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Search results for: basen kapielowy
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Expedited design of microstrip antenna subarrays using surrogate-based optimization
PublicationComputationally efficient simulation-driven design of microstrip antenna subarrays is presented. The proposed design approach aims at simultaneous adjustment of all relevant geometry parameters of the subarray, which allows us to take into account the effect of the feeding network on the subarray radiation pattern (in particular, the side lobe level, SLL). In order to handle a large number of variables involved in the design process,...
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Design of microstrip antenna subarrays: a simulation-driven surrogate-based approach
PublicationA methodology for computationally efficient simulation-driven design of microstrip antenna subarrays is presented. Our approach takes into account the effect of the feed (here, a corporate network) on the subarray side-lobe level and allows adjustment of both radiation and reflection responses of the structure under design within a single automated process. This process is realized as surrogate-based optimization that produces...
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Digital Fingerprinting Based on Quaternion Encryption Scheme for Gray-Tone Images
PublicationIn this paper a new idea of digital images fingerprinting is proposed. The method is based on quaternion encryption in the Cipher Block Chaining (CBC) mode. Quaternion sare hyper-complex numbers of rank 4 and thus often applied to mechanics in three-dimensional space. The encryption algorithm described in the paper is designed for gray-tone images but can easily be adopted for color ones. For the encryption purpose, the algorithm...
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Knowledge-Based Management as the Key Success Factor for Research and Development Organizations
PublicationA key to achieving success in project organizations lies in exemplary management of processes within those organizations, while the ongoing projects are mainly characterized by their uniqueness. The situation is no different in commercial research and development organizations (R&D) where accuracy and repeatability of elementary processes guarantees efficient and productive realization of all enterprises. R&D organizations are...
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Smart Virtual Bass Synthesis Algorithm Based on Music Genre Classification
PublicationThe aim of this paper is to present a novel approach to the Virtual Bass Synthesis (VBS) algorithms applied to portable computers. The proposed algorithm employed automatic music genre recognition to determine the optimum parameters for the synthesis of additional frequencies. The synthesis was carried out using the non-linear device (NLD) and phase vocoder (PV) methods depending on the music excerpt genre. Classification of musical...
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Oxygen biosensor based on carbon nanotubes directly grown on graphitic substrate
PublicationFilms of carbon nanotubes were synthesized on the graphitic substrates by CVD method in the presence of catalyst. Two different catalysts were used, that is nickel and iron, supported on graphitic substrates. The as-obtained nanotubes were analyzed by SEM imaging with EDX and Raman spectroscopy. The results revealed their multi-walled morphology. Free radical reaction was carried out in order to chemically functionalize synthesized...
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Geometry Parametric Model Order Reduction with Randomly Generated Projection Bases
PublicationIn this work, a reduced-order model for geometry parameters and fast frequency sweep is proposed. The Finite Element Method is used to solve time-harmonic Maxwell’s equations. Taking into account the electromagnetic field does not arbitrarily vary as a function of frequency and geometry parameters, a low dimension system manifold is identified. Thus, the original Finite Element problem can be approximated by a model of reduced...
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SPECTRAL-BASED MODAL PARAMETERS IDENTIFICATION WITH MULTIPLE PARTICLE SWARMS OPTIMIZATION
PublicationThe paper presents usage of a Particle Swarm Optimization [1] based algorithm for spectral-based modal parameters identification. The main algorithm consists of two groups of swarms, namely, scouts and helpers. For the first group additional penalizing process is provided to force separation of scouting swarms in frequency space. The swarms have an ability to communicate with each other. At first stage, each swarm focuses on a...
