Searched for: subject%3A%22Radar%255C%2Bmeasurement%22
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Alistarh, C. (author), Anitori, L. (author), van Rossum, W.L. (author), Podilchak, S.K. (author), Thompson, J. (author), Sellathurai, M. (author)
conference paper 2022
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Alistarh, C. (author), Anitori, L. (author), Podilchak, S.K. (author), Thompson, J. (author), Hilario, P.D. (author), Sellathurai, M. (author), Goussetis, G. (author), Lee, J. (author)
Automotive engineers are repeatedly faced with the issue of choosing radars with the best angular resolution while having reduced processing times. In this paper, a novel extrapolation method is presented to estimate the amplitudes and phases for virtual antenna elements at the receiver periphery. This method has shown to resolve two targets...
conference paper 2021
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de Jong, N.J. (author), Otten, M.P.G. (author), Cuenca, M.C. (author), Uysal, F. (author), de Wit, J.J.M. (author)
This paper investigates the benefits of multichannel processing for inverse synthetic aperture radar (ISAR) imaging. There are potential advantages of multichannel processing in radar systems, for example, improved motion estimation, clutter suppression, extraction of supporting information, such as sea wave direction and speed, and ship wake...
conference paper 2021
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van Rossum, W.L. (author), Anitori, L. (author)
In this article a novel waveform based on agile (or irregular) pulse intervals is presented as a potential approach to simultaneously resolve both range and Doppler ambiguities using a single burst in radar measurements containing very far away and/or very fast targets. The paper shows that, the combination of irregularly spaced transmitted...
conference paper 2020
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Genderen, P.V. (author), Stolp, E. (author), Heebels, G. (author)
This paper addresses the early developments that have resulted in the design and development of active electronically scanned arrays (AESA) in The Netherlands. An early type of radar measuring the position of objects in range, azimuth and elevation in three dimensions (SPS-01/MTTR) is described in some detail. Requirements of the Royal...
conference paper 2019
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de Wit, J.J.M. (author), van Rossum, W.L. (author)
A sensor network has been developed consisting of four RF nodes that automatically set up a network organization and synchronize wirelessly. In the system bistatic backscatter and forward scatter radar measurements are combined. For detection of small and slow targets, like humans, suppression of the background including the direct signals...
conference paper 2018
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van Rossum, W.L. (author), Anitori, L. (author), van Dorp, P. (author), de Wit, J.J.M. (author), Harmanny, R.I.A. (author)
conference paper 2017
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Molchanov, P. (author), Harmanny, R.I.A. (author), de Wit, J.J.M. (author), Egiazarian, K. (author), Astola, J. (author)
The popularity of small unmanned aerial vehicles (UAVs) is increasing. Therefore, the importance of security systems able to detect and classify them is increasing as well. In this paper, we propose a new approach for UAVs classification using continuous wave radar or high pulse repetition frequency (PRF) pulse radars. We consider all steps of...
article 2014
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Li, Y. (author), Hoogeboom, P. (author), Russchenberg, H. (author)
Fog is a significant factor affecting the public traffic because visibility is reduced to a large extent. Therefore the determination of optical visibility in fog from radar instruments has received much interest. To observe fog with radar, high frequency bands (millimeter waves) have the best option. A 35 GHz cloud radar at the Cabauw...
conference paper 2014
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Li, Y. (author), Hoogeboom, P. (author), Russchenberg, H. (author)
Fog is a significant factor affecting the public traffic because visibility is reduced to a large extent. Therefore the determination of optical visibility in fog from radar instruments has received much interest. To observe fog with radar, high frequency bands (millimeter waves) have the best option. A 35 GHz cloud radar at the Cabauw...
conference paper 2014
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Anitori, L. (author), Maleki, A. (author), Otten, M.P.G. (author), Baraniuk, R.G. (author), Hoogeboom, P. (author)
We consider the problem of target detection from a set of Compressed Sensing (CS) radar measurements corrupted by additive white Gaussian noise. We propose two novel architectures and compare their performance by means of Receiver Operating Characteristic (ROC) curves. Using asymptotic arguments and the Complex Approximate Message Passing (CAMP)...
article 2013
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Anitori, L. (author), Otten, M.P.G. (author), van Rossum, W.L. (author), Maleki, A. (author), Baraniuk, R. (author)
In this paper we develop the first Compressive Sensing (CS) adaptive radar detector. We propose three novel architectures and demonstrate how a classical Constant False Alarm Rate (CFAR) detector can be combined with ℓ1-norm minimization. Using asymptotic arguments and the Complex Approximate Message Passing (CAMP) algorithm we characterize the...
conference paper 2012
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Saenz, E. (author), Rolo, L. (author), Paquay, M. (author), Gerini, G. (author), de Maagt, P. (author)
In this paper the material characterization at sub-millimetre wave frequencies facility recently developed at the European Space Research and Technology Centre (ESA-ESTEC) to complement existing antenna ranges is presented. By means of a Quasi Optical test bench, transmission/reflection measurements from 50 to 500 GHz are performed. Complex...
conference paper 2011
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van Dorp, Ph. (author), Groen, F.C.A. (author), TNO Defensie en Veiligheid (author)
Human motion estimation is an important issue in automotive, security or home automation applications. Radar systems are well suited for this because they are robust, are independent of day or night conditions and have accurate range and speed domain. The human response in a radar range-speed-time measurement behaves like an extended target...
article 2010
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Miorali, M. (author), Slob, E.C. (author), Arts, R.J. (author), TNO Bouw en Ondergrond (author)
A technique capable of capturing the dynamic of the reservoir fluids in the proximity of production wells would provide enormous benefit to the reservoir management; in fact, monitoring can be used to develop a feedback loop between measurements and control technologies to optimize the production. This paper examines the feasibility of a...
conference paper 2009
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Smith, A.J.E. (author), Gelsema, S.J. (author), Kester, L.J.H.M. (author), Melief, H.W. (author), Premel Cabic, G. (author), Theil, A. (author), Woudenberg, E. (author), TNO Fysisch en Elektronisch Laboratorium (author)
Doppler polarimetry in a surveillance radar for the maritime surface picture is considered. This radar must be able to detect low-RCS targets in littoral environments. Measurements on such targets have been conducted with a coherent polarimetric measurement radar in March 2001 and preliminary results from that campaign are presented. The system...
conference paper 2002
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van Overmeeren, R.A. (author), Nederlands Instituut voor Toegepaste Geowetenschappen TNO (author)
Since 1990, The Netherlands Institute of Applied Geoscience TNO has been carrying out ground penetrating radar (GPR) measurements to assess the potential for imaging and characterising different hydrogeological targets in more than 30 pilot areas in The Netherlands. The experience gained by processing this large amount of radar data has enabled...
article 1998
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van Halsema, D. (author), van der Kooij, M.W.A. (author), TNO Fysisch en Elektronisch Laboratorium (author)
The potential of satelliteborne interferometric measurements for the mapping of slow land subsidence has been investigated. Two test sites, covered by the E,RS-1 satellite, were selected in the Netherlands: the provinces of Groningen and Zeeland. In situ measurements on the weather and the actual subsidence were gathered. It will be shown that...
conference paper 1996
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Hoogeboom, P. (author)
For the past few years an accurate X-band SLAR system with digital recording has been available in The Netherlands. The images of this system are corrected to indicate radar backscatter coefficients (gamma) instead of arbitrary greytones. In 1980 a radar measurement campaign was organized in the Flevopolder area. Ground-based measurements were...
article 1983
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