Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Na-E Zheng"'
Publikováno v:
Advanced Photonics Research, Vol 4, Iss 10, Pp n/a-n/a (2023)
Conformal metasurface antenna embedded on the platform with an arbitrary shape is of great significance for communication systems in practical applications. Herein, a convenient design strategy for conformal transmissive metasurface antenna with arbi
Externí odkaz:
https://doaj.org/article/97158f2d6a7a486cbf714db2a157316a
Publikováno v:
Sensors, Vol 22, Iss 19, p 7379 (2022)
Coordinated positioning based on direction of arrival (DOA)–time difference of arrival (TDOA) is a research area of great interest in beyond-visual-range target positioning with shortwave. The DOA estimation accuracy greatly affects the accuracy of
Externí odkaz:
https://doaj.org/article/d1e20b29274949ba87214d165ee225b6
Publikováno v:
International Journal of Antennas and Propagation, Vol 2016 (2016)
The work presented here is concerned with the antenna array design in collocated multiple-input multiple-output (MIMO) radars. After knowing the system requirements, the antenna array design problem is formulated as a standard polynomial factorizatio
Externí odkaz:
https://doaj.org/article/815602072e8f44db836ddd3eee53e962
Publikováno v:
Journal of Zhejiang University SCIENCE C. 15:1048-1057
Well-controlled resource allocation is crucial for promoting the performance of multiple input multiple output orthogonal frequency division multiplexing (MIMO-OFDM) systems. Recent studies have focused primarily on traditional centralized systems or
Publikováno v:
International Journal of Antennas and Propagation, Vol 2016 (2016)
The work presented here is concerned with the antenna array design in collocated multiple-input multiple-output (MIMO) radars. After knowing the system requirements, the antenna array design problem is formulated as a standard polynomial factorizatio
Publikováno v:
PIMRC
In multiple-input multiple-output cognitive interference channels, secondary users share frequency bands with primary users. The different frequency authorities of the secondary users and the primary users complicate the determination of the upper bo
Publikováno v:
Advances in Intelligent Systems Research.
Under the condition of single snapshot, multiple signal classification (MUSIC) time of arrival (TOA) estimation algorithm improves its performance by forward and backward smoothing in frequency domain. Its ability to distinguish multipath is strong.
Publikováno v:
Advances in Intelligent Systems Research.
This paper presents a new root multiple signal classification (Root-MUSIC) time delay estimation method based on the concept of well known propagator method (PM). The PM does not need the eigenvalue decomposition whose computational complexity is hig