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Prevalence of Problematic Digital Media Use Among Young Adults: Protocol for a Systematic Review.

open access: yesJMIR Res Protoc
Chanmany Pastor RM   +5 more
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Minimum time problem synthesis

Systems & Control Letters, 1988
The use of the non-standard analysis techniques has proved very useful in treating singular perturbation of ordinary differential equations [see the survey paper of \textit{A. K. Zvonkin} and \textit{M. A. Shubin}, Russ. Math. Surv. 39, No.2, 69-131 (1984; Zbl 0549.34055)].
Spinelli, Patricia   +1 more
openaire   +1 more source

The Synthesis Problem

2004
The classical antenna synthesis problem is usually posed in one of two ways. The first addresses the problem of finding an aperture distribution which produces a far field that duplicates, or at least approximates, a prescribed pattern. The second involves determining the location and feed characteristics of a finite array of elementary sources which ...
Thomas S. Angell, Andreas Kirsch
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