• No results found

Brightness temperature

Influence of meter-scale wind-formed features on the variability of the microwave brightness temperature around Dome C in Antarctica

Influence of meter-scale wind-formed features on the variability of the microwave brightness temperature around Dome C in Antarctica

... low brightness temperature) and SP2 (“hard snow area”, high brightness temperature) and the radiative transfer model results ...ness temperature is mainly explained by the density in ...

15

Fast Ray Simulation Method Applied in Microwave Radiation Brightness Temperature Imaging

Fast Ray Simulation Method Applied in Microwave Radiation Brightness Temperature Imaging

... Fig. 13 shows the comparison of the two methods when the scale was increased in different ray intervals. The result indicated that the calculation time of the traditional brightness temperature tracing ...

14

SMOS brightness temperature assimilation into the Community Land Model

SMOS brightness temperature assimilation into the Community Land Model

... ness temperature forward simulations based on an open-loop run with 32 ensembles are performed and the ensemble mean climatology and forward simulation anomalies are derived in the same way as for the ...original ...

23

Thermal infrared brightness temperature anomalies associated with the Yushu (China) s7 1 earthquake on 14 April 2010

Thermal infrared brightness temperature anomalies associated with the Yushu (China) s7 1 earthquake on 14 April 2010

... tained. For a certain pixel, the position of satellite and propa- gation path of thermal radiation is almost fixed. For this rea- son, data from a geostationary meteorological satellite are used in this paper although ...

7

Absolute calibration of brightness temperature of the Venus disk observed by the Longwave Infrared Camera onboard Akatsuki

Absolute calibration of brightness temperature of the Venus disk observed by the Longwave Infrared Camera onboard Akatsuki

... However, brightness temperature derived from LIR images contained an unexpected bias that related not to natural phenomena but to a thermal condition of the instru‑ ...the brightness ...

9

Biases caused by the instrument bandwidth and beam width on simulated brightness temperature measurements from scanning microwave radiometers

Biases caused by the instrument bandwidth and beam width on simulated brightness temperature measurements from scanning microwave radiometers

... Here, the work of HW00 is expanded by adding lower ele- vation angles and additional wavelengths that are also widely used for retrieving atmospheric quantities, i.e., liquid water path, temperature and humidity ...

17

The global SMOS Level 3 daily soil moisture and brightness temperature maps

The global SMOS Level 3 daily soil moisture and brightness temperature maps

... full-polarisation brightness temperatures at top of atmosphere (TOA) but with the polarisations ex- pressed in the ground reference frame (horizontal and ver- tical components) over the EASE-Grid ...

23

Solar Measurements for 21 cm
 Wavelength Using 3 m
 Radio Telescope

Solar Measurements for 21 cm Wavelength Using 3 m Radio Telescope

... antenna temperature ( T A ) could be defined as the temperature of antenna radiation resistance, which equals resistance ...the brightness temperature T B , and the antenna normalized power ...

8

Simulation of Multi-Layer Rough Surfaces Media in the Passive Millimeter-Wave Imaging

Simulation of Multi-Layer Rough Surfaces Media in the Passive Millimeter-Wave Imaging

... the brightness temperature differs among the four images and is difficult to discriminate in Figure ...the brightness temperature changes with pitch angle and moisture, we construct four curves ...

12

Retrieval of canopy component temperatures through Bayesian inversion of directional thermal measurements

Retrieval of canopy component temperatures through Bayesian inversion of directional thermal measurements

... tional brightness temperature to retrieve the four component temperatures, and to lesser extent leaf area ...sky temperature fails with this ...most temperature profiles and all but the ...

12

Tapered Antenna Beam with Cosmological Far-off
 Retrieval on Fracto-Sun Signatures and Surfaces Gaits Approachability

Tapered Antenna Beam with Cosmological Far-off Retrieval on Fracto-Sun Signatures and Surfaces Gaits Approachability

... microwave brightness temperature (T b ) were witnessed from retrieval of land surface with solar insolation (I) on Runge-Kutta-Fehlberg solution ...physical temperature supervenes as function of ...

15

Inter-channel uniformity of a microwave sounder in space

Inter-channel uniformity of a microwave sounder in space

... Our characterization of sounding channels in flight demon- strates the potential of using intrusions of the Moon in the DSV as diagnostic tool for AMSU-B. Still higher accuracy is possible with MHS because of its lower ...

10

Near Field Image Reconstruction Algorithm for Passive Millimeter-Wave Imager Bhu-2D-U

Near Field Image Reconstruction Algorithm for Passive Millimeter-Wave Imager Bhu-2D-U

... Abstract—A passive millimeter-wave imager BHU-2D-U based on synthetic aperture interferometric radiometer (SAIR) technique has been developed by Beihang University. The imager is designed for detecting concealed weapons ...

16

Eliminating bias in satellite retrievals of sea surface temperature

Eliminating bias in satellite retrievals of sea surface temperature

... Much of this research builds on work by Albin Zavody (formerly RAL), who has been generous in giving information and answering many queries. ATSR data have been provided by RAL and the ECMWF atmospheric data by BADC. ...

131

Estimation and Validation of Land Surface Temperature (LST) from Landsat 8 OLI and TIRS sensor’s Data

Estimation and Validation of Land Surface Temperature (LST) from Landsat 8 OLI and TIRS sensor’s Data

... surface temperature. This measurement is providing the radiant temperature of a body which depends on two factors such as kinetic temperature and ...surface temperature from Landsat 8, TIRS ...

8

Early detection of potential forest fires using satellite remote sensing techniques

Early detection of potential forest fires using satellite remote sensing techniques

... (NDVI), brightness temperature (BT), Vegetation Condition Index (VCI), Temperature Condition Index (TCI) and Vegetation Health (VH) are explained together with the ...

28

Response of the Effelsberg 100 m radio telescope to signals in the near-field at 24 GHz

Response of the Effelsberg 100 m radio telescope to signals in the near-field at 24 GHz

... and hence the signal strength is given in milli Kelvin (mK) of brightness temperature. For independent calibration and for comparing the artifical signal to an astronomical signal the te[r] ...

5

Absorption Filaments Toward the Massive Clump G0.253+0.016

Absorption Filaments Toward the Massive Clump G0.253+0.016

... The observed J = 1–0 HCO+ brightness temperature of 2–12 K in a cloud in which the kinetic temperature of the gas is estimated to be around 60–80 K indicates sub-thermal excitation at th[r] ...

19

Discussion Measurement Models and Algorithms of the Wind Vector Field Based on Satellite Images

Discussion Measurement Models and Algorithms of the Wind Vector Field Based on Satellite Images

... cal department already has some methods to computing cloud track wind based on the changes of the satellite cloud. Such method is also called cloud motion wind. Izawa and Fujita [1], Hubert and Whitney [2] took ad- ...

5

The 2014 ALMA Long Baseline Campaign: Observations of Asteroid 3 Juno at 60 Kilometer Resolution

The 2014 ALMA Long Baseline Campaign: Observations of Asteroid 3 Juno at 60 Kilometer Resolution

... Our ALMA long-baseline observations of Juno provide the fi rst ground-based images that signi fi cantly resolve the surface of an asteroid at millimeter wavelengths. They provide an independent set of size and shape ...

9

Show all 10000 documents...

Related subjects