Results 61 to 70 of about 590,410 (251)

Holographic communication using programmable coding metasurface

Nanophotonics
With rapid development of holography, metasurface-based holographic communication scheme shows great potential in development of adaptive electromagnetic function. However, conventional passive metasurfaces are severely limited by poor reconfigurability,
Zhang Fan, Wang Chaohui, Feng Weike, Liu Tong, Wang Zhengjie, Wang Yanzhao, Wang Mingzhao, Xu He-Xiu   +7 more
doaj   +1 more source

Between Hedging and Bandwagoning: E3 and Iran's Nuclear Program From the JCPOA to the 2026 “Ramadan War”

Global Policy, EarlyView.
ABSTRACT This article examines the evolution of the European Troika's narratives on Iran's nuclear program, from the aftermath of the JCPOA to the 2026 “Ramadan War.” Drawing on an analysis of 55 official statements by E3 leaders and diplomats, the study traces how the E3 shifted between a posture of normative hedging and one of bandwagoning.
Mohammad Eslami
wiley   +1 more source

Recent Developments in Missile Defense

, 2010
International audienceThis paper tracks the rapid worldwide ascent of missile defense in the last fewyears as well as its context, whether nuclear or otherwise.
Rubin, Uzi
core  

A Low-Profile Broadband Dual-Beam Folded Transmitarray Antenna

IEEE Open Journal of Antennas and Propagation
A novel folded transmitarray (FTA) integrating anomalous reflection and spin-decoupled methods is proposed to simultaneously realize arbitrary low profile and independent dual-circularly polarized (CP) beam control.
Hui Wang, Huiling Luo, Yanzhao Wang, Zhengjie Wang, Fan Zhang, Huanhuan Gao, Tong Liu, Yanzhang Shao, He-Xiu Xu   +8 more
doaj   +1 more source

Risk Scenarios for European Rearmament

Global Policy, EarlyView.
ABSTRACT Since Russia's invasion of Ukraine in 2022, the European Union has launched a flurry of initiatives to ramp up European defence spending. Efforts to bolster European defence have further intensified in response to the United States' increasingly hostile stance towards its erstwhile European allies.
Mette Eilstrup‐Sangiovanni
wiley   +1 more source

Russian Ballistic Missile Defense: Rhetoric and Reality [PDF]

, 2015
Russia\u27s actions in Ukraine are not the only challenge to relations with the United States. U.S. plans for ballistic missile defense (BMD) capability in Europe have led to aggressive rhetoric from Moscow, which continues at the time of this writing ...
Keir Giles, Giles, Keir, Mr.
core   +1 more source

ImagTIDS: an internet of things intrusion detection framework utilizing GADF imaging encoding and improved Transformer

Complex & Intelligent Systems
As the Internet of Things (IoT) technology becomes extensively deployed, IoT security issues are increasingly prominent. The traffic patterns of IoT are complex and high-dimensional, which makes it difficult to distinguish the tiny differences between ...
Peng Wang, Yafei Song, Xiaodan Wang, Xiangke Guo, Qian Xiang   +4 more
doaj   +1 more source

An Overview of the Rock Art of AlUla: Tracing Changes in Content and Form Across 12,000 Years of Human History

Arabian Archaeology and Epigraphy, EarlyView.
ABSTRACT Between 2018 and 2021, the Identification and Documentation of Immovable Heritage Assets (IDIHA) Project recorded over 19,000 rock art panels in the AlUla (al‐‘Ulā) region of north‐western Saudi Arabia. This study presents a chronological assessment of the corpus, drawing on superimpositions, datable motifs, inscriptions, and varnish formation,
Maria Guagnin, Laura Morabito, Hannah Leighton, Tahani AlMahmoud   +3 more
wiley   +1 more source

Modeling Bloons Tower Defense as a temporal two‐dimensional knapsack problem with irregular shapes and side constraints: integer programming–based approaches

International Transactions in Operational Research, EarlyView.
Abstract In Tower Defense (TD) games, the objective is to defend a specific point on the game map from mobile units by constructing towers with offensive capabilities. In this work, we focus on Bloons Tower Defense (Bloons TD), one of the earliest and most prominent TD games.
Maxence Delorme, Jakub Malinowski
wiley   +1 more source

Army Global Missile Defense Operations [PDF]

, 2023
Army Global Missile Defense Operations, United States Army Field Manual FM 3 ...
United States Army
core