Results 31 to 40 of about 19,233 (197)
2D-DOA Estimation in Multipath Using EMVS Rectangle Array
Remote Sensing, 2023 Electromagnetic vector sensor (EMVS) arrays bring an epochal opportunity for direction finding, as they enable the estimation of two-dimensional direction of arrival (2D-DOA) and polarization characteristics.
Zhe Zhang +3 more
doaj +1 more source
Comparison of Direction of Arrival (DOA) Estimation Techniques for Closely Spaced Targets [PDF]
International Journal of Future Computer and Communication, 2013 This paper deals with different beamforming techniques for DOA estimation. High resolution techniques such as Multiple Signal Classification (MUSIC) and Estimation of Signal Parameters via Rotational Invariance Techniques (ESPRIT) which are subspace based techniques are also discussed. Finally, further resolution improvement is achieved through the use
Nauman Anwar Baig, Mohammad Bilal Malik
openaire +1 more source
A Low Energy Consumption DOA Estimation Approach for Conformal Array in Ultra-Wideband
Future Internet, 2013 Most direction-of-arrival (DOA) estimation approaches for conformal array suffer from high computational complexity, which cause high energy loss for the direction finding system.
Liangtian Wan +3 more
doaj +1 more source
Power-Based Direction-of-Arrival Estimation Using a Single Multi-Mode Antenna
, 2017 Phased antenna arrays are widely used for direction-of-arrival (DoA) estimation. For low-cost applications, signal power or received signal strength indicator (RSSI) based approaches can be an alternative. However, they usually require multiple antennas,
Dammann, Armin +3 more
core +1 more source
Parallel Complementary Virtual Arrays Algorithm for Direction of Arrival (DOA) Estimation
International Journal on Recent and Innovation Trends in Computing and Communication, 2023 This Paper discusses the challenges faced by previous method 2D Direction of Arrival (DOA) systems, such as low degrees of freedom, poor resolution, and significant estimation errors in scenarios with small snapshots. In response to these issues, the present method proposes a low-complexity 2D Direction of Arrival (DOA) estimation algorithm based on a ...
openaire +1 more source
Jurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2018 Abstrak–-Estimasi sudut datangnya gelombang atau Direction Of Arrival (DOA) pada array sensor adalah masalah yang penting dalam berbagai macam aplikasi deteksi sumber suara. Tujuan dari Estimasi adalah untuk mengoptimalkan gelombang yang diinginkan dan
Moh Fausi
doaj +1 more source
Jordanian Journal of Computers and Information Technology, 2020 An accurate method for estimating the direction-of-arrival (DOA) jointly with the frequencies of an unknown number of source signals is proposed using the Eigen-approach. Using the minimum eigenvalues of the autocorrelation matrices produces both the DOA
Thabet Mismar
doaj +1 more source
DOA Estimation in Non-Uniform Noise Using Matrix Completion via Alternating Projection
IEEE Open Journal of Antennas and Propagation, 2021 In this paper, direction-of-arrival (DOA) estimation in the presence of non-uniform noise is investigated. To achieve high estimation accuracy, the DOA estimation problem is solved with the use of a matrix completion approach.
Yingna Fei +4 more
doaj +1 more source
Rigid Hollow Microparticles for Enhanced Focused Ultrasound Treatment Under Optoacoustic Guidance
Advanced Science, EarlyView.By combining focused ultrasound (FUS) and acoustically active hollow borosilicate microparticles (HBMPs), we demonstrate tunable control over interparticle dynamics and their localized thermal energy deposition. Modulation of acoustic frequency and particle concentration tailors the energy delivery, allowing adaptive, material‐based regulation of ...
Nima Mahkam +6 more
wiley +1 more source
Advanced Intelligent Discovery, EarlyView.Predictive models successfully screen nanoparticles for toxicity and cellular uptake. Yet, complex biological dynamics and sparse, nonstandardized data limit their accuracy. The field urgently needs integrated artificial intelligence/machine learning, systems biology, and open‐access data protocols to bridge the gap between materials science and safe ...
Mariya L. Ivanova +4 more
wiley +1 more source