Zobrazeno 1 - 10
of 64
pro vyhledávání: '"Zhaoyang Qiu"'
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2023, Iss 1, Pp 1-18 (2023)
Abstract Blind receiver technologies for paired carrier multiple access (PCMA) signals have always been a challenging task with many technical difficulties, among which the estimation of modulation parameters is a fundamental but important element. D
Externí odkaz:
https://doaj.org/article/82c7f76b838b45b287fc5be9532ad4cd
Publikováno v:
Sensors, Vol 24, Iss 2, p 688 (2024)
The rapid development of wireless communication technology has led to an increasing number of internet of thing (IoT) devices, and the demand for spectrum for these devices and their related applications is also increasing. However, spectrum scarcity
Externí odkaz:
https://doaj.org/article/49f391141a5542b6abfe86a291ecac96
Publikováno v:
EURASIP Journal on Advances in Signal Processing, Vol 2022, Iss 1, Pp 1-22 (2022)
Abstract The modulated sampling scheme can intercept noncooperative signals distributed in a wide frequency band by using a single receiving channel, which is an efficient architecture in many radar and communication applications. The modulated sampl
Externí odkaz:
https://doaj.org/article/da92cec98b69475fb96bf5f3a299021e
Publikováno v:
Annals of General Psychiatry, Vol 21, Iss 1, Pp 1-11 (2022)
Abstract Background Over the past decade, increasing attention has been paid on post stroke suicide (PSS), which is one of complications of stroke. The rates of stroke and suicide are relatively high, especially in Asian populations. Thus, a deeper u
Externí odkaz:
https://doaj.org/article/a6a4b54aadd54344a0cb0f5c98c830d5
Publikováno v:
IET Radar, Sonar & Navigation, Vol 15, Iss 5, Pp 456-470 (2021)
Abstract Frequency shift keying (FSK) signal has been widely used in modern radar systems. To intercept the FSK radar signal with a high interception probability, radar reconnaissance receiver should have an ultra‐wideband receiving ability. The Ny
Externí odkaz:
https://doaj.org/article/6561d1f60af9451fadbc034fc8e56059
Publikováno v:
Electronics Letters, Vol 57, Iss 20, Pp 785-787 (2021)
Abstract In practical applications, communication emitters are often carried by low orbit satellites aircraft, ships, and other moving carriers. Doppler phenomenon usually exists due to the relative motion between the emitter and the receiver, which
Externí odkaz:
https://doaj.org/article/840c5686a27f4b0e9bc50fcbbbd74aa8
Autor:
Han Wu, Huina Song, Jianhua Huang, Hua Zhong, Ronghui Zhan, Xuyang Teng, Zhaoyang Qiu, Meilin He, Jiayi Cao
Publikováno v:
Remote Sensing, Vol 14, Iss 20, p 5181 (2022)
The proliferation of massive polarimetric Synthetic Aperture Radar (SAR) data helps promote the development of SAR image interpretation. Due to the advantages of powerful feature extraction capability and strong adaptability for different tasks, deep
Externí odkaz:
https://doaj.org/article/eb53effacde547b19794647804a7f064
Publikováno v:
IEEE Access, Vol 7, Pp 125700-125710 (2019)
Direct sequence spread spectrum (DSSS) signals are widely used in various military and civilian communication systems. It adopts the pseudorandom (PN) sequence to modulate baseband signal before transmission, leading to some unique and useful propert
Externí odkaz:
https://doaj.org/article/1461bd7decd94369a5c439d4b114fb86
Autor:
Lei Qiao, Gang Chen, Wanlin Gong, Xuesi Cai, Erxiao Liu, Mingkun Su, Xuyang Teng, Zhaoyang Qiu, Huina Song
Publikováno v:
Remote Sensing, Vol 14, Iss 2, p 392 (2022)
The Wuhan Ionospheric Oblique Backscatter Sounding System (WIOBSS) was applied as a bistatic radar to record the ionospheric E-region responses to a solar eclipse on 22 July 2009. The transmitter was located in Wuhan and the receiver was located in H
Externí odkaz:
https://doaj.org/article/69ef57d83ec54e52b13d79dcdb700df1
Autor:
Zhaoyang Qiu, Yanbin Tang
Publikováno v:
Entropy, Vol 22, Iss 1, p 42 (2019)
In this paper, we consider the existence of local smooth solution to stochastic magneto-hydrodynamic equations without diffusion forced by additive noise in R 3 . We first transform the system into a random system via a simple change of variable and
Externí odkaz:
https://doaj.org/article/357084f8e1be436283b29b736375df13