Results 21 to 30 of about 124,899 (267)

DAS Processing Algorithms

open access: yes, 2021
This report addresses deliverable D1.5 of the DigiMon project, which covers processing algorithms for Distributed Acoustic Systems (DAS) datasets that are contained within a python library called DASpy. The objective of DigiMon is to develop an early-warning system for Carbon Capture and Storage (CCS) which utilises a broad range of sensor technologies
Butcher, Antony   +5 more
openaire   +2 more sources

Two novel neural-evolutionary predictive techniques of dragonfly algorithm (DA) and biogeography-based optimization (BBO) for landslide susceptibility analysis

open access: yesGeomatics, Natural Hazards & Risk, 2019
Due to the wide application of evolutionary science in different engineering problems, the main aim of this paper is to present two novel optimizations of multi-layer perceptron (MLP) neural network, namely dragonfly algorithm (DA) and biogeography-based
Hossein Moayedi   +5 more
doaj   +1 more source

Apple classification based on multi-information fusion and DA-DBN

open access: yesShipin yu jixie, 2023
Objective: In order to improve the precision of apple grade judgment model, the method of apple grade judgment was established. Methods: A decision model of apple rank based on multi-information fusion and dragonfly algorithm was proposed.
CHEN Haixia, JIA Zhijuan, ZHAO Yunping
doaj   +1 more source

Hybrid Time Series Method for Long-Time Temperature Series Analysis

open access: yesDiscrete Dynamics in Nature and Society, 2021
This paper combines discrete wavelet transform (DWT), autoregressive moving average (ARMA), and XGBoost algorithm to propose a weighted hybrid algorithm named DWTs-ARMA-XGBoost (DAX) on long-time temperature series analysis.
Guangdong Huang, Jiahong Li
doaj   +1 more source

The Design and Implementation of FIR Filter Based on Improved DA Algorithm [PDF]

open access: yesAdvances in Engineering Research, 2015
FIR filter is widely used in the fields of signal processing with high fidelity. In the design of FIR filter the traditional algorithm such as serial DA algorithm, parallel DA algorithm and combined series and parallel DA algorithm are all not so suitable, which has lots of shortcomings.
Qing Han   +3 more
openaire   +1 more source

A Hybrid Binary Dragonfly Algorithm with an Adaptive Directed Differential Operator for Feature Selection

open access: yesRemote Sensing, 2023
Feature selection is a typical multiobjective problem including two conflicting objectives. In classification, feature selection aims to improve or maintain classification accuracy while reducing the number of selected features. In practical applications,
Yilin Chen   +6 more
doaj   +1 more source

OPTIMIZATION OF ROUNDNESS ERROR IN HARD TURNING OF AISI H13 TOOL STEEL [PDF]

open access: yesJournal of the Egyptian Society of Tribology, 2020
In the current investigation, a novel optimization algorithm, named the Duelist algorithm (DA), is employed for optimizing the roundness error by the proper selection of the input machining parameters in hard turning of AISI H13 steel.
A. Elsadek Ahmed   +2 more
doaj   +1 more source

RSA algoritam i njegova praktična primena / RSA algorithm

open access: yesVojnotehnički Glasnik, 2010
RSA algoritam jeste algoritam sa javnim ključem koji uključuje tri koraka: generisanje ključa, enkripciju i dekripciju. RSA enkripciona šema je determinističaka što znači da se osnovni tekst uvek enkriptuje u isti šifrovani tekst za unapred zadati javni ...
Sonja R. Kuljanski
doaj   +1 more source

Dandelion Algorithm With Probability-Based Mutation

open access: yesIEEE Access, 2019
A dandelion algorithm (DA) is a recently-proposed intelligent optimization algorithm and shows an excellent performance in solving function optimization problems. However, like other intelligent algorithms, it converges slowly and falls into local optima
Honghao Zhu   +4 more
doaj   +1 more source

An Improved Dragonfly Algorithm With Higher Exploitation Capability to Optimize the Design of Hybrid Power Active Filter

open access: yesIEEE Access, 2020
Hybrid power active filter (HAPF) is an important device to suppress the harmonics of the power system. In HAPF, the parameters estimation has a great impact on ensuring the power quality in the power system.
Wanxuan Dai   +5 more
doaj   +1 more source

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