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We propose two concepts for the significant improvement of surface current mapping with bistatic oceanographic High-Frequency Radars. These ameliorations pertain to the azimuthal processing of radar data with linear or quasi-linear antenna…

Signal Processing · Electrical Eng. & Systems 2020-05-22 Dylan Dumas , Charles-Antoine Guérin

In \citet{Guillemot2023} we presented a new method for calibrating pulsar observations conducted with the Nan\c{c}ay decimetric Radio Telescope (NRT), which significantly improved NRT polarimetric measurements and pulsar timing quality for…

High Energy Astrophysical Phenomena · Physics 2025-07-16 Lucas Guillemot , Willem van Straten , Ismaël Cognard , Aurélien Chalumeau , Gilles Theureau , Éric Gérard

The use of amateur drones (ADrs) is expected to significantly increase over the upcoming years. However, regulations do not allow such drones to fly over all areas, in addition to typical altitude limitations. As a result, there is an…

Networking and Internet Architecture · Computer Science 2018-01-29 Mohammad Mahdi Azari , Hazem Sallouha , Alessandro Chiumento , Sreeraj Rajendran , Evgenii Vinogradov , Sofie Pollin

The offshore wind energy is increasingly becoming an attractive source of energy due to having lower environmental impact. Effective operation and maintenance that ensures the maximum availability of the energy generation process using…

Artificial Intelligence · Computer Science 2022-11-28 Sohag Kabir , Koorosh Aslansefat , Prosanta Gope , Felician Campean , Yiannis Papadopoulos

Ultra-Wideband (UWB) systems are becoming increasingly popular for indoor localization, where range measurements are obtained by measuring the time-of-flight of radio signals. However, the range measurements typically suffer from a…

We have developed a method of animal localisation that detects the angle from a sensor towards the direction of an animal call. The method is as simple to use as deploying a conventional static sound recorder, but provides tracking…

Populations and Evolution · Quantitative Biology 2020-01-22 David Wallis , Morten Elmeros

Recently, there have been numerous advances in the development of biologically inspired lightweight Micro Aerial Vehicles (MAVs). While autonomous navigation is fairly straight-forward for large UAVs as expensive sensors and monitoring…

Mobile robot platforms are increasingly being used to automate information gathering tasks such as environmental monitoring. Efficient target tracking in dynamic environments is critical for applications such as search and rescue and…

Robotics · Computer Science 2026-01-07 Sanjeev Ramkumar Sudha , Marija Popović , Erlend M. Coates

In recent years, there has been a growing interest in using networks of Unmanned Aerial Vehicles (UAV) that collectively perform complex tasks for diverse applications. An important challenge in realizing UAV networks is the need for a…

Systems and Control · Computer Science 2017-11-01 Abolfazl Razi , Fatemeh Afghah , Jacob Chakareski

The climatic challenges are rising across the globe in general and in worst hit under-developed countries in particular. The need for accurate measurements and forecasting of pollutants with low-cost deployment is more pertinent today than…

Machine Learning · Computer Science 2021-04-27 Yousuf Hashmy , ZillUllah Khan , Rehan Hafiz , Usman Younis , Tausif Tauqeer

Climate change is a major driver of biodiversity loss, changing the geographic range and abundance of many species. However, there remain significant knowledge gaps about the distribution of species, due principally to the amount of effort…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Mélisande Teng , Amna Elmustafa , Benjamin Akera , Hugo Larochelle , David Rolnick

Accurate calibration of sensor extrinsic parameters for ground robotic systems (i.e., relative poses) is crucial for ensuring spatial alignment and achieving high-performance perception. However, existing calibration methods typically…

Robotics · Computer Science 2025-06-17 Jiang Wang , Yaozhong Kang , Linya Fu , Kazuhiro Nakadai , He Kong

The demand for accurate and fast trajectory tracking for multirotor Unmanned Aerial Vehicles (UAVs) have grown recently due to advances in UAV avionics technology and application domains. In many applications, the multirotor UAV is required…

Robotics · Computer Science 2021-10-12 Abdulaziz Y. Alkayas , Mohamad Chehadeh , Abdulla Ayyad , Yahya Zweiri

Monitoring crop fields to map features like weeds can be efficiently performed with unmanned aerial vehicles (UAVs) that can cover large areas in a short time due to their privileged perspective and motion speed. However, the need for…

Empirical path loss models are defined for a specific antenna system used during measurements and characterized by a particular radiation pattern and main lobe beam width. In this paper, we propose a novel approach to modifying such a model…

Ensuring reliable and seamless wireless connectivity for unmanned aerial vehicles (UAVs) has emerged as a critical requirement for a wide range of applications. The increasing deployment of UAVs has increased the significance of…

Signal Processing · Electrical Eng. & Systems 2023-10-04 Sung Joon Maeng , Hyeokjun Kwon , Ozgur Ozdemir , İsmail Güvenç

Ensuring reliable and low-latency communication in offshore wind farms is critical for efficient monitoring and control, yet remains challenging due to the harsh environment and lack of infrastructure. This paper investigates a flying base…

Signal Processing · Electrical Eng. & Systems 2025-07-11 Xinyi Lin , Peizheng Li , Adnan Aijaz

Radar odometry estimation has emerged as a critical technique in the field of autonomous navigation, providing robust and reliable motion estimation under various environmental conditions. Despite its potential, the complex nature of radar…

Robotics · Computer Science 2024-04-08 Matteo Frosi , Mirko Usuelli , Matteo Matteucci

The visual detection and tracking of surface terrain is required for spacecraft to safely land on or navigate within close proximity to celestial objects. Current approaches rely on template matching with pre-gathered patch-based features,…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Timothy Chase , Karthik Dantu

The US weather radar archive holds detailed information about biological phenomena in the atmosphere over the last 20 years. Communally roosting birds congregate in large numbers at nighttime roosting locations, and their morning exodus…

Computer Vision and Pattern Recognition · Computer Science 2020-04-28 Zezhou Cheng , Saadia Gabriel , Pankaj Bhambhani , Daniel Sheldon , Subhransu Maji , Andrew Laughlin , David Winkler