Results 121 to 130 of about 5,938 (220)

Vulnerability of the Ancient Peat Plateaus in Western Siberia. [PDF]

open access: yesPlants (Basel), 2021
Pastukhov A   +3 more
europepmc   +1 more source

AI methods for enhancing and recognizing archaeological features in heterogeneous geophysical datasets. [PDF]

open access: yesSci Rep
Danese M   +7 more
europepmc   +1 more source

Investigating the complex story of one ditch-A multidisciplinary study of ditch infill provides insight into the spatial organisation within the oppidum of Bibracte (Burgundy, France). [PDF]

open access: yesPLoS One, 2020
Goláňová P   +9 more
europepmc   +1 more source

3-D GPR investigation of a residential area in the Roman town Ammaia (Portugal) [PDF]

open access: yes, 2012
Taelman, Devi   +2 more
core  

Front-Side Microstrip Line Feeding a Raised Antenna Patch [PDF]

open access: yes
An improved design concept for a printed-circuit patch antenna and the transmission line that feeds the patch calls for (1) a microstrip transmission line on the front (radiative) side of a printed-circuit board based on a thin, high-permittivity ...
Hodges, Richard, Hoppe, Daniel
core   +1 more source

Kennwert-Schätzung aus Georadar-Transmissionsdaten

open access: yes, 2009
Neben der Ausbreitungsgeschwindigkeit ist die Absorption elektromagnetischer Wellen der wichtigste Parameter für die Bearbeitung und Interpretation von Georadar-Daten. Für die realitätsnahe Beschreibung der Ausbreitung elektromagnetischer Wellen in Gesteinen eignet sich das Modell mit konstantem Q und einem Dispersionsansatz der Phasengeschwindigkeit ...
openaire   +1 more source

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