Zobrazeno 1 - 10
of 74
pro vyhledávání: '"Dahai Dai"'
Publikováno v:
Remote Sensing, Vol 16, Iss 23, p 4527 (2024)
At present, the majority of deep learning-based ship object detection algorithms concentrate predominantly on enhancing recognition accuracy, often overlooking the complexity of the algorithm. These complex algorithms demand significant computational
Externí odkaz:
https://doaj.org/article/9b652be61472446089e3fa3547052a50
Publikováno v:
Sensors, Vol 24, Iss 18, p 5997 (2024)
This article is devoted to solving full-wave electromagnetic inverse scattering problems (EM-ISPs), which determine the geometrical and physical properties of scatterers from the knowledge of scattered fields. Due to the intrinsic ill-posedness and n
Externí odkaz:
https://doaj.org/article/873dfc38cfa74125ac530a63b98150c3
Publikováno v:
Remote Sensing, Vol 16, Iss 14, p 2540 (2024)
Synthetic-aperture radar (SAR) can work in all weather conditions and at all times, and satellite-borne radar has the characteristics of short revisiting period and large imaging width. Therefore, satellite-borne synthetic-aperture radar has been wid
Externí odkaz:
https://doaj.org/article/3197fc1134fa4a22b95545d4520c0a7c
Publikováno v:
Electronics Letters, Vol 59, Iss 24, Pp n/a-n/a (2023)
Abstract Currently, microwave correlation imaging (MCI) is regarded as an important method to address the forward‐looking imaging problem in radar. The key step of this method is to form a spatio‐temporal two‐dimensional random radiation field
Externí odkaz:
https://doaj.org/article/cd1bf3fef94c4a1d8b35b5f7a4f92ee5
Publikováno v:
Remote Sensing, Vol 16, Iss 6, p 1013 (2024)
Synthetic Aperture Radar (SAR) is a high-resolution imaging sensor commonly mounted on platforms such as airplanes and satellites for widespread use. In complex electromagnetic environments, radio frequency interference (RFI) severely degrades the qu
Externí odkaz:
https://doaj.org/article/5125c25ef8c5414292cd448796b610b2
Publikováno v:
Leida xuebao, Vol 10, Iss 1, Pp 61-73 (2021)
The recognition of ships from chaff cloud jamming is challenging because they have similar dimensions and radar cross sections. In this paper, we propose a polarimetric recognition technique with sophisticated polarimetric target decomposition. Three
Externí odkaz:
https://doaj.org/article/6a38c8644ed74fe482ac69da2014b77a
Publikováno v:
Remote Sensing, Vol 15, Iss 7, p 1867 (2023)
Most existing methods for sorting synthetic aperture radar (SAR) emitter signals rely on either unsupervised clustering or supervised classification methods. However, unsupervised clustering can consume a significant amount of computational and stora
Externí odkaz:
https://doaj.org/article/c8f61583d99e4fb4a486320d82e61f4d
Publikováno v:
The Journal of Engineering (2019)
With precise angle measurement, traditional monopulse techniques for forward-looking imaging can acquire exact angle information of one single target within a radar beam. However, when multiple targets exist in a beam, it is difficult to resolve them
Externí odkaz:
https://doaj.org/article/b751f93283e54feeae431a3ee8d93894
Publikováno v:
Sensors, Vol 20, Iss 4, p 1053 (2020)
The interferometry synthetic aperture radar (InSAR) deceptive jamming method utilizing two synergetic transponders can generate a false three-dimension (3D) scene in a single baseline InSAR image. However, such deceptive capability could be reduced b
Externí odkaz:
https://doaj.org/article/d6e90a50cdc74f65b39360335c627515
Publikováno v:
Sensors, Vol 19, Iss 23, p 5112 (2019)
High-resolution range profile (HRRP) has attracted intensive attention from radar community because it is easy to acquire and analyze. However, most of the conventional algorithms require the prior information of targets, and they cannot process a la
Externí odkaz:
https://doaj.org/article/9ae7eba8a2f2489fb4561ea0bceea8ef