Zobrazeno 1 - 10
of 839
pro vyhledávání: '"Slant range"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 7216-7232 (2024)
Bistatic synthetic aperture radar (BiSAR) can perform remote imaging at any position, thus playing a crucial role in remote sensing applications. In BiSAR imaging with complex trajectory, an inevitable issue is the complicated correspondence between
Externí odkaz:
https://doaj.org/article/c13e0cfe9054491888ba6745cd1bcd29
Publikováno v:
IEEE Access, Vol 11, Pp 119436-119445 (2023)
This paper proposes a novel method to predict the radar detection errors in a complex environment by considering slant range and angular error. This method involves analysis of the electromagnetic wave propagation path loss in troposphere using discr
Externí odkaz:
https://doaj.org/article/8f4876ea6488489aa41c90fdda786274
Publikováno v:
Remote Sensing, Vol 15, Iss 21, p 5191 (2023)
The Geosynchronous Satellite Synthetic Aperture Radar (GEO SAR) operates at a high orbital altitude, resulting in an extended imaging time and substantial variations in slant range. Additionally, the GEO SAR satellite orbit experiences a bending effe
Externí odkaz:
https://doaj.org/article/ebc64e37c0c149d6b45fcf6746f6f309
Autor:
NILTON R. CANTANHEDE, EWALDO EDER CARVALHO, PAULO FERNANDES DA SILVA JÚNIOR, JONAS DE JESUS BARROS
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 94, Iss 3 (2022)
Abstract This work presents an alternative method of getting tracking, and the impact point of the actual flight of a rocket, by telemetry data and slant-range device. The tracking and impact point data were obtained from an actual flight path by mer
Externí odkaz:
https://doaj.org/article/eab41c86ad804de0adc4dbc0b41d6cdd
Publikováno v:
Remote Sensing, Vol 15, Iss 2, p 456 (2023)
The conventional polar format algorithm (CPFA) is widely used for synthetic aperture radar (SAR) because of its simple and efficient operations. However, due to its wavefront curvature assumption, the CPFA’s depth-of-focus (DOF) is extremely small,
Externí odkaz:
https://doaj.org/article/3e826d1604b547ceb9d8ad86d028dfcd
Publikováno v:
Aerospace, Vol 10, Iss 1, p 53 (2023)
One of the challenges of the Internet of Things (IoT) is to provide connectivity to devices around the globe. Long Range (LoRa) is one of the most practical technologies due to its low-power and long-range capabilities to be used by the Low Earth Orb
Externí odkaz:
https://doaj.org/article/1061e49055204c23a9d3ee7687cbe93b
Autor:
Helmut Puhr
Publikováno v:
Engineering Proceedings, Vol 28, Iss 1, p 8 (2022)
In ATC Tracking applications, the barometric altitude of measured aircraft is predominantly used as a substitute for the geometric altitude in slant range correction of Radar target reports, introducing position errors. With ADS-B being frequently av
Externí odkaz:
https://doaj.org/article/48290b7882d64542be1a1b4ba032c348
Autor:
Ivan Masmitja, Spartacus Gomariz, Joaquin Del-Rio, Brian Kieft, Tom O'Reilly, Pierre-Jean Bouvet, Jacopo Aguzzi
Publikováno v:
IEEE Access, Vol 7, Pp 86946-86963 (2019)
Underwater localization is one of the main problems that must be addressed in subsea exploration, where no global positioning system (GPS) is available. In addition to the traditional underwater localization systems, such as long base line (LBL), new
Externí odkaz:
https://doaj.org/article/346f7a6bc876422b93053cd773fbf78c
Publikováno v:
ISPRS Journal of Photogrammetry and Remote Sensing. 196:306-324
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