Results 91 to 100 of about 648,996 (229)

Unique Vertical Characteristics of Hydrometeors Observed in the Tropical Cyclone Outer Rainband Region

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 15, 16 August 2026.
Abstract This study investigates the vertical cloud microphysics in the stratiform sectors of Hurricane Tammy's outer rainband region and their relationship to local environments. We used in situ Optical Array Probe (OAP) measurements and tail‐Doppler radar data from four NOAA P‐3 spiral modules on 19–22 October 2023, as Tammy intensified from a ...
Xin Yang, Xuejin Zhang, Jun A. Zhang
wiley   +1 more source

Polarisation basis transformation of weather radar measurements in the power domain [PDF]

open access: yesAdvances in Radio Science, 2009
Polarisation diversity in radar remote sensing proved to be very successful in a variety of applications. Hydrometeors as raindrops or ice crystals are anisotropic radar targets giving rise to the use of polarisation diversity in weather radars.
T. Otto, J. Lu, M. Chandra
doaj  

The SARTOM Project; Tomography for enhanced target detection for foliage penetrating airborne SAR [PDF]

open access: yes, 2008
The SARTOM project addresses a key area of defence interest, namely the detection and identification of targets hidden in foliage. The project has provided a rich source of data obtained from a series of flight trials that were conducted in September ...
Nannini, Matteo   +4 more
core  

Initial investigations into achievable target detection performance in sea clutter with fully polarimetric radar

open access: yes, 2022
6 S.The use of full (quad) polarisation to improve target detection performance in sea clutter compared to single polarisation radar is explored. For surveillance (search) radar, little information is available in open literature dealing with the ...
Cilliers, J.E.   +3 more
core   +1 more source

Foliage penetration effect on polarimetric SAR interferometry observation of forest [PDF]

open access: yes, 2008
The capability of electromagnetic waves to penetrate trough foliage (FOLPEN), combined with the potentialities of the polarimetric SAR interferometry (POL-InSAR) are demonstrated to be valid instruments for the investigation of forest characteristics and
Viergever, Karin M.   +4 more
core  

Electromagnetic Models for the Retrieval of Surface Parameters through SAR Images [PDF]

open access: yes, 2011
Nowadays, several private or public institutions require the knowledge of many ground physical parameters, i.e. permittivity, ground roughness, soil moisture content, vegetation biomass-index, and so on.
Natale, Antonio
core   +1 more source

Multi-temporal high-resolution polarimetric L-band SAR observation of a wine-producing landscape [PDF]

open access: yes, 2006
In continuation of the BACCHUS project, aimed at establishing a reference high quality geographic information system for vineyards, an airborne SAR survey has been carried out in fall 2005 in the Frascati area, near Rome (Italy) to demonstrate the ...
Bianchi, Remo   +15 more
core   +1 more source

PCCN: Polarimetric Contexture Convolutional Network for PolSAR Image Super-Resolution

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Polarimetric synthetic aperture radar (PolSAR) can acquire full-polarization information, which is the solid foundation for target scattering mechanism interpretation and utilization. Meanwhile, PolSAR image resolution is usually lower than the synthetic
Lin-Yu Dai, Ming-Dian Li, Si-Wei Chen
doaj   +1 more source

Polarimetric Scattering Model for Methane Bubbles Trapped in the Ice of Sub-Artic Lakes [PDF]

open access: yes, 2012
In this work we propose a model for the polarimetric backscattering of shallow sub-arctic lakes, which are frozen usually up to two meters depth during winter.
Kostas Papathanassiou   +3 more
core   +1 more source

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