- document
-
Bouwmeester, W. (author), Fioranelli, F. (author), Yarovoy, Alexander (author)Incoherent backscattering of mm-waves from natural rough surfaces is considered. A novel method is proposed to determine the statistical properties of surface scattering from range profile measurements. The method is based on modeling the road surface as a grid of uncorrelated scattering elements, described by normalized scattering matrices....journal article 2024
- document
-
Krasnov, O.A. (author), Zhang, Q. (author), Yarovoy, Alexander (author)In this paper, the full calibration chain of FMCW radar with simultaneous transmission of two orthogonally polarized orthogonal waveforms is considered. Specifically for this type of polarimetric radar, compensation of signals’ biases and equalization of the amplification gains of the parallel polarimetric channels in the receiver are jointly...conference paper 2024
- document
-
Polarimetric Feature Analysis of Multi-Class Vehicles Using PARSAX Full Polarimetric FMCW Radar DataZhang, Qing (author)Nowadays, accurate vehicle classification plays a critical role in Advanced Driver Assistant Systems (ADASs), autonomous driving systems, and traffic monitoring systems. The benefits of utilizing additional polarimetric information in road target classification have been revealed in the literature. This thesis investigates the polarimetric...master thesis 2023
- document
-
Mak, Ho Yi Lydia (author)Lightning is a natural phenomena that can be dangerous to humans. It is however challenging to study thunderstorm clouds using direct observations since it can be dangerous to fly into thunderstorm clouds. In this study, cloud radar with millimeter wavelength is used to study the properties and dynamics of thunderstorm clouds. It is based on a...master thesis 2023
- document
-
Bouwmeester, W. (author), Fioranelli, F. (author), Yarovoy, Alexander (author)A novel approach based on the entropy-alpha-anisotropy decomposition, also known as the $H\alpha A$ decomposition, for the recognition of road surface conditions using automotive radar is presented. To apply the $H\alpha A$ decomposition to automotive radar data, a dedicated signal processing pipeline has been developed. To investigate its...journal article 2023
- document
-
Snel, Ralph (author), Mr. Vasilescu, B.V. (author), Di Iorio, Eugenio Iorio (author), Piron, P. (author), Loicq, J.J.D. (author), Ferrario, Ivan (author), Silvestri, Fabrizio (author)A novel method for space object identification is proposed, based on full Stokes spectropolarimetry in the visible and near-infrared wavelength range. Space objects that have been previously detected and are illuminated by the sun can be observed with a telescope to simultaneously obtain intensity, spectra, and polarimetry, and compose light...conference paper 2023
- document
-
Bouwmeester, W. (author), Fioranelli, F. (author), Yarovoy, Alexander (author)A method for extracting fully polarimetric statistical properties of road surface radar cross sections is presented. This method is subsequently applied to extract radar cross section information from an asphalt road surface. Furthermore, an approach is introduced to synthesise the scattered signal of road surface returns as measured by a radar....conference paper 2023
- document
-
Yanovsky, Felix J. (author)This paper considers generalized coherent-polarimetric method of retrieving information about remote objects using electromagnetic waves. Both active and passive electronic systems as well as different objects under observation, operating frequency bands, and physical meaning (interpretation) of the frequency as spectral argument can be used....conference paper 2022
- document
-
Iannini, L. (author), Comite, D. (author), Pierdicca, N. (author), López-Dekker, Paco (author)Bistatic scattering from rough surfaces is typically approached through the analysis of the scattered field in the conventional H and V polarization basis, which coincides with the zenith and azimuth unit vectors in a spherical reference frame. This study delves into the impacts of different choices of the transmit and receive linear basis on...journal article 2022
- document
-
Sethuraman, H. Visvanathan (author), Yarovoy, Alexander (author), Fioranelli, F. (author)The ability of a fully polarimetric radar to discriminate between payloads carried by UAVs is demonstrated. A novel approach has been employed in the feature extraction algorithm, where features from individual and combined polarimetric channels are extracted for classification. Decision and ensemble fusions on the respective extracted features...conference paper 2022
- document
