Temat: radar simulation - Prolib Integro

Skocz do pozycji: 1.

Tytuł:: A New Algorithm for Phased Array Radar Search Function Improvement in Overload Situations
Autorzy:: Fatemi Mofrad, R. F.
Sadeghzadeh, R. A.
Tematy:: phased array radar
radar resource allocation
radar modeling
radar simulation
radar performance evaluation; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/226581.pdf Link otwiera się w nowym oknie
Opis:: A new algorithm is proposed for phased array radar search function resource allocation. The proposed algorithm adaptively priorities radar search regions and in overload situations, based on available resources, radar characteristics, maximum range and search regions, optimally allocates radar resources in order to maximize probability of detection. The performance of new algorithm is evaluated by the multifunction phased array radar simulation test bed. This simulation test bed provides capability to design and evaluate the performance of different radar resource management, target tracking and beam forming algorithms. Some results are presented that show capabilities of this simulation software for multifunction radar algorithms design and performance evaluation.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: SYMDAS : Raw Data Simulator for the Radar with Electronically Controlled Beam
Autorzy:: Mazurek, G.
Tematy:: radar simulation
MTD
MTI
electronically controlled
beam
DSP; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Powiązania:: https://bibliotekanauki.pl/articles/227065.pdf Link otwiera się w nowym oknie
Opis:: The subject of the paper is the software simulator of baseband signals received in a radar. These synthetic signals are sent to the DSP unit responsible for target detection and estimation. The software has been developed in Warsaw University of Technology as a part of R&D project, and its main purpose is to allow flexible testing and validation of the algorithms running in DSP processors of the new radar.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Low-fidelity radar implementation for real-time ship manoeuvring simulator with unity3D
Autorzy:: Leite, B. G.
Pereira, M. A. U.
Szilagyi, E.
Tannur, E. A.
Tematy:: navigational simulator
virtual reality
marine simulators
radar simulation
virtual reality training simulators
ship manoeuvring simulators
full mission bridge simulators; Pokaż więcej
Wydawca:: Uniwersytet Morski w Gdyni. Wydział Nawigacyjny
Powiązania:: https://bibliotekanauki.pl/articles/59123402.pdf Link otwiera się w nowym oknie
Opis:: Because of the importance of maintaining safety at sea, great training efforts are required to ensure that operators act safely in any ship. In such context, ship manoeuvring simulators are used to ease operators' learning experience. On the one hand, it may assist in the education of new operators by simulating equipment interfaces in a controlled and predictable scenario; on the other hand, it may simulate non-conventional scenarios to train advanced operators under stresses. As modelling spurious phenomena that yields marine equipment malfunctions is significantly complex, low-fidelity solutions have been proposed to the task. Likewise, the current work is concerned with the development of a low-fidelity radar module to train experienced operators under non-typical conditions. Particularly, this paper describes the radar implementation from the TPN-USP Manoeuvring Simulation Center and presents how simple additional effects may be modelled with considerable simplifications to ensure real-time performance. The implementation may be replicated in any ship manoeuvring simulator based on the game engine Unity3D.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Verification of the accuracy requirements for relative course and closest point of approach
Autorzy:: Juszkiewicz, W.
Tematy:: radar systems
IMO performance standards
target tracking
safety of navigation
risk assessment
marine simulation; Pokaż więcej
Wydawca:: Akademia Morska w Szczecinie. Wydawnictwo AMSz
Powiązania:: https://bibliotekanauki.pl/articles/135158.pdf Link otwiera się w nowym oknie
Opis:: Closest point of approach (CPA) is a basic factor taken into consideration for risk assessment during the meeting of two ships at sea. Navigators should use radars with automatic target tracking for collision avoidance and should know the accuracy to which radar data are calculated. Basic information about these requirements can be found in IMO resolutions. The currently binding document for devices manufactured after 2008 is IMO Resolution MSC.192(79). But there are two independent requirements for relative motion. One of these refers to relative motion parameters (relative course and speed) and the other one to the value that is the result of this motion (CPA). The other important document is Standard 62388. This specifies the minimum operational and performance requirements, methods of testing and the required test results published by IEC and also refers to radar equipment. However, this standard is not so popular in different publications focusing on radar equipment, so these requirements were not analyzed in the article. The main problem described in this paper refers to the mutual consistency of IMO Resolution requirements. The results of simulations and their analysis are presented.
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Numerical modeling of GPR field in damage detection of a reinforced concrete footbridge
Numeryczne modelowanie pola georadarowego w detekcji uszkodzeń żelbetowej kładki dla pieszych
Autorzy:: Lachowicz, J.
Rucka, M.
Tematy:: damage detection
ground penetrating radar method
FDTD simulation
wykrywanie uszkodzeń
metoda georadarowa
obliczenia
metoda różnic skończonych; Pokaż więcej
Wydawca:: Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Powiązania:: https://bibliotekanauki.pl/articles/1396902.pdf Link otwiera się w nowym oknie
Opis:: The paper presents a study on the use of the ground penetrating radar (GPR) method in diagnostics of a footbridge. It contains experimental investigations and numerical analyses of the electromagnetic field propagation using the finite difference time domain method (FDTD). The object of research was a reinforced concrete footbridge over a railway line. The calculations of the GPR field propagation were performed on a selected cross-section of the bridge. Three different damage scenarios (i.e. one missing rebar and two air voids with different shapes and locations) were investigated in FDTD simulations. Numerical GPR maps were compared with results of in-situ GPR surveys for the healthy footbridge.
W artykule przedstawiono użycie metody georadarowej w procesie diagnostyki kładki dla pieszych. Praca zawiera badania doświadczalne oraz analizy numeryczne propagacji pola elektromagnetycznego z wykorzystaniem metody różnic skończonych w dziedzinie czasu. Przedmiotem badań była żelbetowa kładka dla pieszych usytuowana nad torami kolejowymi. Obliczenia wykonano na przykładzie wybranego przekroju poprzecznego kładki. Rozważono trzy różne scenariusze uszkodzeń, tj. brak jednego z prętów zbrojeniowych oraz dwie pustki powietrzne o różnych kształtach i lokalizacjach. Wyniki symulacji porównano z wynikami badań doświadczalnych przeprowadzonych na nowo wybudowanym obiekcie.
Dostawca treści:: Biblioteka Nauki

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