Zobrazeno 1 - 10
of 513
pro vyhledávání: '"Guoan Bi"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 13, Pp 4825-4835 (2020)
Sparsity-driven synthetic aperture radar (SAR) imaging technique for frequency modulation continuous wave (FMCW) has already shown the superiority in terms of performance improvement in imaging and recovery from down-sampled data. However, restricted
Externí odkaz:
https://doaj.org/article/ed1fc57ff85b41209d27b2c5057d3f59
Publikováno v:
IEEE Access, Vol 7, Pp 150583-150597 (2019)
This paper addresses the target localization problem in complex multipath propagation environment for three-dimensional (3-D) radar systems. Firstly, an approach based on the singular value decomposition (SVD) technique is developed to reduce the dat
Externí odkaz:
https://doaj.org/article/7185b7bd5e85470184eeccc9b20284d7
Publikováno v:
IEEE Access, Vol 7, Pp 73719-73728 (2019)
In this paper, a novel direction-of-arrival (DOA) estimation algorithm is proposed for noncircular signals with nonuniform noise by using the unitary matrix completion (UMC) technique. First, the proposed method utilizes the noncircular property of s
Externí odkaz:
https://doaj.org/article/f65d82740ea243a2974c56868527dd9d
Publikováno v:
IEEE Access, Vol 7, Pp 65277-65287 (2019)
A novel multiple azimuth beams (MAB) inverse synthetic aperture radar (ISAR) system, as well as, the corresponding processing algorithms are proposed in this paper, which is a promising technology for wide area surveillance (WAS). This system concept
Externí odkaz:
https://doaj.org/article/dd423f13eca2471ab937499a6aaa072b
Publikováno v:
IEEE Access, Vol 7, Pp 170077-170086 (2019)
Airborne circular stripmap synthetic aperture radar (CSSAR)-ground moving target indication (GMTI) systems are attractive tools for air-to-ground surveillance and monitoring, because of their advantages of short revisit time and large coverage. This
Externí odkaz:
https://doaj.org/article/d59ff3fd3a904fab877d854dc926d542
Publikováno v:
IEEE Access, Vol 7, Pp 175021-175032 (2019)
The growing popularity of unmanned aerial vehicle (UAV) attracts significant research interests and applications including low-altitude and airborne vehicles. Since there is no declared spectrum allocated to UAV communications, opportunistic transmis
Externí odkaz:
https://doaj.org/article/569b3a58c79d409396bcc1600ff159b6
Publikováno v:
IEEE Access, Vol 6, Pp 20520-20530 (2018)
Cognitive radio (CR) is a novel technology for improving the utilization of radio electromagnetic spectrum. Recently, a new model called cognitive radio networks with cloud (CRNC) has been proposed to eliminate the constraints (pertinent to tradition
Externí odkaz:
https://doaj.org/article/4d912aac94624914a17855faea16ed1a
Publikováno v:
IEEE Access, Vol 5, Pp 20640-20651 (2017)
The transmission frequency of power grids, i.e., electric network frequency (ENF), has become a common criterion to authenticate audio recordings during the past decade, drawing much attention from both the academic researchers and law enforcement ag
Externí odkaz:
https://doaj.org/article/2f367839e8cf45d6a9258d57e410829f
Publikováno v:
IEEE Access, Vol 5, Pp 26690-26702 (2017)
This paper presents a new sparse signal recovery algorithm using variational Bayesian inference based on the Laplace approximation. The sparse signal is modeled as the Laplacian scale mixture (LSM) prior. The Bayesian inference with the Laplacian mod
Externí odkaz:
https://doaj.org/article/9fc56f30118a4fa287547e3049ab4ccd
Publikováno v:
Sensors, Vol 18, Iss 9, p 2788 (2018)
In the paper, the estimation of joint direction-of-departure (DOD) and direction-of-arrival (DOA) for strictly noncircular targets in multiple-input multiple-output (MIMO) radar with unknown mutual coupling is considered, and a tensor-based angle est
Externí odkaz:
https://doaj.org/article/3919fa6777554366a7500e2cbef255f5