-
Bosma, Detmer (author)Nowadays, many practical radar applications require an automatic interpretation of the received data, including data processing algorithms and target classification. The exploitation of additional polarimetric information is a very promising concept to improve the performance of automotive target classification. In this thesis work, we aim to...master thesis 2021
- document
-
Visvanathan Sethuraman, Harinee (author)Unmanned Aerial Vehicles (UAVs), commonly referred to as drones have gained increasing popularity with current technological breakthroughs. Recent reports indicate the number of registered drones in the United States have crossed 850,000 and is expected to increase multi-fold over the coming years. The widespread applications of drones include...master thesis 2021
- document
-
Rossi, L. (author), Berzosa-Molina, J. (author), Desert, J. M. (author), Fossati, L. (author), Muñoz, A. García (author), Haswell, C. (author), Kabath, P. (author), Kislyakova, K. (author), Stam, D.M. (author), Vidotto, A. (author)The polarization state of starlight reflected by a planetary atmosphere uniquely reveals coverage, particle size, and composition of aerosols as well as changing cloud patterns. It is not possible to obtain a comparable level of detail from flux-only observations. It is therefore a powerful tool to better understand the crucial role played by...journal article 2021
- document
-
Yin, Jiapeng (author), Schleiss, M.A. (author), Wang, Xuesong (author)The use of spectral polarimetric filters in the range-Doppler domain shows great promise for clutter mitigation in weather radar applications. One limitation of these filters is that they cannot deal with situations in which ground clutter and precipitation overlap. In this letter, we propose a new signal recovery technique based on kriging in...journal article 2021
- document
-
Yin, Jiapeng (author), Hoogeboom, P. (author), Unal, C.M.H. (author), Russchenberg, H.W.J. (author)Radio frequency interference (RFI) has become a growing concern for weather radar, distorting radar variable estimation. By simultaneously or alternately transmitting the horizontal and vertical polarized waves, polarimetric weather radar can be referred to as SHV radar or AHV radar. The SHV radar can mimic the AHV radar by discarding either...journal article 2021
- document
-
Keller, Christoph U. (author), Snik, Frans (author), Patty, C. H.Lucas (author), Klindzic, D. (author), Krasteva, Mariya (author), Doelman, David S. (author), Wijnen, T.P.G. (author), Pallichadath, V. (author), Stam, D.M. (author)Many biologically produced chiral molecules such as amino acids and sugars show a preference for left or right handedness (homochirality). Light reflected by biological materials such as algae and leaves therefore exhibits a small amount of circular polarization that strongly depends on wavelength. Our Life Signature Detection polarimeter ...conference paper 2020
- document
-
Nagesh, Saravanan (author)In this thesis, we propose, a Robust data extraction algorithm capable of extracting reliable target features of multiple moving targets of different classes over all channels of an S-Band Doppler Polarimetric Radar PARSAX. The proposed algorithm is capable of generating a time series data by tracking, clusters of detections - representing...master thesis 2019
- document
-
Vizcarro Carretero, Marc (author)Meaningful dual-polarized radar estimations suitable for radar meteorology require a cross-polarization discrimination (XPD) and isolation (XPI) in excess of 30 dB to reach a differential reflectivity accuracy lower than 0.1 dB. A planar dual-polarized patch antenna array featuring low cross-polarization is proposed to meet these requirements...master thesis 2019
- document
-
Yin, J. (author)Weather observation is becoming more important than ever because extreme weather, such as tropical cyclones, thunderstorms and heavy rain, is more common nowadays. To observe and forecast the atmospheric phenomena at high spatial and temporal resolution, weather radar is well recognized as an effective tool. The prerequisite of using weather...doctoral thesis 2019
- document
-
Kladogenis, Chrysovalantis (author), Driessen, J.N. (author), Krasnov, O.A. (author), Yarovoy, Alexander (author)Wind turbines usually cause significant interference in the conventional radar operations which might degrade the detection capabilities. Wind turbines do not only block the radar beam focusing on a specific target, thus creating shadowing effects, but also impose Doppler spectra contamination due to the continuous blade rotation. Therefore...conference paper 2019