存在未知协方差矩阵的分布式动态噪声时声波导的声源定位

IF 0.8 4区地球科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC Radiophysics and Quantum Electronics Pub Date : 2023-04-22 DOI:10.1007/s11141-023-10232-4

A. G. Sazontov, I. P. Smirnov

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引用次数: 0

摘要

在最坏接收场景的框架内，我们构建了一种自适应模式MUSIC算法，旨在在存在空间相关动态噪声的情况下，对具有不准确已知参数的声波导中的源进行定位。该算法基于一个迭代过程，该过程允许人们估计噪声协方差矩阵的未知元素，并最终确定源的期望位置。给出了将所提出的估计技术(考虑真模态和期望模态组成之间的差异)与传统的极大似然和元素空间MUSIC方法的效率进行比较的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Source Localization in an Acoustic Waveguide in the Presence of Distributed Dynamic Noise with Unknown Covariance Matrix

Within the framework of the worst-case reception scenario, we have constructed an adaptive mode MUSIC algorithm intended to localize sources in an acoustic waveguide with inaccurately known parameters in the presence of spatially correlated dynamic noise. The algorithm is based on an iterative procedure that allows one to estimate unknown elements of the noise covariance matrix and eventually determine the desired positions of the sources. The results of comparing the efficiency of the proposed estimation technique (which takes into account the difference between the true and expected mode composition) with the conventional maximum likelihood and element-space MUSIC methods are presented.

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来源期刊

Radiophysics and Quantum Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-PHYSICS, APPLIED

CiteScore

1.10

自引率

12.50%

发文量

审稿时长

6-12 weeks

期刊介绍： Radiophysics and Quantum Electronics contains the most recent and best Russian research on topics such as: Radio astronomy; Plasma astrophysics; Ionospheric, atmospheric and oceanic physics; Radiowave propagation; Quantum radiophysics; Pphysics of oscillations and waves; Physics of plasmas; Statistical radiophysics; Electrodynamics; Vacuum and plasma electronics; Acoustics; Solid-state electronics. Radiophysics and Quantum Electronics is a translation of the Russian journal Izvestiya VUZ. Radiofizika, published by the Radiophysical Research Institute and N.I. Lobachevsky State University at Nizhnii Novgorod, Russia. The Russian volume-year is published in English beginning in April. All articles are peer-reviewed.