Phased Array Antennas
A Complementary Overview and Challenges in Radar Cross Section Modeling of Phased Array Antennas Open
The radar cross-section (RCS) is a critical factor in the design and performance of modern airborne weapon systems. These systems utilize phased array antennas due to their low profile, advanced beamforming, and angle measurement capabilit…
View article: 2D Millimeter-Wave SAR Imaging with Automotive Radar
2D Millimeter-Wave SAR Imaging with Automotive Radar Open
In recent years, millimeter wave (mmWave) frequency modulated continuous wave (FMCW) radars have gained popularity in radar imaging applications, coinciding with the advancement of mmWave technology. However, high cost and integration comp…
View article: A Radio Frequency Fingerprinting-Based Aircraft Identification Method Using ADS-B Transmissions
A Radio Frequency Fingerprinting-Based Aircraft Identification Method Using ADS-B Transmissions Open
The automatic dependent surveillance broadcast (ADS-B) system is one of the key components of the next generation air transportation system (NextGen). ADS-B messages are transmitted in unencrypted plain text. This, however, causes signific…
View article: Towards mmWave Altimetry for UAS: Exploring the Potential of 77 GHz Automotive Radars
Towards mmWave Altimetry for UAS: Exploring the Potential of 77 GHz Automotive Radars Open
Precise altitude data are indispensable for flight navigation, particularly during the autonomous landing of unmanned aerial systems (UASs). Conventional light and barometric sensors employed for altitude estimation are limited by poor vis…
View article: A Simplified Method Based on RSSI Fingerprinting for IoT Device Localization in Smart Cities
A Simplified Method Based on RSSI Fingerprinting for IoT Device Localization in Smart Cities Open
The Internet of Things (IoT) has significantly improved location-based services in smart cities, such as automated public transportation and traffic management. Estimating the location of connected devices is a critical problem. Low Power …
View article: Radar Emitter Localization Based on Multipath Exploitation Using Machine Learning
Radar Emitter Localization Based on Multipath Exploitation Using Machine Learning Open
In this study, a Machine Learning (ML)-based approach is proposed to enhance the computational efficiency of a particular method that was previously proposed by the authors for passive localization of radar emitters based on multipath expl…
View article: Deployment and Implementation Aspects of Radio Frequency Fingerprinting in Cybersecurity of Smart Grids
Deployment and Implementation Aspects of Radio Frequency Fingerprinting in Cybersecurity of Smart Grids Open
Smart grids incorporate diverse power equipment used for energy optimization in intelligent cities. This equipment may use Internet of Things (IoT) devices and services in the future. To ensure stable operation of smart grids, cybersecurit…
View article: A Mini-Review on SDR Based Radar Classification System: Recent Advances and Challenges
A Mini-Review on SDR Based Radar Classification System: Recent Advances and Challenges Open
The shift from analog to digital technologies has transformed radio systems, and Software Defined Radio (SDR) has introduced unparalleled flexibility and adaptability by executing operations through software-based approaches. In recent tim…
View article: Convolutional Neural Network-Based Vehicle Classification in Low-Quality Imaging Conditions for Internet of Things Devices
Convolutional Neural Network-Based Vehicle Classification in Low-Quality Imaging Conditions for Internet of Things Devices Open
Vehicle classification has an important role in the efficient implementation of Internet of Things (IoT)-based intelligent transportation system (ITS) applications. Nowadays, because of their higher performance, convolutional neural networ…
View article: A Dataset Containing Tiny Vehicle Images Collected in Low Quality Imaging Conditions
A Dataset Containing Tiny Vehicle Images Collected in Low Quality Imaging Conditions Open
This dataset contains 4800 tiny and low resolution vehicle images collected in low lighting and different weather conditions. The vehicles in the images are grouped in six classes: Bike, Car, Juggernaut, Minibus, Pickup, and Truck. For eac…
View article: A Dataset Containing Tiny Vehicle Images Collected in Low Quality Imaging Conditions
A Dataset Containing Tiny Vehicle Images Collected in Low Quality Imaging Conditions Open
This dataset contains 4800 tiny and low resolution vehicle images collected in low lighting and different weather conditions. The vehicles in the images are grouped in six classes: Bike, Car, Juggernaut, Minibus, Pickup, and Truck. For eac…
View article: A Hybrid-Flipped Classroom Approach: Students’ Perception and Performance Assessment
A Hybrid-Flipped Classroom Approach: Students’ Perception and Performance Assessment Open
This study presents an improved hybrid-flipped classroom (hybrid-FC) education method based on technology-enhanced learning (TEL) along with diluted classes for a course on probability and random processes in engineering. The proposed syst…