Zobrazeno 1 - 10
of 181
pro vyhledávání: '"Jianxin YI"'
A Track Initiation Method for FM-based Passive Radar Network Based on Multiple Elementary Hypotheses
Publikováno v:
Leida xuebao, Vol 13, Iss 3, Pp 601-612 (2024)
Passive radars based on FM radio signals have low detection probability, high false alarm rates and poor accuracy, presenting considerable challenges to target tracking in radar networks. Moreover, a high false alarm rate increases the computational
Externí odkaz:
https://doaj.org/article/6887bb53d8944bed8b710ab609530ea8
Publikováno v:
Leida xuebao, Vol 13, Iss 1, Pp 160-173 (2024)
Orthogonal Frequency Division Multiplexing (OFDM) waveform design is one of the key physical layer technologies for achieving joint radar-communication. OFDM waveforms usually have issues with high Peak to Average Power Ratio (PAPR) and high waveform
Externí odkaz:
https://doaj.org/article/5429c92a51544daea6ee704742c9fe31
Publikováno v:
Digital Communications and Networks, Vol 9, Iss 3, Pp 757-768 (2023)
In cellular systems, establishing the initial symbol timing of potential preambles is the first step of a cell search. The envelope fluctuation of the downlink signal hinders the successful timing of conventional symbol timing methods. To solve this
Externí odkaz:
https://doaj.org/article/0ad5afe4fa4a4392aa79a70db2ab2976
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-9 (2023)
Abstract Highly efficient gas sensors able to detect and identify hazardous gases are crucial for numerous applications. Array of conventional single-output sensors is currently limited by problems including drift, large size, and high cost. Here, we
Externí odkaz:
https://doaj.org/article/3fde4cd7fc4749d287146bfa9346c65c
Publikováno v:
Leida xuebao, Vol 11, Iss 5, Pp 794-804 (2022)
Micro-motion clutter typically exhibits significant Doppler broadening, raises the noise floor, and annihilates weak targets, resulting in false alarms and missed detections. Removing micro-motion clutter effectively is critical to improving radar pe
Externí odkaz:
https://doaj.org/article/bef059cffb00485da0b89fc928cbfdf9
Autor:
Liang Wang, Jianxin Yi
Publikováno v:
Chemosensors, Vol 11, Iss 4, p 250 (2023)
Monitoring the concentration of hydrogen is very important as it is a flammable and explosive gas. Non-Nernstian potentiometric hydrogen sensors hold promising potentials for the sensitive detection of hydrogen. This paper reports the improved H2-sen
Externí odkaz:
https://doaj.org/article/55914766362d43d2b4e4975de8dca4c8
Autor:
Xianrong WAN, Jianxin YI, Weijie ZHAN, Deqiang XIE, Kan SHU, Jiale SONG, Feng CHENG, Yunhua RAO, Ziping GONG, Hengyu KE
Publikováno v:
Leida xuebao, Vol 9, Iss 6, Pp 939-958 (2020)
Given the functions and performance advantages of passive radar, this paper first reviews the research history of passive radar for more than 80 years and then examines the research progress of related key technologies, including reference signal rec
Externí odkaz:
https://doaj.org/article/614bd76e84374d5bada598c475b0d728
Publikováno v:
Leida xuebao, Vol 9, Iss 6, Pp 967-973 (2020)
This article presents experimental results of target detection using a miniaturized multichannel passive radar system that exploits Long Term Evolution (LTE) signals. First, the advantages of LTE signals are discussed with respect to their ambiguity
Externí odkaz:
https://doaj.org/article/1abbc5a3df23412b8f34e9c0c75ac0d4
Publikováno v:
IEEE Access, Vol 8, Pp 74024-74038 (2020)
The robust reconstruction of the reference signal is one of the key technologies in passive radars. This paper investigates the reference signal reconstruction problem for digital television terrestrial multimedia broadcasting (DTMB)-based passive ra
Externí odkaz:
https://doaj.org/article/3522fca90706431b9d852df0df6864bb
Publikováno v:
IEEE Access, Vol 6, Pp 33542-33551 (2018)
Digital television signals are attractive illuminations of opportunity for the passive radars in the field of low altitude and slow speed target detection. The digital television standard permits reconstruction of a reference signal using the receive
Externí odkaz:
https://doaj.org/article/b5b4b2f9735e444a9873f681aa7be6e9