3D Off-Grid Localization for Adjacent Cavitation Noise Sources Using Bayesian Inference [PDF]
Sensors, 2023 The propeller tip vortex cavitation (TVC) localization problem involves the separation of noise sources in proximity. This work describes a sparse localization method for off-grid cavitations to estimates their precise locations while keeping reasonable ...
Minseuk Park +3 more
doaj +2 more sources
Reweighted Off-Grid Sparse Spectrum Fitting for DOA Estimation in Sensor Array with Unknown Mutual Coupling [PDF]
Sensors, 2023 In the environment of unknown mutual coupling, many works on direction-of-arrival (DOA) estimation with sensor array are prone to performance degradation or even failure. Moreover, there are few literatures on off-grid direction finding using regularized
Liangliang Li +4 more
doaj +2 more sources
IoT Off-Grid, Data Collection from a Machine Learning Classification Using UAV [PDF]
Sensors, 2022 IoT encompasses various objects, technologies, communication standards, sensors, actuators in powered environments, and networked communication.
Ademir Goulart +3 more
doaj +2 more sources
Fuzzy Rules for Secure Off-Grid System [PDF]
Advances in Electrical and Electronic Engineering, 2014 Stand-alone off-grid power supply system is a necessity for applications when electrical power distribution network is inaccessible. Internal and external subject security aspects should be valued, and the system should be optimized to obtain properly ...
Gabriel Cibira +2 more
doaj +4 more sources
Off-Grid DOA Estimation Using Sparse Bayesian Learning for MIMO Radar under Impulsive Noise [PDF]
Sensors, 2022 Direction of arrival (DOA) estimation is an essential and fundamental part of array signal processing, which has been widely used in radio monitoring, autonomous driving of vehicles, intelligent navigation, etc.
Jitong Ma +3 more
doaj +2 more sources
Ontological Engineering for Methodological Support of Research into Energy-related Anthropogenic Impact of the Environment [PDF]
E3S Web of Conferences, 2020 Ontological engineering is performed for studies on the environmental impact of energy objects. The work was carried out within the framework of the project supported by the Russian Foundation of Basic Research “Methods of building an ontological ...
Vorozhtsova Tatyana +2 more
doaj +1 more source
Electricity supply quality and use among rural and peri-urban households and small firms in Nigeria
Scientific Data, 2023 We present a household and enterprise energy survey dataset collected within the framework of the PeopleSuN project in Nigeria in 2021. Across three Nigerian geopolitical zones, a total of 3,599 households and 1,122 small and medium-sized enterprises ...
Setu Pelz +3 more
doaj +1 more source
Direction of arrival estimation based on modified fast off‐grid L1‐SVD
Electronics Letters, 2022 This paper proposes a modified fast off‐grid L1‐SVD (M‐FOGL1SVD) method for direction of arrival (DOA) estimation. Unlike FOGL1SVD, after obtaining the positions of the nonzero rows of the signal sources, the off‐grid overcomplete basis matrix is used to
Xiangjun Xu +4 more
doaj +1 more source
Mathematical Model for Household Off-Grid Simulation (Off-Grid System Sizing)
Latvian Journal of Physics and Technical Sciences, 2022 Abstract The paper presents the results of the research, which was initiated in our previous publication. The main goal of the research is to develop and validate our own multi-objective simulation tool for determination of optimal mix and sizing of off-grid and grid-connected microgrid systems.
E. Groza +3 more
openaire +1 more source
Underdetermined direction of arrival estimation of wideband signal based on sparse array
IET Microwaves, Antennas & Propagation, 2022 To solve the problem of the mismatch of the wideband underdetermined direction of arrival (DOA) estimation under the condition of the On‐grid model, this paper extends the narrowband Off‐Grid model to wideband and proposes a new DOA estimation algorithm ...
Fan Wu +5 more
doaj +1 more source