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Artificial-Neural-Network-Based Sensorless Nonlinear Control of Induction Motors
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Properties of sensorless control systems based on multiscalar models of the induction motor
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Impedance-based sensing of the interlayer adhesion loss in organic coating systems
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Optimal Components Design for Modified Z-Source Based IPT Approach
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Advances in Rosin-Based Chemicals: the Latest Recipes, Applications and Future Trends
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Spectroscopic Studies of Amino Acid Ionic Liquid-Supported Schiff Bases
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A GIS based approach for the mitigation of surface runoff to a shallow lowland reservoir
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Ketoprofen-Based Ionic Liquids: Synthesis and Interactions with Bovine Serum Albumin
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Probabilistic approach of the Upper and Middle Odra basin daily rainfall modeling
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Amplification of the PDGFRA, KIT and KDR genes in glioblastoma: a population-based study
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Mixture Model Based Efficient Method for Magnetic Resonance Spectra Quantification
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Ozone-Based Technologies for Parabens Removal from Water: Toxicity Assessment
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A mechatronic design based on desired solutions for vibration surveillance of mechanical systems
PublicationCelem pracy jest pokazanie zamierzonych rozwiązań, których włączenie może stanowić bazę nowych projektów mechatronicznych. Rozwiązania te dotyczą zmodyfikowanej metody nadzorowania drgań za pomocą sterowania modalnego przy energetycznym wskaźniku jakości, nadzorowania drgań za pomocą zmiennej prędkości obrotowej wrzeciona, a także - dopasowania prędkości obrotowej do optymalnego kąta przesunięcia fazowego. Uzyskane rezultaty oraz...
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Information technology assessment using a functional prototype of the agent based system
PublicationIn the paper authors present the progress of works related with the agent-based system serving the purpose of information technology assessment. Currently this is a prototype including agents, the knowledge base and the ontology; the domain incorporated by the assessment-enterprise managing technologies with special attention paid to technologies directed to IT projects. In this paper, besides indication of expected functionalities...
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Objects classification based on their physical sizes for detection of events in camera images
PublicationIn the paper, a method of estimation of the physical sizes of the objects tracked in the video surveillance system, and a simple module for object classification based on the estimated physical sizes, are presented. The results of object classification are then used for automatic detection of various types of events in the camera image.
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Optimization of river network representation data models for web-based systems
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Natural carbon-based quantum dots and their applications in drug delivery: A review
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Progress in upscalingMiscanthusbiomass production for the European bio-economy with seed-based hybrids
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Modeling of Heat Source Based on Parameters of Electron Beam Welding Process
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Improving asphalt pavement intelligent compaction based on differentiated compaction curves
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Image-based Analysis of Emotional Facial Expressions in Full Face Transplants
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Image based analysis of emotional expression development in facial transplant patient
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Graphene Oxide-Based Nanocomposites Decorated with Silver Nanoparticles as an Antibacterial Agent
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Evolution of physics-based methodology for exploring the conformational energy landscape of proteins
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Global Optimization-Based Method for Deriving Intermolecular Potential Parameters for Crystals
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The immunological, biochemical and molecular bases of canine senescence and carcinogenesis: a review
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An Approach for Journal Summarization Using Clustering Based Micro-Summary Generation
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GBTX emulator for development and special versions of GBT-based readout chains
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Data Sampling-Based Feature Selection Framework for Software Defect Prediction
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Deposition, morphology and functional properties of layers based on DLC:Si and DLC:N on polyurethane
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An Approach to Imbalanced Data Classification Based on Instance Selection and Over-Sampling
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A CUSUM-Based Approach for Condition Monitoring and Fault Diagnosis of Wind Turbines
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Lamb Wave Based Structural Damage Detection Using Stationarity Tests
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Modelling Negotiations of Construction Subcontract based on a Game Theory – Results of an Experiment
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The Application of Phenolic Acids in The Obtainment of Packaging Materials Based on Polymers—A Review
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Star Polymers vs. Dendrimers: Studies of the Synthesis Based on Computer Simulations
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Molecular Diffusion Simulation on ARUZ – Massively-parallel FPGA-based Machine
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ECONOMIC ASPECTS OF LOCAL SPATIAL DEVELOPMENT PLAN BASED ON THE EXAMPLE OF WROCLAW
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Reliability Testing of Wind Farm Devices Based on the Mean Time to Failures
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Carboxymethylated polysaccharide-based films as carriers for acrylic pressure-sensitive adhesives
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Mathematical Modeling of Hydrodynamics in Bioreactor by Means of CFD-Based Compartment Model
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Characterization of PVC-based polymer inclusion membranes with phosphonium ionic liquids
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