Zobrazeno 1 - 10
of 221
pro vyhledávání: '"Yangyu Fan"'
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 11467-11484 (2024)
Synthetic aperture radar (SAR) and optical sensing are two important means of Earth observation. SAR-to-optical image translation (S2OIT) can integrate the advantages of both and assist SAR image interpretation under all-day and all-weather condition
Externí odkaz:
https://doaj.org/article/89a2202609d149968223aebde1342fbc
Publikováno v:
Micromachines, Vol 15, Iss 5, p 593 (2024)
Combined in-band full duplex-multiple input multiple output (IBFD–MIMO) technology can significantly improve spectrum efficiency and data throughput, and has broad application prospects in communications, radar, the Internet of Things (IoT), and ot
Externí odkaz:
https://doaj.org/article/2ad184f0193941808a8d7bfa10acf465
Publikováno v:
Photonics, Vol 10, Iss 11, p 1269 (2023)
A microwave photonic Doppler frequency shift (DFS) and angle of arrival (AOA) measurement method based on a dual-parallel dual-drive Mach–Zehnder modulator (DP-DDMZM) is proposed and demonstrated. A sawtooth wave signal is used to drive the DC port
Externí odkaz:
https://doaj.org/article/be87991f16944da080240ac10fde8c24
Publikováno v:
Photonics, Vol 10, Iss 7, p 812 (2023)
The accuracy of line-of-sight (LOS)-based indoor visible light positioning (VLP) depends directly on the accuracy of the received LOS power. In an actual indoor visible light communication (VLC) system, the total received power contains the LOS power
Externí odkaz:
https://doaj.org/article/af9b51156ffb4f8c8f105f092476575f
Publikováno v:
Tongxin xuebao, Vol 42, Pp 48-56 (2021)
To solve the problems of nonlinear distortion and limited dynamic range of microwave photonics mixing system, a large dynamic range microwave photonics mixing system based on parallel dual parallel Mach-Zehnder modulator (DPMZM) was proposed.The para
Externí odkaz:
https://doaj.org/article/917a9dd58be64763bc48e34fc8edd5c3
Publikováno v:
IEEE Photonics Journal, Vol 13, Iss 2, Pp 1-15 (2021)
The in-band full-duplex (IBFD) systems can send and receive data simultaneously in the same frequency band. Although the electromagnetic interference among RF channels can be released using radio over fiber (RoF) links, the receiving antenna is susce
Externí odkaz:
https://doaj.org/article/d8cc2dfe4384484dae7a15ba49bf6a73
Publikováno v:
IEEE Access, Vol 9, Pp 76822-76832 (2021)
Appearance can affect social interaction, which in turn affects personality development. There is ample evidence that facial morphology and social cues provide information about human personality and behavior. In this study, we focused on the relatio
Externí odkaz:
https://doaj.org/article/730f7aca6d644a7481ae7385e78e9f42
Publikováno v:
Tongxin xuebao, Vol 41, Pp 94-99 (2020)
In order to meet the future development needs of broadband communications, a microwave photonic channelization receiver based on dual coherent optical frequency comb (OFC) was proposed.The used optical frequency comb can be generated by only a dual p
Externí odkaz:
https://doaj.org/article/2799f227135d4eeea6f77a0fd6829402
Publikováno v:
IEEE Access, Vol 8, Pp 213115-213121 (2020)
Radio frequency (RF) channelization receiver is one of the most effective methods for processing ultra-wideband RF signals. In this paper, an ultra-wideband microwave photonic channelizer based on coherent optical frequency combs (OFCs) and image-rej
Externí odkaz:
https://doaj.org/article/b8a5992885c2400892748248b25b76e6
Publikováno v:
IEEE Access, Vol 8, Pp 210709-210721 (2020)
In the recent period, significant progress has been achieved towards reconstructing the 3D face model from face image. With the support of the render engines and sufficient data, the reconstruction results are fine in detail. Nevertheless, the resear
Externí odkaz:
https://doaj.org/article/c75ff03b8878453ba3db0290e78f1a1a