Results 151 to 160 of about 560 (237)

Ionospheric clutter models for high frequency surface wave radar

open access: yes, 2017
High frequency surface wave radar (HFSWR), operating at frequencies between 3 and 30 MHz, has long been employed as an important ocean remote sensing device.
Chen, Shuyan
core  

A Circular Fitting Clutter Suppression Algorithm Based on ISAC for Low Altitude UAVs. [PDF]

open access: yesSensors (Basel)
Liu Q   +8 more
europepmc   +1 more source

Vegetal Infrastructure: Rwanda's Eucalyptus Boom and the Material Politics of Tree Planting as a ‘Nature‐Based Solution’

open access: yesThe Geographical Journal, Volume 192, Issue 2, June 2026.
Short Abstract This article analyses the political ecology of Rwanda's eucalyptus boom, situating it as a site of tension within a global push towards ‘nature‐based solutions’. It develops the concept of vegetal infrastructure, demonstrating how certain tree species become legible to global environmental governance while making local social ...
Nathan Clay
wiley   +1 more source

Radar Signal Processing by Wavelet Transform : Suppression of Sea Clutter

open access: yesThe Journal of Japan Institute of Navigation, 1994
Kouji MURAI   +2 more
openaire   +2 more sources

Humanism at the Council of Constance. Diego de Anaya, Classical Manuscripts and Education in Salamanca

open access: yesRenaissance Studies, Volume 40, Issue 3, Page 469-488, June 2026.
Abstract Due to their prolonged and multicultural nature, councils functioned historically as hubs for the exchange of ideas, discourse, diplomacy and rhetoric, reflecting broader cultural trends. In the Middle Ages, no international forums were comparable to ecumenical councils, where diverse and influential groups from various regions convened to ...
Federico Tavelli
wiley   +1 more source

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