Results 241 to 250 of about 2,323,275 (283)

TerraSAR-L system

SPIE Proceedings, 2004
The Infoterra/TerraSAR initiative started as an industrial concept to provide X- and L-band SAR data products from a pair of spacecraft in Sun-synchronous orbit. The mission was proposed by the BNSC and DLR for implementation as an element of the ESA’s Earth Watch programme.
David M. Simpson   +3 more
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Fuzzy L-systems

International Journal of Computer Mathematics, 1990
Fuzzy L-systems are presented as a formal mechanism for generating fuzzy formal languages. This provides a mechanism for modelling development while also incorporating the vagueness inherent to most real world processes. In this paper, fuzzy L-systems are defined, a normal form is developed, closure properties of fuzzy L-systems—both language-theoretic
M.V. Nagendra Prasad   +2 more
openaire   +1 more source

Generalized L systems

Science in China Series F Information Sciences, 2002
This paper proposes the concept of generalized L systems, GL systems for short, which can describe asynchronized concurrent phenomena. We have proved that the GL systems are proper extensions of the traditional L systems. We have also defined a classification of GL systems and proved a sufficient and necessary condition for the equivalence of two ...
Ruqian Lu, Wenyan Zhang
openaire   +1 more source

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