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  • Rural Digital Europe
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  • Authors: 
    Natalie Adelman; Jason Thekkekara; Nadxieli De La Rosa Perez; Briseida Palacios Perez; Marsella Kachingwe; Kate Glaccum;
    Publisher: Society of Exploration Geophysicists
  • Authors: 
    Dammar Adi Sujiansyah; Budi Syihabuddin; Khoirul Anwar; Nachwan Mufti Adriansyah;
    Publisher: IEEE

    The development of telecommunication generation is faster compared to the development of infrastructure in rural areas. This paper proposes an antenna having capability of multi-generation (MG) communications of 2G, 3G, 4G and 5G for rural area wireless communications. The antenna is also functioning for mobile cognitive radio base station (MCRBS) for post-disaster communications in either rural or urban areas. In this paper, the antenna is designed to work at the operating frequencies of 2G–5G in Indonesia, which are expected in between 0.8 GHz to 6 GHz. To cover any areas with radius of 5 km, we propose a Vivaldi antenna, called as MG-Vivaldi antenna, tested by a series of computer simulations, which is realized using aluminum with dimension of 50 cm × 100 cm. We obtain an MG-Vivaldi antenna having return loss RL ≤ −10 dB with gain G > 8 dB. We expect that the proposed MG-Vivaldi antenna contributes to the development of rural area communications as well as contributions for disaster mitigations.

  • Authors: 
    J.F. Marchan-Hernandez; M. Vall-llossera; Adriano Camps; Nereida Rodriguez-Alvarez; Isaac Ramos-Perez; Enric Valencia; Xavier Bosch-Lluis; Marco Talone; J.M. Tarongi; Maria Piles;
    Publisher: IEEE

    The reflections of Global Navigation Satellite systems such as GPS can be used to retrieve geophysical parameters. A promising application is to use them for the sea surface roughness-induced corrections in the brightness temperature to retrieve the Sea Surface Salinity. A tandem campaign to obtain simultaneous radiometer and reflectometer data has been conducted on the North-West coast of the Gran Canaria Island (Canary Islands, Spain). The first results after processing the GNSS-R data are presented.

  • Publication . Conference object . 2008
    Authors: 
    Yanrong Zhang; Raymond J. Cipra;
    Publisher: ASMEDC

    Discretely actuated or digital robotic manipulators have become popular because they are highly repeatable, need no feedback control, and are relatively less expensive and lightweight compared to continuously actuated manipulators. This research investigates trajectory planning for discretely actuated manipulators within a static environment without obstacles and with known initial and final positions. In particular, the focus will be on minimizing oscillations of a path trajectory and minimizing the deviation from the ideal path, as well as minimizing the torque required to actuate each joint. Motion strategies are developed and their effect studied.

  • Authors: 
    Wang Lan;
    Publisher: IEEE

    In the knowledge-based economy, taking advantage of information technology is significant approach to innovate the traditional models of agricultural industrialization. This paper's aim is to propose an implementary framework on innovative agricultural industrialization models based on virtual industrial cluster theory. Firstly, it summarizes the traditional models of agricultural industrialization and introduces the virtual industrial cluster. Secondly, it proposes an innovative model using virtual business structure model of COSME(Cooperation for Small and Medium sized Enterprises) financed by EU's ALFA. Thirdly, it focuses on key issues and obstacles in the process of implementing the project.

  • Authors: 
    Zili Liu; Qing Wang; Wanlin Gao; Ganghong Zhang; Zhen Li; Lina Yu; Jin Wang;
    Publisher: IEEE

    On the base of studying and analyzing the Globus Toolkit2.4 platform and remote sensing technology, this article uses the grid platform Globus Toolkit2.4 and the mode of parallel processing, develops a method of geometric correction for processing remote sensing images based on grid. It provides an approach for solving problems caused by RS image’s characteristics of complexity and time consuming.

