Zobrazeno 1 - 10
of 4 999
pro vyhledávání: '"Direction finding"'
Publikováno v:
Zhongguo Jianchuan Yanjiu, Vol 19, Iss 4, Pp 282-289 (2024)
ObjectiveTo overcome the problem of the limitation of working bandwidth due to the phase ambiguity caused by the carrier frequency's variation in conventional time-modulated direction finding, a single-channel direction finding method with nonuniform
Externí odkaz:
https://doaj.org/article/8f25c3ca416048c588fee158ed0e3ada
Publikováno v:
Hangkong bingqi, Vol 31, Iss 1, Pp 71-76 (2024)
In the ground attack mission, the attack plan needs to be formulated and distributed to the attack aircraft based on the threat source intelligence data obtained in advance with the help of the tactical mission planning system. The passive radar reco
Externí odkaz:
https://doaj.org/article/ac676ddf77294565b22ef534c4f4eeae
Publikováno v:
Hangkong bingqi, Vol 31, Iss 1, Pp 103-110 (2024)
The spatially synthesized signal pulse of the frequency division orthogonal MIMO radar has the characteristics of time-varying envelope and space-time coupling, which provides a new possibility for actively countering direction finding of the passive
Externí odkaz:
https://doaj.org/article/77603bb71b454aff86d2006759adb6ba
Autor:
Ottavio Crisafulli, Nicolo Ivan Piazzese, Santi Concetto Pavone, Giuseppe Giammello, Giovanni Galvagna, Salvatore Pitrulli, Andrea Francesco Morabito, Loreto Di Donato, Michele Sardo, Gino Sorbello
Publikováno v:
IEEE Access, Vol 12, Pp 42572-42584 (2024)
The introduction of new Direction finding (DF) features in Bluetooth Low Energy (BLE) 5.1, has brought about new hardware design requirements for locators. These requirements include the ability to support accurate and fast direction-finding algorith
Externí odkaz:
https://doaj.org/article/c04731cc9a48427db9dd7034b750ee68
Autor:
Fauzia Ahmad, Moeness G. Amin
Publikováno v:
IET Radar, Sonar & Navigation, Vol 18, Iss 1, Pp 210-221 (2024)
Abstract A modified RELAX algorithm based on iterative coarray‐domain beamforming for fast source direction‐of‐arrival (DOA) estimation with fully augmentable sparse arrays is proposed. The authors exploit the deterministic centralised nature o
Externí odkaz:
https://doaj.org/article/4d649166db2546e880dbb7d11f3ef4ef
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6208 (2024)
With the growing demand for positioning services, angle-of-arrival (AoA) estimation or direction-finding (DF) has been widely investigated for applications in fifth-generation (5G) technologies. Many existing AoA estimation algorithms only require th
Externí odkaz:
https://doaj.org/article/93aede10de4c443caf65baf948a01775
Publikováno v:
Sensors, Vol 24, Iss 13, p 4300 (2024)
This paper investigates a 1.7 mm diameter ultra-weak fiber Bragg grating (UWFBG) hydrophone towed array cable for acoustic direction finding. The mechanism of the underwater acoustic waves received by this integrated-coating sensitizing optical cable
Externí odkaz:
https://doaj.org/article/bd10b142e6a94769b0995ff3e6375add
Publikováno v:
Energies, Vol 17, Iss 11, p 2537 (2024)
The power transformer is one of the most critical core devices for energy exchange in power systems, and its safe and stable operation is directly related to the reliability of the power grid. Partial discharge is the main cause of insulation degrada
Externí odkaz:
https://doaj.org/article/61c442cca0254059abdf89c48d58515e
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3400 (2024)
This paper proposes a dynamic phase comparison algorithm for planar direction finding on a high-speed moving satellite radio receiver, treating the moving antenna as equivalent to single-baseline array antennas. Based on a phase interferometer algori
Externí odkaz:
https://doaj.org/article/11ff6e8f2de5485bb07fe5c54aac3cd0
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