Results 31 to 40 of about 7,286 (186)

Effect of Repeated Processing Passes during Ultrasonic Rolling on Fatigue Performance and Corrosion Resistance of Ti6Al4V Alloy

Metals, 2023
Ultrasonic surface rolling processing (USRP) is a new method to improve the fatigue performance of titanium alloy, and repeated processing pass is an important factor that affects its strengthening effect.
Shuaixing Wang, Tianjian Yu, Zhiwei Pang, Xiaole Yin, Xiaohui Liu   +4 more
doaj   +1 more source

A strategy for synergistically enhancing mechanical and antibacterial properties of copper-bearing high-entropy alloys: Surface nanocrystallization

Journal of Materials Research and Technology
Ultrasonic Surface Rolling Process (USRP) enhances the mechanical properties of metals through severe plastic deformation and surface nanocrystallization.
S.Y. Chen, X.W. Ding, S.G. Wan, P.P. Min, H.Y. Liu, M.X. Xu, L.L. Ni, Y.F. Jia, J.Q. Shen, Q.G. Yang   +9 more
doaj   +1 more source

UAV Air-to-Ground Channel Characterization for mmWave Systems

, 2017
Communication at mmWave bands carries critical importance for 5G wireless networks. In this paper, we study the characterization of mmWave air-to-ground (AG) channels for unmanned aerial vehicle (UAV) communications.
Guvenc, Ismail, Khawaja, Wahab, Ozdemir, Ozgur   +2 more
core   +1 more source

Experimental Evaluation of RF Waveform Designs for Wireless Power Transfer Using Software Defined Radio

IEEE Access, 2021
The possibility to harvest energy from ambient radio-frequency (RF) sources has intrigued humankind for the past several decades. In this context, there has been a tremendously growing research interest in the field of wireless power transfer (WPT) using
Sumit Gautam, Sumit Kumar, Symeon Chatzinotas, Bjorn Ottersten   +3 more
doaj   +1 more source

Network-Coded Multiple Access [PDF]

, 2013
This paper proposes and experimentally demonstrates a first wireless local area network (WLAN) system that jointly exploits physical-layer network coding (PNC) and multiuser decoding (MUD) to boost system throughput. We refer to this multiple access mode
Lizhao You, Lu Lu, Soung Chang Liew, Student Member   +3 more
core   +2 more sources

Effect of corrosion on the fatigue damage behavior of M50 steel treated by ultrasonic surface rolling process

Journal of Materials Research and Technology
Ultrasonic surface rolling process (USRP) can improve the fatigue performance of M50 steel, but corrosion during service may affect the anti-fatigue performance.
Shuaixing Wang, Shujing Liu, Yongquan Li, Tianjian Yu, Xiaohui Liu, Nan Du   +5 more
doaj   +1 more source

Implementation of Polar Codes in 5G Systems with Different Waveform Modulations by Using USRP

Sakarya Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2019
Long Term Evolution(LTE) is an access technique that is used in radio networks. LTE provides highdata bandwidth in transmitting data by providing flexibility against noise andinterference.
Marwan Dhuheir, Sıtkı Öztürk
doaj   +1 more source

Wi-Fi Teeter-Totter: Overclocking OFDM for Internet of Things

, 2018
The conventional high-speed Wi-Fi has recently become a contender for low-power Internet-of-Things (IoT) communications. OFDM continues its adoption in the new IoT Wi-Fi standard due to its spectrum efficiency that can support the demand of massive IoT ...
He, Shiyue, Jiang, Tao, Wang, Wei, Yang, Lin, Zhang, Qian   +4 more
core   +1 more source

Passive ionospheric radar builds with USRP N210 [PDF]

Journal of Electrical Engineering, 2019
Abstract This paper presents first results and test of passive detection of Digisonde signal obtained at the Průhonice station, Czech Republic. Described technique can be used to analyze signals transmitted by the Digisonde and further received by simple loop antenna.
Luboš Rejfek, Daniel Kouba, Zbyšek Mošna, Petra Koucká Knížová, Phuong T. Tran, Chau Si-Thien Dong   +5 more
openaire   +1 more source

Development of universal software radio peripheral amplifier for underwater acoustic platform using software defined radio [PDF]

, 2010
First and foremost, the development of a modem using the USRP has applications in oceanographic monitoring and communication. Improved acoustic connecting would allow more efficient transfer of information between Underwater Acoustic (UWA) equipment such
Kalash, Haydar Sabeeh
core