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Wyniki wyszukiwania dla: speed of sound in seawater

Wyniki wyszukiwania dla: speed of sound in seawater

  • Tagged images with LEGO bricks - Windscreens and Fuselage

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Windscreens and Fuselage category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Bricks Special

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Bricks Special category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Bricks

    Dane Badawcze
    wersja 1.3 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Bricks category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Beams

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Beams category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Pins

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Pins category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Minifig Accessories

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Minifig Accessories category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Plates

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Plates category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Panels

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Panels category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Pneumatics

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Pneumatics category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Bricks

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Bricks category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Gears

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Gears category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Panels

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Panels category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Bushes

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Bushes category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Transportation - Sea and Air

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Transportation - Sea and Air category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Bionicle Hero Factory and Constraction

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Bionicle Hero Factory and Constraction category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Tiles Round and Curved

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Tiles Round and Curved category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Hinges Arms and Turntables

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Hinges Arms and Turntables category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Plates Angled

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Plates Angled category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Windows and Doors

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Windows and Doors category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Plates Special

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Plates Special category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Connectors

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Connectors category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Beams Special

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Beams Special category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Bricks Curved

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Bricks Curved category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Tiles Special

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Tiles Special category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Transportation - Land

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Transportation - Land category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Plates Round Curved and Dishes

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Plates Round Curved and Dishes category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Bricks Wedged

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Bricks Wedged category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Axles

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Axles category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Bars Ladders and Fences

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Bars Ladders and Fences category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Steering Suspension and Engine

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Steering Suspension and Engine category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Bricks Round and Cones

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Bricks Round and Cones category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Technic Special

    Dane Badawcze
    wersja 1.2 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Technic Special category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • Tagged images with LEGO bricks - Plants and Animals

    Dane Badawcze
    wersja 1.1 open access - seria: LEGO - partial

    The set contains images of LEGO bricks (from Plants and Animals category). The images were prepared for training neural network for recognition and labeling of LEGO bricks. The images contain one brick each. The images were taken from different sides by handheld camera hovering over the bricks lying on a white, non reflective surface.

  • An in-depth look at the tire rubber hardness influence on tire/road noise measurements

    Publikacja

    - Rok 2018

    When assessing the acoustic quality of a road pavement with the close-proximity (CPX) or the on-board sound intensity (OBSI) method, the rubber hardness of the reference tire substantially affects the measurement. Practical experience shows that measurement tires can get significantly harder within a single measurement season. This is why one would like to normalize measurements to a reference rubber hardness. The recently published...

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  • Improving the quality of speech in the conditions of noise and interference

    Publikacja

    The aim of the work is to present a method of intelligent modification of the speech signal with speech features expressed in noise, based on the Lombard effect. The recordings utilized sets of words and sentences as well as disturbing signals, i.e., pink noise and the so-called babble speech. Noise signal, calibrated to various levels at the speaker's ears, was played over two loudspeakers located 2 m away from the speaker. In...

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  • Propagation of Acoustic Disturbances in Shallow Sea

    Publikacja

    - Rok 2013

    Propagation of acoustic waves in shallow sea differs fundamentally from the same phenomenon occurring in deep sea in view of non-negligible distance from the sea bottom in the first case, where presence of two regions limiting the water layer results in the acoustic pressure distribution induced by a harmonic source has an interferential nature as a result of multi-path propagation of the acoustic signal. These interferential properties...

  • Automatic detection and correction of detuned singing system for use with query-by-humming applications

    Publikacja

    The aim of the paper is to present an idea of using the automatic detection and correction of detuned singing as a subsystem in query-by-humming (QBH) applications. The common approach to searching for a requested song basing on the melody retrieved from hummed pattern usually employs the so-called Parsons code or melody contour. In such a case information about sound pitch is discarded. It was thought out that an additional module...

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  • Creating a Remote Choir Performance Recording Based on an Ambisonic Approach

    The aim of this paper is three-fold. First, the basics of binaural and ambisonic techniques are briefly presented. Then, details related to audio-visual recordings of a remote performance of the Academic Choir of the Gdańsk University of Technology are shown. Due to the COVID-19 pandemic, artists had a choice, namely, to stay at home and not perform or stay at home and perform. In fact, staying at home brought in the possibility...

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  • Guanosine Dianions Hydrated by One to Four Water Molecules

    Publikacja
    • S. Makurat
    • Q. Yuan
    • J. Czub
    • L. Chomicz-Mańka
    • W. Cao
    • X. Wang
    • J. Rak

    - Journal of Physical Chemistry Letters - Rok 2022

    Intermolecular interactions such as those present in molecule···water complexes may profoundly influence the physicochemical properties of molecules. Here, we carried out an experimental–computational study on doubly deprotonated guanosine monophosphate···water clusters, [dGMP – 2H]2–·nH2O (n = 1–4), using a combination of negative anion photoelectron spectroscopy (NIPES) with molecular dynamics (MD) and quantum chemical (QM) calculations....

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  • Modeling an Industrial Revolution: How to Manage Large-Scale, Complex IoT Ecosystems?

