Results 71 to 80 of about 2,589 (174)
Eruption Source Parameters in Volcanic Plume Modeling: Advances, Challenges, and Future Directions
Reviews of Geophysics, Volume 64, Issue 2, June 2026.Abstract Accurately predicting the atmospheric dispersion of volcanic ash and gases is crucial for both scientific understanding and hazard mitigation. Estimating Eruption Source Parameters (ESP), such as mass eruption rate, plume height, duration, and particle size distribution and properties, remains challenging due to the complex nature of volcanic ...
A. Costa +4 more
wiley +1 more source
Joint Estimation of DOA and TDOA of Multiple Reflections by Matrix Pencil in Mobile Communications
IEEE Access, 2019 This paper presents the joint estimation of the direction of arrival (DOA) and the time difference of arrival (TDOA) for multipath signals, which is the central issue for mobile communications.
Yu Zheng, Yongzhi Yu
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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 ...
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Sensors, 2019 In signal array processing, high-resolution direction-of-arrival (DOA) estimation algorithms work well on the assumption that the system models are perfect. However, in practicality, there are imperfect system models in which sensor gain-and-phase errors
Lingwen Zhang +3 more
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A Comprehensive Review of Direction of Arrival (DoA) Estimation Techniques and Algorithms
Journal of Electronics and Electrical EngineeringDirection of Arrival (DOA) estimation is a pivotal aspect of Array Signal Processing (ASP) with significant implications for the performance of modern communication systems. This paper provides a comprehensive review of DOA estimation techniques, encompassing both classical and advanced algorithms.
Saanvi Kulkarni +5 more
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Satellite Interference Source Direction of Arrival (DOA) Estimation Based on Frequency Domain Covariance Matrix Reconstruction. [PDF]
Sensors (Basel), 2023 Yao J +5 more
europepmc +1 more source
Selective Range Iterative Adaptive Approach for High-Resolution DOA Estimation
IEEE Access, 2019 In this paper, the problem of direction-of-arrival (DOA) estimation for a uniform linear array with single-snapshot observations is addressed. Two non-parametric DOA estimators are developed, which can be applied in any azimuth range with one snapshot ...
Yuan Chen +2 more
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IEEE Open Journal of Instrumentation and MeasurementTime difference of arrival (TDOA) and direction of arrival (DOA) are, respectively, applied to detect partial discharge (PD) target with ultrasonic signal.
Zeyu Zhang +3 more
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Joint DOD and DOA Estimation Using Reduced-Capon Method in Bistatic MIMO Array
Xibei Gongye Daxue Xuebao, 2019 In order to resolve the problem of joint direction of departure (DOD) and direction of arrival (DOA) estimation in bistatic MIMO array, a dimensional reduced-Capon method based on Taylor series expansion and signal subspace is proposed in this paper ...
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Experimental validation of spatial spectrum suppression algorithms for interference sources
Dianzi Jishu YingyongIn the actual direction finding system, when the weak signal and the strong interference are spatially close, the spatial spectrum direction finding system can only estimate the direction of arrival (DOA) for the strong interference, and the performance ...
Sun Jiabao, Shi Wei, Wang Shenyun
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