Results 81 to 90 of about 3,182 (230)

Exact spectrum of non-linear chirp scaling and its application in geosynchronous synthetic aperture radar imaging

The Journal of Engineering, 2013
Non-linear chirp scaling (NLCS) is a feasible method to deal with time-variant frequency modulation (FM) rate problem in synthetic aperture radar (SAR) imaging.
Chen Qi, Li Dexin, He Feng, Liang Diannong   +3 more
doaj   +1 more source

RANGE MIGRATION ALGORITHM IN THE PROCESSING CHAIN OF SIGNALS OF A GROUND-BASED SAR SENSOR [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
Synthetic aperture radar (SAR) system based on frequency modulated continuous wave (FM-CW) transmission is a viable option for producing high-resolution ground-based imaging radars.
B. Hosseiny, J. Amini, M. Esmaeilzade, M. Nekoee   +3 more
doaj   +1 more source

Multiple-target CW FM radar [PDF]

, 1972
Development of a multiple-target CW FM radar is described. This type of radar has advantages over pulse radars particularly in portable, battery operated applications.NAhttp://archive.org/details ...
Hoisington, D. B. (David B.)
core  

Tracking maneuvering target with particle filter techniques on passive radar using FM and DVBT broadcasting signals

, 2010
International audienceIn this paper, we present a Track-before-Detect algorithm for maneuvering targets, with particle filter techniques on passive radar.
Jishy, Khalil, Gosselin, François, Salut, Gérard, M. Moruzzis, Lehmann, Frederic, G. Salut, Moruzzis, Michel, F. Lehmann, F. Gosselin, K. Jishy   +9 more
core   +1 more source

Phenotyping Preeclampsia Using Unsupervised Machine Learning: A Prospective Cohort Study

BJOG: An International Journal of Obstetrics &Gynaecology, EarlyView.
ABSTRACT Objective To explore clinically meaningful phenotypes of preeclampsia using unsupervised machine learning. Design Prospective cohort study. Setting BCNatal, a tertiary maternal‐foetal medicine centre (Barcelona, Spain). Population A total of 482 pregnant women diagnosed with preeclampsia between August 2013 and April 2024.
Ohad Houri, Lina Youssef, Francesca Crovetto, Maria Borrell, Maddalena Crimella, Maria Giulia Ferrante, Rommy H. Novoa, Irene Casas, Noelia Encabo, Leticia Benitez, Marta Larroya, Anna Peguero, Eva Meler, Sara Castro‐Barquero, Bart Bijnens, Francesc Figueras, Eduard Gratacos, Gabriel Bernardino, Fàtima Crispi   +18 more
wiley   +1 more source

Tracing Identity in a Fragmented Past: Multi‐Proxy Analysis of Human Skeletal Remains From Dungowan Creek, New South Wales, Australia

Archaeometry, EarlyView.
ABSTRACT Human skeletal remains constitute critical archaeological evidence for reconstructing past societies, yet their investigation requires careful ethical, cultural, and legislative consideration. This paper reports on the discovery, recovery and analysis of a set of skeletal remains encountered during a cultural heritage management (CHM ...
Antonella Skepasianos, Cameron Neal, Sarah Croker, Anthony Dosseto, Michelle Fermor, Steve Talbott, Warren Mayers, Joel Mason, Florian Dux, Luke Kirkwood, Pamela Kottaras, Alan N. Williams   +11 more
wiley   +1 more source

Direction of Arrival Estimation for Multi-Frequency FM-Based Passive Bistatic Radar

, 2011
In this paper we introduce a multi-frequency approach for improving target Direction of Arrival (DoA) estimation in FM radio based Passive Bistatic Radar (PBR). The joint exploitation of the waveforms of opportunity received on multiple FM radio channels
Carlo Bongioanni, COLONE, Fabiola, LOMBARDO, Pierfrancesco, Giuseppe De Leo, BONGIOANNI, CARLO, Fabiola Colone, Pierfrancesco Lombardo, Pamela Paglione   +7 more
core   +1 more source

Perspectives and Experiences of Dentists on the Provision of Oral Healthcare to Frail Older Adults in General Dental Practices

Gerodontology, EarlyView.
ABSTRACT Background Population ageing has increased the number of frail older adults living independently and retaining their natural dentition. To support oral healthcare professionals in caring for this patient group, the Royal Dutch Dental Association published the practice guideline Care for Frail Older Adults in the Dental Practice.
Ellen Dekkers, Brigitte Amelia Francisca Maria van Dam, Joost Cornelis Lambertus den Boer, Dagmar Else Slot, Jan Josef Mathieu Bruers   +4 more
wiley   +1 more source

A Low‐Cost FMCW Radar for Perimeter Surveillance With Suppression of Impact of Trees and Bushes as Clutter

The Journal of Engineering
Radar sensors are one of the most convenient and effective options for perimeter surveillance applications, where a narrow‐beam radar is needed due to the presence of various clutters, particularly trees and bushes, in urban and rural environments.
Ayoub Yanegh, Elham Baladi
doaj   +1 more source

Acceleration of parasitic multistatic radar system using GPGPU

, 2011
This dissertation details the implementation of PMR [Parasitic Multistatic Radar] signal processing chain in the GPGPU [General Purpose Graphic Processing Units] platform.
John, Mathew
core