Publications
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Radar networks : a review of features and challenges Ghent University
Multipath Ghost Recognition for Indoor MIMO Radar KU Leuven Vrije Universiteit Brussel
Since World War II, Radars have gone a long way from bulky and expensive military/space radars to miniaturized radars for various applications in the consumer, automotive and smart environments domains. The trend over the last decade has been to move to millimeter wave, supported by the constant improvement in semiconductor technology and supported by a strong demand in the automotive domain. IMEC started several years ago the development of ...
Principles of biological echolocation applied to radar sensing: applying biomimetic sensors to achieve autonomous navigation University of Antwerp
This article introduces the application of principles from biological echolocation to radar sensing. A novel biomimetic radar sensor is presented whose features are based on the relevant morphology of a bat. Signal properties accessible to bats as well as biologically feasible processing techniques are discussed, and we show how they translate to the domain of pulseecho radar. We demonstrate that by applying these techniques, our radar system ...
Biologically-inspired radar sensing for robotic perception, navigation and SLAM University of Antwerp
Bats demonstrate that advanced interaction with the environment is possible through echolocation, performing activities such as moving between roost and foraging grounds, recognizing specific plants, and capturing prey in the air. For this purpose, they use a highly constrained sensing mechanism, namely emitting and receiving sounds through their mouth and two ears. The timing, intensity and spectral variations embedded in the echoes provide ...
CMOS mm-Wave Frequency Synthesis for Communication and Radar Systems Vrije Universiteit Brussel
This PhD thesis focuses on the frequency synthesis blocks for millimeter wave applications including the 60GHz IEEE 802.11ad high-speed wireless communications and the 79GHz PMCW radar. The thesis starts with the co-simulation of the digital baseband signal processing and the analog phase-locked-loop (PLL) to derive the optimal PLL bandwidth. Thanks to the common frequency offset removal technique in the digital domain, a narrow bandwidth PLL ...
Improving the Accuracy of Spiking Neural Networks for Radar Gesture Recognition Through Preprocessing KU Leuven
Event-based neural networks are currently being explored as efficient solutions for performing AI tasks at the extreme edge. To fully exploit their potential, event-based neural networks coupled to adequate preprocessing must be investigated. Within this context, we demonstrate a 4-b-weight spiking neural network (SNN) for radar gesture recognition, achieving a state-of-the-art 93% accuracy within only four processing time steps while using only ...
Simulation and Detection Performance Evaluation of a UAV-mounted Passive Radar KU Leuven
© 2018 IEEE. This paper presents the concept of an UAV-mounted passive radar. Since the radar has no active transmitter and uses signals transmitted by illuminators of opportunity (IOO), it is a low cost, lightweight, low-power consuming solution perfectly fitting for mobile applications, especially for mounting on a UAV. Moreover, it does not require supplemental frequency allocation and creates no additional interference to existing wireless ...
bioRad: biological analysis and visualization of weather radar data Research Institute for Nature and Forest
Weather surveillance radars are increasingly used for monitoring the movements and abundances of animals in the airspace. However, analysis of weather radar data remains a specialised task that can be technically challenging. Major hurdles are the difficulty of accessing and visualising radar data on a software platform familiar to ecologists and biologists, processing the low‐level data into products that are biologically meaningful, and ...
Simulation of pulse-echo radar for vehicle vontrol and SLAM University of Antwerp
Pulse-echo sensing is the driving principle behind biological echolocation as well as biologically-inspired sonar and radar sensors. In biological echolocation, a single emitter sends a self-generated pulse into the environment which reflects off objects. A fraction of these reflections are captured by two receivers as echoes, from which information about the objects, such as their position in 3D space, can be deduced by means of timing, ...