    Publikacja
    • G. Kulcsar
    • P. Varga
    • M. S. Tatara
    • F. Montori
    • M. A. Inigo
    • G. Urgese
    • P. Azzoni

    - Rok 2021

    Advancements around the modern digital industry gave birth to a number of closely interrelated concepts: in the age of the Internet of Things (IoT), System of Systems (SoS), Cyber-Physical Systems (CPS), Digital Twins and the fourth industrial revolution, everything revolves around the issue of designing well-understood, sound and secure complex systems while providing maximum flexibility, autonomy and dynamics. The aim of the...

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  • Creating a more conscious built environment for day- and night-time setting through interdisciplinary collaboration

    Publikacja

    - Rok 2017

    The last decades have seen an increase in the speed, scale and scope of urbanisation, fundamentally shifting the character of the built environment and engendering a radical search for new and resilient design practices. Although we, as society, live in the age of technology, inventions and almost unlimited access to information, we rarely use these opportunities to our advantage to improve the quality of life. It seems that multidisciplinary...

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  • Safety Assessment of the Regional Warmia and Mazury Road Network Using Time-Series Analysis

    Publikacja

    - Rok 2017

    Warmia and Mazury still belongs to the areas with the smallest transport accessibility in Europe. Unsatisfactory state of road infrastructure is a major barrier to the development of the regional economy, impacting negatively on the life conditions of the population. Also in terms of road safety Warmia and Mazury is one of the most endangered regions in Poland. The Police statistics show that beside a high pedestrian risk observed...

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  • Improving Control Dynamics of PMSM Drive by Estimating Zero-Delay Current Value

    Dynamic performance of current control loop still remains crucial for position-, speed-, and torque-controlled drives. In the study, a current loop solution has been designed for field oriented control of permanent magnet synchronous motors (PMSM). It enhances typical PI controller with an estimator of zero-delay current (ZDC) value. The ZDC estimation allows for selecting substantially higher controller gain. It reduces control...

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  • THE INFLUENCE OF WSR PARAMETER ON PET BOTTLE THICKNESS PROFILE IN SBM FROM PREFORM PROCESS

    From a mechanical point of view, the thickness profile of PET bottles manufactured by ISBM process is determined by mechanical and thermal response of blown preforms. From the microscopic point of view the biggest influence on the mechanical and thermal properties of PET bottles have orientation and crystallization processes. From a technological point of view, the thickness profile of PET bottles after manufacture by SBM process...

  • 3D scanning system for railway current collector contact strips

    Undisturbed collection of current from a contact wire of the catenary constitutes one of the basic elements in reliable operation of electrified rail transport, particularly when vehicles move at high speed. Quality of current collection is influenced by the construction of catenary and current collectors, as well as by the technical condition and regulation of these two elements. Total contact force of a current collector head...

  • Construction of phylogenetic trees with topological constraints

    This paper proposes a method of reconstruction of phylogenetic trees based on heuristic search with topological constraints. Using topological constraints it is possible to reduce the set of solutions as well as to enforce that the result is consistent with a given hypothesis about the evolution process within some group of species. Along with this work a number of algorithms used for phylogenetic analysis were implemented. Those...

  • Multilevel model order reduction with generalized compression of boundaries for 3-d FEM electromagnetic analysis

    This paper presents a multilevel Model Order Reduction technique for a 3-D electromagnetic Finite Element Method analysis. The reduction process is carried out in a hierarchical way and involves several steps which are repeated at each level. This approach brings about versatility and allows one to efficiently analyze complex electromagnetic structures. In the proposed multilevel reduction the entire computational domain is covered...

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  • Hierarchical Estimation of Human Upper Body Based on 2D Observation Utilizing Evolutionary Programming and 'Genetic Memory'

    New method of the human body pose estimation based on single camera 2D observation is presented. It employs 3D model of the human body, and genetic algorithm combined with annealed particle filter for searching the global optimum of model state, best matching the object's 2D observation. Additionally, motion cost metric is employed, considering current pose and history of the body movement, favouring the estimates with the lowest...

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  • Road surface roughness estimation employing integrated position and acceleration sensor

    Publikacja

    Assessment of a surface quality being an essential task for the authorities supervising the roads provides the subject of the paper. Information about riding quality of a pavement, important for drivers, both in terms of their comfort and safety is collected during experiments employing mobile sensors. The paper describes the use of a miniature position and acceleration sensor for evaluation of the roughness of the road surface....

  • Experimental research on a hydrodynamic thrust bearing with hydrostatic lift pockets: Influence of lubrication modes on bearing performance

    Publikacja

    - TRIBOLOGY INTERNATIONAL - Rok 2022

    The aim of the study is to investigate the performance of a thrust bearing equipped with hydrostatic lift pockets under different lubrication modes. Three types of flat land bearing lubrication modes are studied experimentally: hydrostatic lubrication (HS; forced oil injection to the pockets), hybrid lubrication (HS + HD; hydrostatic lubrication combined with the external forced bearing oil supply) and hydrodynamic lubrication...

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