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Goal-directed requirements acquisition

open access: yesScience of Computer Programming, 1993
Requirements analysis includes a preliminary acquisition step where a global model for the specification of the system and its environment is elaborated.
Stephen Fickas, Axel van Lamsweerde
exaly   +2 more sources

On the Road to 6G: Visions, Requirements, Key Technologies, and Testbeds [PDF]

open access: yesIEEE Communications Surveys and Tutorials, 2023
Fifth generation (5G) mobile communication systems have entered the stage of commercial deployment, providing users with new services, improved user experiences as well as a host of novel opportunities to various industries.
Cheng-Xiang Wang   +17 more
semanticscholar   +1 more source

WATER REQUIREMENTS FOR CLOVER AND COTTON UNDER CLIMATE CHANGE CONDITIONS. [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2015
Water requirements for the clover and cotton crops under both current climate and climate change conditions in 2040 was calculated using  Basic Irrigation Scheduling (BISm) model.
M. Badawi, M. Ewis, Samiha Ouda
doaj   +1 more source

Science Requirements and Detector Concepts for the Electron-Ion Collider [PDF]

open access: yesNuclear Physics, 2021
This report describes the physics case, the resulting detector requirements, and the evolving detector concepts for the experimental program at the Electron-Ion Collider (EIC).
R. A. Khalek   +405 more
semanticscholar   +1 more source

Results Concerning the Analysis of Multi-Index Whittaker Function

open access: yesJournal of Mathematics, 2022
A variety of functions, their extensions, and variants have been extensively investigated, mainly due to their potential applications in diverse research areas.
Nabiullah Khan   +3 more
doaj   +1 more source

Using Synthetic Controls: Feasibility, Data Requirements, and Methodological Aspects

open access: yesJournal of Economic Literature, 2021
Probably because of their interpretability and transparent nature, synthetic controls have become widely applied in empirical research in economics and the social sciences.
Alberto Abadie
semanticscholar   +1 more source

DETERMINING THE OPTIMUM IRRIGATION INTERVALS AND PLANT DENSITIES FOR SUNFLOWER UNDER DRIP IRRIGATION SYSTEM. [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2010
Two field experiments were carried out in the modernized irrigation system network (drip irrigation technique) at the research farm at Sakha Agricultural Research Station, kafr El- Sheikh Governorate during the two successive growing seasons 2007 and ...
M. Ibrahim   +3 more
doaj   +1 more source

Conceptual estimation of the noise reduction potential of electrified aircraft engines★

open access: yesActa Acustica, 2023
The advent of electrified propulsion systems for civil aircraft promises not only notable reductions of CO2 and NOx emissions, but also of perceived noise.
Geyer Thomas F., Enghardt Lars
doaj   +1 more source

6G Wireless Systems: Vision, Requirements, Challenges, Insights, and Opportunities [PDF]

open access: yesProceedings of the IEEE, 2020
Mobile communications have been undergoing a generational change every ten years or so. However, the time difference between the so-called “G’s” is also decreasing.
H. Tataria   +5 more
semanticscholar   +1 more source

Assessment of Skipping Irrigation on Yield, its Quality and Water Relations for Sunflower Crop [PDF]

open access: yesJournal of Soil Sciences and Agricultural Engineering, 2021
Water is the basis of life. The plants have different water needs. Sunflower is one of the most important oil crop in Egypt and 3rd in the world. In light of the limited water resources available and the problems of marketing and export, studies are ...
Eman Mohamed   +3 more
doaj   +1 more source

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