Results 11 to 20 of about 3,908,495 (300)

Classification of brightness temperature components for a maize canopy [PDF]

open access: yesIGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477), 2004
In order to modeling directional thermal radiation and energy balance for a partially covered canopy, surface brightness temperature is usually classified into several components. This paper researches the methodology for brightness temperature component classification and temporal variations of component number and values by an in situ experiment ...
Yu, Tao   +6 more
openaire   +3 more sources

The brightness temperature of Mercury at mm-wavelengths [PDF]

open access: yesAstronomy & Astrophysics, 2008
We present observations of Mercury made with the IRAM 30-m telescope at 3, 2 and 1.3 mm wavelength (90, 150 and 230 GHz) during the years 1985−2005; we derive from these data the disk-averaged brightness temperatures. The observations at 3 mm combined with those by Epstein & Andrew allow a separation of the data into 40 ◦ wide longitude intervals and ...
Greve, A.   +3 more
openaire   +4 more sources

A neurodynamical model of brightness induction in V1 [PDF]

open access: yes, 2013
Brightness induction is the modulation of the perceived intensity of an area by the luminance of surrounding areas. Recent neurophysiological evidence suggests that brightness information might be explicitly represented in V1, in contrast to the more ...
Otazu, Xavier   +12 more
core   +2 more sources

TITAN'S SURFACE BRIGHTNESS TEMPERATURES

open access: yesThe Astrophysical Journal, 2009
Radiance from the surface of Titan can be detected from space through a spectral window of low opacity in the thermal infrared at 19 μm (530 cm–1). By combining Composite Infrared Spectrometer observations from Cassini's first four years, we have mapped the latitude distribution of zonally averaged surface brightness temperatures.
Jennings, Donald E.   +19 more
openaire   +3 more sources

The Brightness of Colour [PDF]

open access: yes, 2009
Background: The perception of brightness depends on spatial context: the same stimulus can appear light or dark depending on what surrounds it. A less well-known but equally important contextual phenomenon is that the colour of a stimulus can also alter ...
Haynes, J.   +15 more
core   +2 more sources

A RADIOMETER FOR METEOROLOGICAL MEASUREMENTS WITH ACCURATE CALIBRATION BY THE SKY BRIGHTNESS TEMPERATURE [PDF]

open access: yesРадиофизика и электроника, 2016
Methods for passive sensing the atmosphere in the microwave range are one of important directions of remote sensing of environmental protection. To develop simple and cost-effective technical solutions and radiometric measuring techniques is an important
V. A. Kabanov
doaj   +1 more source

Tropical Cyclone Center Positioning Using Single Channel Microwave Satellite Observations of Brightness Temperature

open access: yesRemote Sensing, 2021
Satellite observations of brightness temperature from the Advanced Technology Microwave Sounder (ATMS) and Microwave Humidity Sounder (MHS) humidity sounding channels can provide relatively high horizontal resolution information about cloud and ...
Yanyang Hu, Xiaolei Zou
doaj   +1 more source

Analysis of SMOS brightness temperature and vegetation optical depth data with coupled land surface and radiative transfer models in Southern Germany [PDF]

open access: yesHydrology and Earth System Sciences, 2012
Soil Moisture and Ocean Salinity (SMOS) L1c brightness temperature and L2 optical depth data are analysed with a coupled land surface (PROMET) and radiative transfer model (L-MEB).
F. Schlenz   +3 more
doaj   +1 more source

Snow stratigraphic heterogeneity within ground-based passive microwave radiometer footprints: implications for emission modeling [PDF]

open access: yes, 2014
Two-dimensional measurements of snowpack properties (stratigraphic layering, density, grain size and temperature) were used as inputs to the multi-layer Helsinki University of Technology (HUT) microwave emission model at a centimeter-scale horizontal ...
Sandells, Melody   +7 more
core   +1 more source

METHOD OF THE ATMOSPHERE BRIGHTNESS TEMPERATURE MEASURING AT FREQUENCIES AROUND 100 GHZ [PDF]

open access: yesRadio Physics and Radio Astronomy
Subject and Purpose. The improvement of the atmosphere brightness temperature measuring method at frequencies of about 100 GHz is considered. The possibilities of the atmospheric carbon monoxide (CO) remote sensing instrument, developed at Institute of ...
A. M. Korolev   +4 more
doaj   +1 more source

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