Results 71 to 80 of about 4,717 (267)

Engaging the public in plant science: Communication facilitators and barriers of scaling up a citizen science campaign

open access: yesPeople and Nature, EarlyView.
Abstract Volunteers have been involved in nature observations for decades through citizen science initiatives, providing large data sets as well as problem identification that allow a more complete understanding of many natural phenomena. Although communication is a core component in citizen science, the key factors that determine its effectiveness in ...
Kristiina Gibson   +18 more
wiley   +1 more source

From DVB-S to DVB-S2X: Progress in Standardization of Digital Satellite Broadcasting Systems

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника
Introduction. The article presents a brief history of the European and international standardization process in the field of digital video broadcasting (DVB) systems as applied to satellite broadcasting. The advantages of new systems are considered.
K. Yu. Kolomensky   +2 more
doaj   +1 more source

Internal Structure, Kinematics, and Prehistory of Frozen Debris Lobe‐A (FDL‐A), Brooks Range, Alaska

open access: yesPermafrost and Periglacial Processes, EarlyView.
ABSTRACT Frozen Debris Lobe‐A (FDL‐A)—one of hundreds of FDLs in the Brooks Range of northern Alaska—is a slow‐moving landslide in permafrost that has been the subject of research since 2008 due to its close proximity to the Dalton Highway. Here, we synthesize more than a decade's worth of climate and surface measurements of monitored FDLs, and the ...
Margaret M. Darrow   +2 more
wiley   +1 more source

Deep Reinforcement Learning Based Autonomous Decision‐Making for Cooperative Uncrewed Aerial Vehicles: A Search and Rescue Real World Application

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT This paper presents the first end‐to‐end framework that combines guidance, navigation, and centralized task allocation for multiple UAVs performing autonomous search‐and‐rescue (SAR) in GNSS‐denied indoor environments. A twin delayed deep deterministic policy gradient controller is trained with an artificial potential field (APF) reward that ...
Thomas Hickling   +3 more
wiley   +1 more source

Multilevel transmission scheme for wireless broadcasting system

open access: yesTongxin xuebao, 2009
A multilevel transmission scheme was developed to take full advantage of the transmission channel capacity and meet the requirements of different users and different types of receiving equipments.In this scheme,broadcasting datas were divided into ...
SUN Xiang-tao1, GONG Ke2
doaj   +2 more sources

Effectiveness Assessment of Underwater Area Cruise Based on the ADC Method

open access: yesJournal of Field Robotics, EarlyView.
ABSTRACT Underwater area surveillance plays a crucial role in upholding national security, safeguarding strategic interests, and mitigating potential threats. Despite its significance, a notable gap persists in the availability of comprehensive models for assessing its effectiveness.
Qingwei Liang   +3 more
wiley   +1 more source

The Impact of AI Avatars and Voice Synthesis on Editorial Content and Audience Response: Evidence from UATV English

open access: yesНаукові записки інституту журналістики
The rapid integration of artificial intelligence technologies into news production has introduced new opportunities and challenges for the international broadcasting network of Ukraine.
Yurii Bondar, Pavlo Shtelmakh
doaj   +1 more source

Digital Twin‐Based Optimization of Service Availability in LEO Mega Constellations Considering Handover Delays in Open RAN

open access: yesInternational Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT As non‐terrestrial networks (NTNs) become integral to future 6G systems, ensuring seamless connectivity and service continuity over low Earth orbit (LEO) satellite constellations is essential. This work investigates the impact of open radio access network (RAN) functional splits on handover performance in NTNs, focusing on minimizing service ...
Siva Satya Sri Ganesh Seeram   +3 more
wiley   +1 more source

User privacy prevention model using supervised federated learning‐based block chain approach for internet of Medical Things

open access: yesCAAI Transactions on Intelligence Technology, EarlyView., 2023
Abstract This research focuses on addressing the privacy issues in healthcare advancement monitoring with the rapid establishment of the decentralised communication system in the Internet of Medical Things (IoMT). An integrated blockchain homomorphic encryption standard with an in‐build supervised learning‐based smart contract is designed to improvise ...
Chandramohan Dhasarathan   +7 more
wiley   +1 more source

FRANCE’S INTERNATIONAL BROADCASTING SYSTEM: FROM COLONIALISM TO FRANCOPHONIE

open access: yesІнтегровані комунікації
The article characterizes international broadcasting as a foreign policy instrument of the French Republic and its transformation in a geopolitical context.
Vitaliy Tereshchuk
doaj   +1 more source

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