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Category: Engineering
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Ergodic secrecy rate and outage probability in NOMA IRS massive MIMO networks with jamming
A downlink NOMA transmission system consists of a BS equipped with M massive MIMO antennas, serving two types of users: near users (\(U_n\)) and far users (\(U_f\)), each with a single antenna. In this setup, the far user is considered untrusted…
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Reinforcing polyvinyl alcohol with corn stover-derived nanofibrillated cellulose for improved mechanical and barrier properties
Amara, C., El Mahdi, A., Medimagh, R. & Khwaldia, K. Nanocellulose-based composites for packaging applications. Curr. Opin. Green. Sustainable Chem. 31, 100512 (2021).
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Probabilistic evaluation of combination rules for seismic response prediction of horizontally curved RC bridges under varying earthquake incidence angles
The seismic responses of key structural elements (columns and abutments) are evaluated in this section. Figure 11 shows example time-history responses of an abutment and the middle column (in both tangential and radial directions) for a curved…
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A framework for assessing grey multitasking effectiveness of satellite communication constellation
Parameter solving for functional modules
The satellite communication constellation encompasses four primary functions—communication, Data Collection, Broadcast, and Fog Processing—comprising 26 functional modules, each with a distinct…
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Improvement of medical images with multi-objective genetic algorithm and adaptive morphological transformations
In this section, to evaluate the effectiveness of the new method presented in this article, we compare it with some other improvement techniques:
HE4, BBHE5, DSIHE6, MMBEBHE7, RSESIHE8, DOTHE9, GAAHE30.
Al-Shamasneh et al.24, Raghunandan et al.25,…
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Battery management in IoT hybrid grid system using deep learning algorithms based on crowd sensing and micro climatic data
Sarker, E. et al. Progress on the demand side management in smart grid and optimization approaches. Int. J. Energy Res. 45(1), 36–64 (2020).
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Hashmi, S. A., Ali, C. F. & Zafar,…
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Effect of hardness matching of aero spline sub-materials on wear performance
Coefficient of friction
The coefficient of friction at the time of testing also fluctuates significantly in tests with different Hi/He. These fluctuations are attributable to variations in the size of the area of the contact surface between the…
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Autonomous eVTOL with 600-mile range can carry military cargo
A California-based company has successfully conducted an autonomous cargo flight demonstration. The flight test for the U.S. Air Force aims to expedite logistics services and operate autonomous, hybrid-electric vertical takeoff and landing…
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China’s BYD launches hybrid EV with 1,243-mile range, LFP battery
Chinese auto giant BYD has launched its latest plug-in hybrid station wagon—dubbed Seal 06 DM-i—in the domestic market at a starting price of $15,230 (109,800 yuan). The new Seal 06 DM-i wagon has a mixed driving range of 1,243 miles, fuel…
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