[HTML][HTML] An overview of direction-of-arrival estimation methods using adaptive directional time-frequency distributions

PK Eranti, BD Barkana - Electronics, 2022 - mdpi.com
Direction of arrival (DOA) is one of the essential topics in array signal processing that has
many applications in communications, smart antennas, seismology, acoustics, radars, and …

Source separation and localization using time-frequency distributions: An overview

A Belouchrani, MG Amin… - IEEE Signal …, 2013 - ieeexplore.ieee.org
In this article, we describe the role of time-frequency distributions (TFDs) in array processing.
We particularly focus on quadratic TFDs (QTFDs). We demonstrate how these distributions …

[图书][B] Signal processing for mobile communications handbook

M Ibnkahla - 2004 - taylorfrancis.com
In recent years, a wealth of research has emerged addressing various aspects of mobile
communications signal processing. New applications and services are continually arising …

Time-frequency multi-invariance ESPRIT for DOA estimation

J Lin, X Ma, S Yan, C Hao - IEEE Antennas and Wireless …, 2015 - ieeexplore.ieee.org
In this letter, a new ESPRIT-type algorithm is presented for estimating the direction of arrival
(DOA). We reconstruct the received signal to form a time-frequency (tf) data model with a …

Localization of multiple acoustic sources with small arrays using a coherence test

S Mohan, ME Lockwood, ML Kramer… - The Journal of the …, 2008 - pubs.aip.org
Direction finding of more sources than sensors is appealing in situations with small sensor
arrays. Potential applications include surveillance, teleconferencing, and auditory scene …

Narrowband and wideband off-grid direction-of-arrival estimation via sparse Bayesian learning

A Das, TJ Sejnowski - IEEE Journal of Oceanic Engineering, 2017 - ieeexplore.ieee.org
The sparse Bayesian learning based relevance vector machine (SBLRVM) algorithm is a
promising algorithm to estimate the directions-of-arrival (DOAs) of multiple narrowband …

Wideband direction-of-arrival estimation of multiple chirp signals using spatial time-frequency distributions

AB Gershman, MG Amin - IEEE Signal processing letters, 2000 - ieeexplore.ieee.org
The recently developed concept of narrowband spatial time-frequency distributions (STFDs)
is extended to the wide-band case. A new STFD-based wideband root-MUSIC estimator is …

DOA estimation of LFM signals based on STFT and multiple invariance ESPRIT

K Cui, W Wu, J Huang, X Chen, N Yuan - AEU-International Journal of …, 2017 - Elsevier
In order to improve the angle measurement precision of LFM signals with a low
computational complexity, a direction of arrival (DOA) estimation algorithm STFT-MI-ESPRIT …

A passive DOA estimation algorithm of underwater multipath signals via spatial time-frequency distributions

X Han, M Liu, S Zhang, R Zheng… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Direction of arrival (DOA) estimation of underwater multipath signals has become an
indispensable part of many military and civil applications in the oceanic field. However …

Effect of stratigraphic model uncertainty at a given site on its liquefaction potential index: comparing two random field approaches

WY Chien, YC Lu, CH Juang, JJ Dong, WY Hung - Engineering Geology, 2022 - Elsevier
Random field theory is often used to model spatial variability of geo-material boundary and
property. The results of random field generation based on different theories are quite …