Results 21 to 30 of about 4,379,506 (252)
Communication Technology of Far-Sea Cross-Domain Buoys Based on High Frequency Sky-Wave Propagation
水下无人系统学报High frequency(HF) sky-wave propagation is limited by the working frequency, and the antenna size meeting high gain and adapting to high sea conditions is large, so the application scenario is seriously limited.
Longzhong XIAO +3 more
doaj +1 more source
IEEE Access, 2019 The shipping market, a major component of the global economy, is characterized by high risk and volatility. The Baltic dry index is an influential indicator in the world shipping market and international trade.
Xin Zhang +2 more
doaj +1 more source
Long-Range Acoustic Communication Using Differential Chirp Spread Spectrum
Applied Sciences, 2020 Here, we propose a new modulation method using chirp spread spectrum (CSS) modulation to indicate the result of long-range acoustic communication (LRAC).
Joohyoung Lee +3 more
doaj +1 more source
Non-Satellite Broadband Maritime Communications for e-Navigation Services
IEEE Access, 2021 The development of broadband network access technologies available to users on land has triggered a rapid expansion of a diverse range of services provided by terrestrial networks.
Michal Hoeft +4 more
doaj +1 more source
Biomass DNA: An Emerging Building Block for Advanced Materials
Advanced Materials, EarlyView.Biomass DNA is rapidly emerging from its traditional role as a genetic blueprint to serve as a versatile abundant, highly programmable polymeric building block. This review highlights the transformation of macroscopic bulk biomass DNA into next generation of functional materials, spanning from dynamic hydrogels, sustainable bioplastics, and high ...
Yuwei Hu, Itamar Willner, Li Niu
wiley +1 more source
ESABALT Improvement of Situational Awareness in the Baltic with the Use of Crowdsourcing [PDF]
TransNav, 2015 This paper presents the key assumptions and preliminary research on an integrated system called ESABALT, for enhancing maritime safety, which incorporates the latest technological advances in positioning, e-Navigation, Earth observation systems and multi-
Sarang Thombre +8 more
doaj +1 more source
The Irish Maritime Transport Economist Volume 2 [PDF]
, 2005 The Irish Maritime Transport Economist (IMTE) aims to provide Irish companies involved in International trade with a single journal that provides and collates relevant statistical economic, trade, traffic and shipping market information. The focus of the
Irish Maritime Development Office
core
Advanced Materials Technologies, EarlyView.This review summarizes moisture‐adaptive strategies that enable triboelectric nanogenerators (TENGs) to operate across diverse moisture conditions. It examines moisture‐management methods, including exclusion, directional transport, removal, and utilization, with charge‐regulation approaches based on interfacial, dielectric, and structural engineering.
Junzhe Gan +4 more
wiley +1 more source
Maritime Communications in RIS System for Inland Navigation [PDF]
TransNav, 2015 The article presents the VHF communications system architecture for inland navigation within the area of operation of the RIS-PL Centre. The author has described the communication system modules used in the RIS on the Lower Oder stretch and presented the
Andrzej Lisaj
doaj +1 more source
IEEE Access, 2023 The performance of underwater acoustic communication is significantly affected by multipath propagation and Doppler spread. In this paper, we propose a new communication technique called overlapped chirp spread carrier (OCSC) by modifying the existing ...
Chang-Hyun Youn +3 more
doaj +1 more source