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3D Off-Grid Localization for Adjacent Cavitation Noise Sources Using Bayesian Inference [PDF]

open access: yesSensors, 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

African Off-grid Housing [PDF]

open access: yesProceedings of the International Conference on Evolving Cities, 2022
Today, 600 million people in Africa do not have access to electricity and 900 million lack access to clean cooking facilities (International Energy Agency- 2019). With this premise the paper will explain the research agenda of the African Off-grid Housing project on how to design and build off-grid and affordable housing solutions for the African
Paolo Cascone   +4 more
openaire   +4 more sources

Reweighted Off-Grid Sparse Spectrum Fitting for DOA Estimation in Sensor Array with Unknown Mutual Coupling [PDF]

open access: yesSensors, 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]

open access: yesSensors, 2022
IoT encompasses various objects, technologies, communication standards, sensors, actuators in powered environments, and networked communication.
Ademir Goulart   +3 more
doaj   +2 more sources

Off-Grid DOA Estimation Using Sparse Bayesian Learning for MIMO Radar under Impulsive Noise [PDF]

open access: yesSensors, 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]

open access: yesE3S 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

open access: yesScientific 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

open access: yesElectronics 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

Underdetermined direction of arrival estimation of wideband signal based on sparse array

open access: yesIET 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

Security Control Strategy of Micro-grid Between Grid-connected and Off-grid Based on Virtual Synchronous Generator

open access: yes发电技术, 2020
As a major branch of integrated energy system, micro-grid is widely used in the local consumption of distributed generation. With the introduction of cold, heat and gas, the requirement of micro-grid security control is becoming higher and higher.
Yizong GUO, Chuangxin GUO
doaj   +1 more source

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