Results 21 to 30 of about 1,282 (131)
Multisource DOA Estimation in Impulsive Noise Environments Using Convolutional Neural Networks
International Journal of Antennas and Propagation, 2022 This work proposes an effective high-resolution multisource direction-of-arrival (DOA) estimation method in impulsive noise scenarios based on convolutional neural networks (CNNs). First of all, the array observation matrix is preprocessed and fed into a
Dong Chen, Young Hoon Joo
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Space-time division cluster DoA estimation algorithm based on UWA spread spectrum signal
Tongxin xuebao, 2022 To solve the problems of poor stability, low resolution, and performance degradation under low signal-to-noise ratio (SNR) of the direction of arrival (DoA) estimation, a space-time division cluster (STDC) DoA estimation algorithm was proposed for under ...
Feng ZHOU, Baosheng ZHANG, Wenbo ZHANG
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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
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The direction of arrival estimation method based on gridless compressed sensing
上海师范大学学报. 自然科学版, 2020 Efficient direction of arrival(DOA) estimation for densely distributed targets was a difficult and hot spot in current high-precision positioning technology.There were many problems and issuesfor existing DOA estimation methods which were designed based ...
GU Xu, WEI Shuang, LI Li, SU Ying
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Research Progress in Methods to Estimate High-resolution Direction of Arrival
水下无人系统学报With the widespread application of array signal processing, the estimation of direction of arrival(DOA) as the core problem of array signal processing has made significant progress.
Wei ZHAO, Xuan LI, Chengpeng HAO
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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
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FPGA-based real-time implementation for direction-of-arrival estimation
The Journal of Engineering, 2017 Direction-of-arrival (DOA) estimation of radio signals is of utmost importance in many commercial and military applications. In this study, the authors propose an efficient field-programmable gate array (FPGA) architecture for implementing a recently ...
Abdulrahman Alhamed +6 more
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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
An APG-MUSIC Algorithm Based-on Optimized Sampling Array
MATEC Web of Conferences, 2018 This paper proposes a novel two-dimensional direction of arrival (2D-DOA) estimation with optimized sparse sampling array, which is combined with Accelerated Proximal Gradient singular value thresholding(APG) and Multiple Signal Classification(MUSIC ...
Li Mengxia +3 more
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A Novel Method for DOA and Time Delay Joint Estimation in Multipath OFDM Environment
International Journal of Antennas and Propagation, 2020 Joint time delay and direction of arrival estimation based on uniform linear arrays in Orthogonal Frequency Division Multiplexing (OFDM) systems has to face the problems posed by coherent multipath environments and high computational complexity.
Xiangzhi Li +4 more
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