Zobrazeno 1 - 10
of 39
pro vyhledávání: '"Zhenghuan Xia"'
Autor:
Xin LIU, Haibin ZHU, Zongqiang LIU, Changhu XUE, Yaxin MU, Xiaodong QU, Shengbo YE, Zhenghuan XIA, Guangyou FANG
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 747-760 (2024)
Through-wall radar systems with single transmitter and receiver have the advantages of portability, simplicity, and independent operation; however, they cannot accomplish two-dimensional (2D) localization and tracking of targets. This paper proposes
Externí odkaz:
https://doaj.org/article/2a668e17651a4b14ab1d7fd60bf681cc
Autor:
Zhenxing Xu, Qijia Dong, Shenyang Li, Fuzhan Yue, Meng Wang, Zhenghuan Xia, Xiao Chen, Shuangna Zhang, Guoji Zou, Huizheng Wang
Publikováno v:
Remote Sensing, Vol 16, Iss 11, p 1913 (2024)
Global navigation satellite system (GNSS) array antenna receivers are widely used to suppress wideband interference in navigation countermeasures. However, existing array antenna receivers all adopt a digital array structure and digital beamforming t
Externí odkaz:
https://doaj.org/article/47e68b72950441d0aca100fad6dd1ac2
Publikováno v:
Journal of Marine Science and Engineering, Vol 12, Iss 2, p 228 (2024)
This paper designed a Generative Adversarial Network (GAN)-based super-resolution framework for scatterometer ocean surface wind speed (OSWS) mapping. An improved GAN, WSGAN, was well-trained to generate high-resolution OSWS (~1/64 km) from low-resol
Externí odkaz:
https://doaj.org/article/731e564b4a5b4e9eb1fe0230bb86fe2e
Publikováno v:
Remote Sensing, Vol 15, Iss 18, p 4519 (2023)
The GNSS-S radar utilizes the signals of a global navigation satellite system (GNSS) to carry out target detection. Due to the very low power of GNSS signals, long-term accumulation is needed to improve the gain of the echo signals. However, when it
Externí odkaz:
https://doaj.org/article/8ff543e3fe3d439b93febb92d0b59341
Autor:
Wenning Gao, Fuzhan Yue, Zhenghuan Xia, Xin Liu, Chuang Zhang, Zongqiang Liu, Shichao Jin, Yao Zhang, Zhilong Zhao, Tao Zhang, Ying Zhang
Publikováno v:
Remote Sensing, Vol 15, Iss 4, p 969 (2023)
Navigation satellite signals have the advantages of all-day, all-weather, and global coverage, and the use of navigation signals for the detection of moving targets has significant application prospects. However, the GNSS signal is very weak, and the
Externí odkaz:
https://doaj.org/article/1753cc29c5034f3f93bd55ab1ce684c0
Autor:
Chuang Zhang, Yaxin Mu, Zhenghuan Xia, Shichao Jin, Fuzhan Yue, Xin Liu, Lanqing Zhang, Zhixin Tian, Zongqiang Liu, Yao Zhang, Wenning Gao, Tao Zhang, Zhilong Zhao, Ying Zhang
Publikováno v:
Remote Sensing, Vol 15, Iss 1, p 80 (2022)
Non-imaging radar can achieve the detection and localization of moving targets, but it faces difficulties in the classification of targets. Aiming for the application of moving target classification by low/medium resolution non-imaging radar, this pa
Externí odkaz:
https://doaj.org/article/07613227a0b84edabe99561611f421bf
Autor:
Zhenghuan Xia, Shichao Jin, Fuzhan Yue, Jian Yang, Qingjun Zhang, Zhilong Zhao, Chuang Zhang, Wenning Gao, Tao Zhang, Yao Zhang, Xin Liu, Tao Peng
Publikováno v:
Applied Sciences, Vol 12, Iss 10, p 4848 (2022)
In order to reduce the complexity of the receiving system for wideband signals, a novel space-borne high-resolution synthetic aperture radar (SAR) system with the non-uniform hybrid sampling technology is proposed in this paper. The non-uniform hybri
Externí odkaz:
https://doaj.org/article/a6396e41945a420e95989f37c7bcec21
Publikováno v:
IEEE Access, Vol 7, Pp 51417-51425 (2019)
This paper presents a novel tri-band antenna with dual polarizations and shared aperture. The proposed antenna operates at L-, S-, and X-bands with an approximate frequency ratio of 1:1.9:5.5. Three types of radiation elements resonating at different
Externí odkaz:
https://doaj.org/article/cd2cd9086e804defa177f3109153c75b
Publikováno v:
Applied Sciences, Vol 11, Iss 22, p 10538 (2021)
In personnel rescue applications, considerable attention has been paid to the positioning method of living persons. Especially, the effective vital sign searching is urgently required. This work presents an effective multiple-observation-points-based
Externí odkaz:
https://doaj.org/article/f229d7bec08443c4ab3900347ef2e1e3
Publikováno v:
Journal of Electrical and Computer Engineering, Vol 2015 (2015)
Low-frequency coded ground penetrating radar (GPR) with a pair of wire dipole antennas has some advantages for deep detection. Due to the large distance between the two antennas, the synchronization design is a major challenge of implementing the GPR
Externí odkaz:
https://doaj.org/article/1ac851045ce6455ab8ba16368b2f780a