Results 11 to 20 of about 30,494 (169)
Narrow band space scanning two-dimensional linear frequency diverse array radar
The Journal of Engineering, 2019 Two–dimensional (2D) linear frequency diverse array (FDA) concept is extended to scan a 2D wide angular sector. This is achieved by highly unequal frequency increments in orthogonal 2D directions of the array.
Ramazan Çetiner, Altunkan Hizal
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Sensors, 2023 A new method is derived for finding the best positions in which to locate the sensors in a distributed sensor network in order to achieve a desired variation, or pattern, in spatial coverage over a specified domain.
Russell Costa, Thomas A. Wettergren
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Finite Element Modeling of K-Monel Bolts under Static Loading and Dynamic Shock Loading
Shock and Vibration, 2013 The Naval Undersea Warfare Center has funded a project to investigate the accuracy of various bolt models used to represent actual shipboard bolted connections within an analytical shock survivability assessment.
Kevin Behan +3 more
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Journal of Imaging, 2020 Despite the numerous band selection (BS) algorithms reported in the field, most if not all have exhibited maximal accuracy when more spectral bands are utilized for classification.
Ruben Moya Torres +5 more
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SYNERGY OF MULTI-STAKEHOLDERS IN DEFENDING INDONESIA FROM CYBER THREATS
Journal of Social Political Sciences, 2021 This paper argues that currently the threat of cyber-attacks has become a real threat that has the potential to develop in Indonesia. With the presence of these cyber-attacks, the government must take advantage of the synergy between state multi-stake ...
Aththaariq Rizki +1 more
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Analysis of Mobile Malware: A Systematic Review of Evolution and Infection Strategies
Journal of Information Security and Cybercrimes Research, 2021 The open-source and popularity of Android attracts hackers and has multiplied security concerns targeting devices. As such, malware attacks on Android are one of the security challenges facing society.
Ashawa Moses, Sarah Morris
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Fin Whale Song Patterns Shift Over Time in the Central North Pacific
Frontiers in Marine Science, 2020 Male fin whales sing by producing 20 Hz pulses in regular patterns of inter-note intervals. While singing, fin whales may also alternate the frequency ranges of their notes.
Tyler A. Helble +5 more
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Frontiers in Physiology, 2022 Background: The United States Air Force Special Warfare Training Wing (SWTW) administers a comprehensive physical fitness test to active duty Airmen entering the Special Warfare training pipeline.
W. Casan Scott +7 more
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IEEE Access, 2022 In the modern war with complex and changeable electromagnetic environment, Specific Emitter Identification (SEI) is an important and difficult problem, which is of great significance in obtaining intelligence information, identifying ourselves or foe ...
Mingdi Li +4 more
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Energies, 2021 This article describes the effect of high-power electromagnetic environments (HPEMs) on the operation of all basic elements of electrical power networks. Frequency bands are defined for the HPEM environments. Attention is focused particularly on directed
Libor Dražan +2 more
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