Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Daying QUAN"'
Autor:
Wei Wang, Xiaoping Jin, Daying Quan, Mingmin Zhu, Xiaofeng Wang, Ming Zheng, Jingjian Li, Jianhua Chen
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract Image acquisition and transmission in wireless sensor networks (WSN) are core issues for some resource-deficient multimedia sensing applications. Reducing sampling rates and data transmission lowers sensor node costs and energy, addressing c
Externí odkaz:
https://doaj.org/article/fd70e939ba2f4331ac32d530d1918e07
Publikováno v:
IET Radar, Sonar & Navigation, Vol 18, Iss 6, Pp 849-865 (2024)
Abstract Time‐frequency analysis based on Wigner‐Ville distribution (WVD) plays a significant role in analysing non‐stationary signals, but it is susceptible to interference from cross‐terms (CTs) for multi‐component signals. To address thi
Externí odkaz:
https://doaj.org/article/3a169c1b61ea4896ae4ccaafaa0666f7
Publikováno v:
IEEE Access, Vol 12, Pp 153209-153220 (2024)
Radar signal recognition is an important topic in electronic countermeasures. However, with the growing complexity of the electromagnetic environment, accurately identifying radar signals faces great challenges, and insufficient feature extraction is
Externí odkaz:
https://doaj.org/article/e3bed81ba749429194e7ad2e16616576
Publikováno v:
IEEE Access, Vol 12, Pp 86704-86715 (2024)
It is essential to achieve the high-accuracy recognition of low probability of intercept (LPI) radar signals in modern electronic warfare. However, under low signal-to-noise ratio (SNR), the recognition accuracy of the LPI radar signals is relatively
Externí odkaz:
https://doaj.org/article/a96b6a6f7cc34ebfb2f33203c5806bc1
Publikováno v:
IEEE Access, Vol 12, Pp 31652-31661 (2024)
Radar signal recognition plays a crucial role in modern electronic reconnaissance systems. With the increasing complexity of electromagnetic environments, radar signals are susceptible to noise interference under low signal-to-noise ratio (SNR) condi
Externí odkaz:
https://doaj.org/article/9dab8692888a4cbba67a211085e1398b
Publikováno v:
IET Communications, Vol 16, Iss 9, Pp 942-950 (2022)
Abstract Differential spatial modulation (DSM) is a multi‐antenna differential technology with low power consumption and no demand of channel estimation. It is suitable for communication systems that have fast migration velocity and high requiremen
Externí odkaz:
https://doaj.org/article/c74539707d1245aa87a6d83e8e0c106c
Publikováno v:
Dianxin kexue, Vol 38, Pp 84-91 (2022)
Aiming at improving the accuracy of radar signal recognition under a low signal-to-noise ratio, a radar signal recognition algorithm based both on time-frequency image and high-order spectrum feature was proposed.Firstly, the time-frequency image was
Externí odkaz:
https://doaj.org/article/8cb74ca712424b46addc63609816264b
Publikováno v:
IET Communications, Vol 16, Iss 1, Pp 75-83 (2022)
Abstract Code‐index modulation (CIM) uses the index of spreading code to convey information, which can be integrated with different kinds of MIMO systems to achieve higher throughput. This paper proposes a novel CIM‐integrated space time shift ke
Externí odkaz:
https://doaj.org/article/0e7f1f11aeeb41a5b2809c06d8b9cdf9
Publikováno v:
Sensors, Vol 23, Iss 5, p 2676 (2023)
Anomalous road manhole covers pose a potential risk to road safety in cities. In the development of smart cities, computer vision techniques use deep learning to automatically detect anomalous manhole covers to avoid these risks. One important proble
Externí odkaz:
https://doaj.org/article/1466516890e54334b57211f13c2fa2fd
Publikováno v:
Remote Sensing, Vol 14, Iss 15, p 3765 (2022)
The class imbalance problem has been reported to exist in remote sensing and hinders the classification performance of many machine learning algorithms. Several technologies, such as data sampling methods, feature selection-based methods, and ensembl
Externí odkaz:
https://doaj.org/article/dd7c0752a057404992c4ccbcb9a0585b