  • Publication . Conference object . Other literature type . 2019
    Closed Access
    Authors: 
    Ana Kutnjak; I. Pihiri; M. Tomicic Furjan;
    Country: Croatia

    Digital transformation (DT) has been introduced in all industries for improving the way of running business. Industries have embraced technology to different extents, as not all technologies can be equally implemented, even in semantically similar processes. This can be explained by the fact that the hype cycle of emerging technologies differently impacts industries from the time a concrete technology has been discovered and introduced, to the time when technology reaches its full potential of use in real processes, or so-called maturity. This paper presents a literature review on Digital transformation papers, which use the case study method in their researches and/or compare digital transformation case studies across different industries. The purpose of the analysis of case studies is to bring some light to real digital transformation processes and their success in practice. Analysed papers are selected from the Web of Science database based on content, industry and number of papers within it.

  • Authors: 
    Michael A. Powers;
    Publisher: SPIE

    This paper presents new experimental results from a prototype Spectral LADAR, which combines active multispectral and 3D time-of-flight point cloud imaging. The physical domain unification of these imaging modalities based on a pulse modulated supercontinuum source enables substantially higher fidelity images of obscured targets compared to the data domain fusion of passive hyperspectral cameras and conventional LADAR imagers. Spectral LADAR produces 3D spectral point clouds with unambiguously associated 3D image points and spectral vectors, promoting improved object classification performance in cluttered scenes. The 3D shape and material spectral signature of objects may be acquired in daylight or darkness, behind common glass, and behind obscurants such as foliage and camouflage. These capabilities are demonstrated by data obtained from test scenes. These scenes include plastic mine-like objects obscured by foliage, distinction of hazardous explosives inside plastic containers versus innocuous decoy materials, and 3D spectral imaging behind ordinary glass windows. These scenes, at effective ranges of approximately 40 meters, are imaged with nanosecond-regime optical pulses spanning 1.08 μm to 1.62 μm divided into 25 independently ranged spectral bands. The resultant point cloud is spectrally classified according to material type. In contrast to other active spectral imaging techniques, Spectral LADAR is well suited to operate at high pixel and frame rates and at considerable stand-off distances. A combination of favorable attributes, including eye safe wavelengths, relatively small apertures, and very short (single pulse) receiver integration time, bear the potential for this technique to be used on robotic platforms for on-the-move imaging and high area coverage rates.

  • Authors: 
    Marcelo Bassani de Freitas; George D. C. Cavalcanti; Robert Sabourin;
    Publisher: IEEE

    Smart environments possess devices that collaborate to help the user non-intrusively. One possible aid smart environment offer is to anticipate user's tasks and perform them on his/her behalf or facilitate the action completion. In this paper, we propose a framework that predicts user's actions by learning his/her behavior when interacting with the smart environment. We prepare the datasets and train a predictor that is responsible to decide whether a target transducer value should be changed or not. Our solution achieves a significant improvement for all target transducers studied and most combinations of parameters yields better results than the base case.

  • Publication . Conference object . 2005
    Authors: 
    G. Levrini;
    Publisher: IEEE

    The Advanced Terrain Tracking Altimeter (ATTA) Instrument is the new generation altimeter for the Earth Observation Preparatory Program (EOPP) of the European Space Agency (ESA). It is designed as a multimode adaptive instrument able to ensure full coverage of the Earth's surface, including land regions. Over oceans it is characterized by an accuracy better than 5 cm. including the correction of the errors due to the ionosphere and to the troposphere. Both these corrections will be performed by the instrument itself, without the need of any additional data from external sources. This marks a difference with the past approach (with respect to ERS-1, for instance) and enables to optimize the quality of the auxiliary data for altimeter measurement purposes. The adaptivity of the resolution over the different surfaces will be ensured by a digital chirp generator (DCG) which constitutes a major technological issue of the ATTA instrument. This paper gives a survey on one of the two contracts assigned in parallel to the industry to perform the feasibility study'.