Wyniki wyszukiwania dla: PRONY’S METHOD - MOST Wiedzy

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Wyniki wyszukiwania dla: PRONY’S METHOD

Wyniki wyszukiwania dla: PRONY’S METHOD

  • Depth Determination Accuracy of the Modified Prony Method in a Swath Mapping Application

    Publikacja

    - Rok 2018

    This article presents the performance of the modified Prony method in a swath mapping application. Depth determination accuracy is assessed by processing raw signal acquired by an EdgeTech 6205 swath bathymetry system over flat seafloor. An updated version of the method, proposed previously by the authors, is used to determine the number of signal echoes. The number of signal echoes is essential for performing the low-rank approximation...

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  • The accuracy of a new approach to order determination for the Modified Prony method in swath mapping application

    Publikacja
    • P. Grall

    - HYDROACOUSTICS - Rok 2017

    This article presents the performance of a new approach to determine the model order for the modified Prony method applied to swath acoustic mapping. Key requirements for any mapping application are depth determination accuracy and angular resolution. Depth determination accuracy is strictly related to angular accuracy and geometrical relations between receiver and sources of the backscattered signal. Angular resolution determines...

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  • Theoretical analysis of a new approach to order determination for a modified Prony method in swath mapping application

    Publikacja

    - HYDROACOUSTICS - Rok 2017

    This article presents a new approach to determine the model order (number of principal components) in the modified Prony method applied to swath acoustic mapping. Determination of the number of principal components is a crucial step in the modified Prony method. In the proposed approach the model order is chosen based on the underlying physical model of the underwater acoustic environment, and utilised signal processing operations....

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  • Direction-of-Arrival Estimation Methods in Interferometric Echo Sounding

    Publikacja

    Nowadays, there are two leading sea sounding technologies: the multibeam echo sounder and the multiphase echo sounder (also known as phase-dierence side scan sonar or bathymetric side scan sonar). Both solutions have their advantages and disadvantages, and they can be perceived as complementary to each other. The article reviews the development of interferometric echo sounding array configurations and the various methods applied...

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