Exploració per tema "Radar"
Ara es mostren els items 1-20 de 322
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A bluetooth low energy indoor positioning system with channel diversity, weighted trilateration and Kalman filtering
(Multidisciplinary Digital Publishing Institute (MDPI), 2017-12-01)
Article
Accés obertIndoor Positioning Systems (IPS) using Bluetooth Low Energy (BLE) technology are currently becoming real and available, which has made them grow in popularity and use. However, there are still plenty of challenges related ... -
A compact prototype of an FM-CW RADAR for biomedical applications
(Universitat Politècnica de Catalunya, 2021-01-02)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
A comparative study of operational vessel detectors for maritime surveillance using satellite-borne synthetic aperture radar
(2016-06-01)
Article
Accés obertThis paper presents a comparative study among four operational detectors that work by automatically post-processing synthetic aperture radar (SAR) images acquired from the satellite platforms RADARSAT-2 and COSMO-SkyMed. ... -
A dual-mode Ultra-Wideband wireless platform for remote patient monitoring systems
(Universitat Politècnica de Catalunya, 2012-07-11)
Projecte Final de Màster Oficial
Accés obertThe combination of two factors demands the need to find a solution that guarantees the well-being of the people suffering from chronic diseases. On the one hand, the increase of the life expectancy leads to an older world's ... -
A near field 3D radar imaging technique
(Institute of Electrical and Electronics Engineers (IEEE), 1993)
Text en actes de congrés
Accés obertThe paper presents an algorithm which recovers a 3D reflectivity image of a target from near-field scattering measurements. Spherical wave nearfield illumination is used, in order to avoid a costly compact range installation ... -
A near field spherical wave inverse synthetic aperture radar technique
(Institute of Electrical and Electronics Engineers (IEEE), 1992)
Text en actes de congrés
Accés obertThe authors present an imaging near-field spherical wave inverse synthetic aperture radar (SWISAR) algorithm based on a focusing operator of the scattered fields on the target surface. A spherical wave can be easily generated ... -
A new approach to DInSAR pixel selection with a combined multi resolution selection method
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialIn DInSAR processing it is possible to detect different kinds of targets at different resolutions. Point like scatters can be selected with high resolution selection methods, like amplitude dispersion. Distributed scatters ... -
A new approach to DInSAR pixel selection with spectral correlation along time between Sublooks
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a full resolution pixel selection method, alternative to the traditional ones, which is based on the study of the spectral correlation coefficient along time among different Sublooks of the image ... -
A new methodology to characterise the radar bright band using doppler spectral moments from vertically pointing radar observations
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-27)
Article
Accés obertThe detection and characterisation of the radar Bright Band (BB) are essential for many applications of weather radar quantitative precipitation estimates, such as heavy rainfall surveillance, hydrological modelling or ... -
A Novel Algorithm for Ship Detection in SAR Imagery Based on the Wavelet Transform
(IEEE, 2005-04-30)
Article
Accés obertCarrying out an effective control of fishing activities is essential to guarantee a sustainable exploitation of sea resources. Nevertheless, as the regulated areas are extended, they are difficult and time consuming to ... -
A novel linear feature detector for SAR images
(2012-11-12)
Article
Accés obertA new linear feature detector for synthetic aperture radar (SAR) images is presented in this article by embedding a three-region filter into the wedgelet analysis framework. One of its main features is that it can detect ... -
A novel strategy for radar imaging based on compressive sensing
(2008)
Text en actes de congrés
Accés obertThis paper aims at introducing the recent theory of compressive sensing to radar imaging systems in order to retrieve the imaged scene with better resolution and a reduced amount of collected samples. As a result of ... -
A persistent scatterer interferometry procedure to monitor urban subsidence
(2019)
Text en actes de congrés
Accés obertThis paper describes a Persistent Scatterer Interferometry procedure for deformation monitoring. Its more original part concerns an approach to estimate the atmospheric phase component. The procedure can be used to monitor ... -
A polarimetric ultra-wide band field scatterometer
(Institute of Electrical and Electronics Engineers (IEEE), 1995)
Text en actes de congrés
Accés obert“TERESA” (Terrestrial Radar Equipment for Scattering Analysis) is a ground-based, fully polarimetric scatterometer operative in the S, C, X, and Ku bands. It has been designed to obtain the complete backscattering matrix ... -
A pulsed carrier recovery using a discrete conception of the PLL
(Institute of Electrical and Electronics Engineers (IEEE), 1992)
Text en actes de congrés
Accés obertA bistatic radar system requires accurate synchronization between the transmitter and the remote receiver in order to achieve a correct coherent target detection and positioning. An unlinked receiver carrier phase/frequency ... -
A review and test of shoreline extraction techniques
(2023-05-25)
Article
Accés obertShoreline represents the boundary between land and sea, and its accurate extraction is of utmost importance because of the economic and ecological value of coastal areas. Nowadays, satellite remote sensing is widely used ... -
A Small Baseline DIFSAR Approach for Investigating Deformations on Full Resolution SAR Interferograms
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2004-07-31)
Article
Accés obertThis paper presents a differential synthetic aperture radar (SAR) interferometry (DIFSAR) approach for investigating deformation phenomena on full-resolution DIFSAR interferograms. In particular, our algorithm extends ... -
A suboptimum rank test for radar detection
(Universitat Politècnica de Catalunya (UPC), 1983)
Text en actes de congrés
Accés obertIn this communication, a new nonparametric rank scheme is in traduced for Radar application and its performance briefly analyzed. The proposed scheme has a suboptimum character, since it is introduce as a simplification ... -
A temporal phase coherence estimation algorithm
(VDE Conference Publications, 2018)
Text en actes de congrés
Accés restringit per política de l'editorialPixel selection is a critical procedure in DInSAR processing. In this paper a new temporal phase coherence (TPC) estimation algorithm is proposed for the pixel selection. TPC is calculated based on the estimated interferometric ... -
A two-dimensional doppler-radiometer for earth observation
(IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-07-31)
Article
Accés obertCompared to synthetic aperture radars (SARs), the angular resolution of microwave radiometers is quite poor. Traditionally, it has been limited by the physical size of the antenna. However, the angular resolution can be ...