Zobrazeno 1 - 10
of 18 122
pro vyhledávání: '"Line-of-sight"'
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 791-806 (2024)
Non-Line-Of-Sight (NLOS) 3D imaging radar is an emerging technology that utilizes multipath scattering echoes to detect hidden targets. However, this technology faces challenges such as the separation of multipath echoes, reduction of aperture occlus
Externí odkaz:
https://doaj.org/article/f4383ccb120e442487f1731bebd5c4f3
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 777-790 (2024)
The advancement in the miniaturization technology of Synthetic Aperture Radar (SAR) systems and SAR three-dimensional (3D) imaging has enabled the 3D imaging of urban areas through Unmanned Aerial Vehicle (UAV)-borne array Interferometric SAR (array-
Externí odkaz:
https://doaj.org/article/facc81ac19cf4800a349d6219b3248fb
Publikováno v:
International Journal of Electronics and Telecommunications, Vol vol. 70, Iss No 3, Pp 699-705 (2024)
It is shown that focusing systems built on the basis of a system of radio receivers spaced apart in space and simulating the operation of a lens can be used to ensure the protection of information during data transmission in the direct radio visibili
Externí odkaz:
https://doaj.org/article/ab0c7a1636044d2da2b779b714f7614a
Autor:
Huang Yurong, Yang Guang
Publikováno v:
Journal of Intelligent Systems, Vol 33, Iss 1, Pp 91-8 (2024)
Online teaching is not limited by time, but the problem of low learning efficiency is common. To address this problem, the study proposes an attention mechanism for multidimensional feature fusion, which first detects faces, uses a supervised gradien
Externí odkaz:
https://doaj.org/article/88301087130547c697e0fae48288daed
Publikováno v:
Alexandria Engineering Journal, Vol 94, Iss , Pp 104-119 (2024)
Combining inertial navigation system (INS) and ultra-wideband (UWB) technologies can effectively compensate for their respective shortcomings, thus significantly enhancing the accuracy of indoor positioning systems. However, in the process of fusing
Externí odkaz:
https://doaj.org/article/189dd05eafe1427bb002d0702f7fc56a
Publikováno v:
IEEE Open Journal of the Communications Society, Vol 5, Pp 364-378 (2024)
This paper presents a geometry-based three-dimensional Probability of Line of Sight $(P_{\mathrm {LoS}})$ model for generic urban environments. The existing $P_{\mathrm {LoS}}$ models are mostly empirical, based on measurements or ray-tracing simulat
Externí odkaz:
https://doaj.org/article/682e4355ba96451288aaf66e47de579f
Autor:
Nurtyawan, Rian, Sigiro, Rizky Berzata
Publikováno v:
Jurnal Indonesia Sosial Teknologi; jun2024, Vol. 5 Issue 6, p2702-2710, 9p
Autor:
Jawad Mirza, Firdos Kanwal, Umair Ahmad Salaria, Salman Ghafoor, Imran Aziz, Ahmad Atieh, Ahmad Almogren, Anwar Ul Haq, Benish Kanwal
Publikováno v:
Frontiers in Physics, Vol 12 (2024)
The safety of SCUBA divers remains at high risk in deep-sea owing to multiple factors such as dangerous surrounding, rely upon technical equipment necessary for life support, decreased underwater navigation, and communication infrastructure. Gradual
Externí odkaz:
https://doaj.org/article/c5c1b6d5c2f1424e892c43bb87cf9bb1