Results 11 to 20 of about 91,828 (167)

Broadband Channel Characterization in Wooded Environment in the 26 GHz Band

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2021
The present work describes the use of a simulation model based on asymptotic methods (ray tracing) on the propagation of ultra-wideband radio signals in a densely-arborized urban channel.
Jean Carneiro da Silva   +5 more
doaj   +1 more source

Recent Design Optimization Methods for Energy-Efficient Electric Motors and Derived Requirements for a New Improved Method—Part 3

open access: yesProceedings, 2018
The design of energy-efficient electric motor is a complex problem since diverse requirements and competing goals have to be fulfilled simultaneously. Therefore, different approaches to the design optimization of electric motors have been developed, each
Johannes Schmelcher   +4 more
doaj   +1 more source

An overview of deterministic and probabilistic forecasting methods of wind energy

open access: yesiScience, 2023
Summary: In recent years, a variety of wind forecasting models have been developed, prompting necessity to review the abundant methods to gain insights of the state-of-the-art development status.
Yuying Xie   +4 more
doaj   +1 more source

Recent Design Optimization Methods for Energy-Efficient Electric Motors and Derived Requirements for a New Improved Method—Part 2

open access: yesProceedings, 2018
Designing energy-efficient electric motor is a task where multiple goals have to be achieved at once. To find the best design possible, different approaches have been developed.
Johannes Schmelcher   +4 more
doaj   +1 more source

Non-Deterministic Methods and Surrogates in the Design of Rockfill Dams

open access: yesApplied Sciences, 2021
The parameters of the constitutive models used in the design of rockfill dams are associated with a high degree of uncertainty. This occurs because rockfill dams are comprised of numerous zones, each with different soil materials, and it is not feasible ...
Rajeev Das, Azzedine Soulaimani
doaj   +1 more source

Model Pemesanan Bahan Baku menggunakan Peramalan Time Series dengan CB Predictor

open access: yesComTech, 2014
A company that manufactures finished goods often faces a shortage of raw materials, due to the determination of the quantity of raw material ordering improper because it is done by intuition and the lack of raw material inventory reserves.
Tri Pujadi
doaj   +1 more source

Deterministic approach for mobile user positioning in radio systems [PDF]

open access: yesTehnika, 2014
This paper analyzes deterministic methods for user positioning in radio systems. Radio signal parameters that can be used for positioning are considered, as well as the methods of their processing in order to obtain the unknown location. Paper contains a
Simić Mirjana I., Pejović Predrag V.
doaj   +1 more source

Recent Design Optimization Methods for Energy-Efficient Electric Motors and Derived Requirements for a New Improved Method—Part 1

open access: yesProceedings, 2018
Energy-efficient electric motors are gathering an increased attention since they are used in electric cars or to reduce operational costs, for instance.
Johannes Schmelcher   +4 more
doaj   +1 more source

Yağışın mekânsal dağılışında deterministik ve stokastik yöntemler: Mauritius örneği, Doğu Afrika

open access: yesCoğrafi Bilimler Dergisi, 2016
Precipitation is one of the most important climatic parameters displaying significant changes across space and time. The accurate modeling of precipitation has become an important part of climate research for hydrological studies, the forecast of events ...
Olgu Aydın, Nussaïbah Begum Raja
doaj   +1 more source

Application of deterministic, stochastic, and hybrid methods for cloud provider selection

open access: yesJournal of Cloud Computing: Advances, Systems and Applications, 2022
Cloud Computing popularization inspired the emergence of many new cloud service providers. The significant number of cloud providers available drives users to complex or even impractical choice of the most suitable one to satisfy his needs without ...
Lucas Borges de Moraes   +2 more
doaj   +1 more source

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