Zobrazeno 1 - 10
of 5 839
pro vyhledávání: '"adaptive processing"'
Publikováno v:
Leida xuebao, Vol 13, Iss 5, Pp 1061-1072 (2024)
Airborne radar receivers that utilize subarray processing face challenges owing to the complex space-time coupling distribution caused by grating-lobe clutter. This results in multiple performance notches in the main beam, which severely affects targ
Externí odkaz:
https://doaj.org/article/255a77982c114b3e873bf8646b76ce01
Publikováno v:
Georesursy, Vol 26, Iss 3, Pp 27-32 (2024)
The article outlines the prerequisites and results of using a specialized technology for processing vibrograms obtained during high-performance vibroseismic studies using the “slip-sweep” technology. The goal is to reveal the potential and advant
Externí odkaz:
https://doaj.org/article/07dc6d81e4bb4c339b92630ea1901297
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 917-928 (2024)
In practical settings, the efficacy of Space-Time Adaptive Processing (STAP) algorithms relies on acquiring sufficient Independent Identically Distributed (IID) samples. However, sparse recovery STAP method encounters challenges like model parameter
Externí odkaz:
https://doaj.org/article/2bc244147fa94c208651a5f233ec9492
Publikováno v:
Scientific Journal of Silesian University of Technology. Series Transport, Vol 123, Pp 335-346 (2024)
The paper explores the potential to enhance aviation safety, particularly in militarized regions, by outfitting aircraft with Side Looking Airborne Radar (SLAR) and employing space-time adaptive processing (STAP) algorithms. The research objective re
Externí odkaz:
https://doaj.org/article/36178d0c52944c2296a307ea6c44c696
Publikováno v:
Remote Sensing, Vol 16, Iss 17, p 3198 (2024)
Airborne Frequency Diversity Array (FDA) radar operating at a high pulse repetition frequency encounters severe range-ambiguous clutter. The slight frequency increments introduced by the FDA result in angle and range coupling. Under these conditions,
Externí odkaz:
https://doaj.org/article/2bb9f29142594e69a2228dd24b0f544b
Clutter Rank Estimation Method for Bistatic Radar Systems Based on Prolate Spheroidal Wave Functions
Publikováno v:
Remote Sensing, Vol 16, Iss 16, p 2928 (2024)
Bistatic radar exhibits spatial isomerism and diverse configurations, leading to unique clutter characteristics distinct from those of monostatic radar. The clutter rank serves as a pivotal indicator of clutter characteristics, enabling the quantific
Externí odkaz:
https://doaj.org/article/b9ed51262eb940b78a45cc404f888e02
Publikováno v:
Remote Sensing, Vol 16, Iss 14, p 2516 (2024)
Space–time adaptive processing (STAP) based on sparse recovery achieves excellent clutter suppression and target detection performance, even with a limited number of available training samples. However, most of these methods face performance degrad
Externí odkaz:
https://doaj.org/article/07a21027109e40849c93a24011f3f11f
Publikováno v:
Remote Sensing, Vol 16, Iss 14, p 2534 (2024)
The traditional sparse recovery (SR) space-time adaptive processing (STAP) algorithms are greatly affected by grid mismatch, leading to poor performance in airborne bistatic radar clutter suppression. In order to address this issue, this paper propos
Externí odkaz:
https://doaj.org/article/ed56b8e9e52c48caa6a5a5363275742f
Publikováno v:
Remote Sensing, Vol 16, Iss 14, p 2674 (2024)
The extensive deployment of wind farms has significantly impacted the detection capabilities of space–air bistatic radar (SABR) systems. Although space–time adaptive processing techniques are available, their performance is significantly degraded
Externí odkaz:
https://doaj.org/article/b400e98e9f31480ca1320ddd0b136793
Publikováno v:
Sensors, Vol 24, Iss 12, p 4007 (2024)
In space-time adaptive processing (STAP), the coprime sampling structure can obtain better clutter suppression capabilities at a lower hardware cost than the uniform linear sampling structure. However, in practical applications, the performance of th
Externí odkaz:
https://doaj.org/article/49df96d9a7ff419b9b5c6894c4862390