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Radar Backscatter

The use of a radar backscatter model to assess the sensitivity of multi-frequency, -polarisation, and -angle SAR data for detecting the growth stage of oil-palm plantations

The use of a radar backscatter model to assess the sensitivity of multi-frequency, -polarisation, and -angle SAR data for detecting the growth stage of oil-palm plantations

... I would also like to extend thanks to those whose help contributed to this thesis: Dr. Guoqing Sun at the University of Maryland, USA for providing his code for the 3D radar backscatter model and Dr. Julia ...

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The influence of magnetospheric substorms on SuperDARN radar backscatter

The influence of magnetospheric substorms on SuperDARN radar backscatter

... of backscatter begins to fall a few minutes prior to substorm onset, with an overall reduction of 25% in the hour following ...of backscatter is concentrated in the region poleward of 70° magnetic latitude, ...

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Effects of high latitude atmospheric gravity wave disturbances on artificial HF radar backscatter

Effects of high latitude atmospheric gravity wave disturbances on artificial HF radar backscatter

... HF radar backscatter as being caused by the passage of TIDs through the pumped volume of ...HF radar measurements and the electron density perturbations measured by incoherent scat- ter ...HF ...

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High resolution observations of spectral width features associated with ULF wave signatures in artificial HF radar backscatter

High resolution observations of spectral width features associated with ULF wave signatures in artificial HF radar backscatter

... HF radar ob- servations are known to exhibit characteristics related to the ionospheric irregularities being diagnosed and to the mech- anism responsible for creating ...HF radar spectral widths provide a ...

14

Reconstruction of ground penetrating radar backscatter of subsurface features for utility mapping

Reconstruction of ground penetrating radar backscatter of subsurface features for utility mapping

... The prerequisite for extracting buried utility’s geometry and radiometry physical properties is through accurate interpretation of backscatter image, so call radargram. Nowadays, GPR data processing and ...

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Horizontally resolved structures of radar backscatter from polar mesospheric layers

Horizontally resolved structures of radar backscatter from polar mesospheric layers

... Since PMWE are also weaker in absolute reflectivity than PMSE the small number of coherent integrations used in the scanning experiments makes it difficult to detect echoes. The event from 31 December 2010 at around ...

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Relating surface backscatter response from TRMM precipitation radar to soil moisture: results over a semi arid region

Relating surface backscatter response from TRMM precipitation radar to soil moisture: results over a semi arid region

... mapping. Radar backscatter over land depends upon the soil moisture and vegetation characteristics of the land ...vegetation, backscatter primarily depends on the soil moisture charac- ...

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Characterization of L-band synthetic aperture radar (SAR) backscatter from floating and grounded thermokarst lake ice in Arctic Alaska

Characterization of L-band synthetic aperture radar (SAR) backscatter from floating and grounded thermokarst lake ice in Arctic Alaska

... During the timeframe of this study, 1993–2011, we no- ticed that many lakes flipped from springtime grounded-ice to floating-ice status and a few changed from floating-ice to grounded-ice status. Some lakes in the ACP ...

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Persistent enhancement of the HF pump induced plasma line measured with a UHF diagnostic radar at HAARP

Persistent enhancement of the HF pump induced plasma line measured with a UHF diagnostic radar at HAARP

... diagnostic-radar backscatter power for the 4 February 2005 ...diagnostic radar was switched from the upshifted plasma line measurement to the downshifted one at 0340 ...diagnostic radar was ...

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Atmospheric structures in the troposphere as revealed by high-resolution backscatter images from MU radar operating in range-imaging mode

Atmospheric structures in the troposphere as revealed by high-resolution backscatter images from MU radar operating in range-imaging mode

... MU radar site in Shigaraki, Japan, when some radiosondes launched during the campaign managed to sample the MCT, with the MU radar operat- ing simultaneously in a high-resolution mode to provide vivid ...

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Restoration of Speckled SAR Images N. Mohan Raju*, P. Navya, N. Vyshnavi, R.Dharma Teja

Restoration of Speckled SAR Images N. Mohan Raju*, P. Navya, N. Vyshnavi, R.Dharma Teja

... are. Radar images are composed of many dots, or picture ...the radar image represents the radar backscatter for an area on the ground: Bright areas represent high backscatter (bright ...

8

Soil moisture, depth of water table and peat decomposition in Sadong Simunjan river basin, Sarawak using AIRSAR/TOPSAR data

Soil moisture, depth of water table and peat decomposition in Sadong Simunjan river basin, Sarawak using AIRSAR/TOPSAR data

... theoretical radar backscatter models were examined in this study to characterize radar backscatter of TOPSAR data over coastal lowland of Sadong Simunjan River Basin, Sarawak, ...between ...

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Use of ENVISAT ASAR Global Monitoring Mode to complement optical data in the mapping of rapid broad-scale flooding in Pakistan

Use of ENVISAT ASAR Global Monitoring Mode to complement optical data in the mapping of rapid broad-scale flooding in Pakistan

... shows radar backscatter values acquired on 20 Au- gust ...as radar dark in the first ...low backscatter is considered to be the result of attenua- tion and absorption of the signal, rather ...

20

Satellite Remote Sensing of the Greenland Ice Sheet Ablation Zone: A Review

Satellite Remote Sensing of the Greenland Ice Sheet Ablation Zone: A Review

... Ku-band backscatter over the bare ice ablation zone is dominated by surface scattering from the rough (and seasonally saturated) ice surface but volume scattering has received little direct study and may be ...

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3-D Front Reconstruction From Radarsat-1 SAR Data

3-D Front Reconstruction From Radarsat-1 SAR Data

... Based on significant wave height modeled by using velocity bunching and radar backscatter cross section across front, Fuzzy numbers are generated. In doing so,two basic notions that we combined together: ...

10

Nanodust shedding and its potential influence on dust related phenomena in the mesosphere

Nanodust shedding and its potential influence on dust related phenomena in the mesosphere

... of radar backscatter the “ overshoot characteristic curve ” ...the backscatter during the time the heater is kept ...the backscatter by a factor that can be up to ~6 above the ...

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Low-Frequency Sea Surface Radar Doppler Echo

Low-Frequency Sea Surface Radar Doppler Echo

... normalized radar backscatter cross section (NRCS) and Doppler velocity (DV) exhibit energy at low frequencies (LF) below the surface wave ...of radar DV is quasi-Gaussian suggesting virtually little ...

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Soil Moisture Mapping Using Active Microwave for a Semi-Distributed Hydrologic Model: Case study in Turkey

Soil Moisture Mapping Using Active Microwave for a Semi-Distributed Hydrologic Model: Case study in Turkey

... from radar imagery for bare soil surfaces is introduced as the second step establishing a relationship between radar backscatter and three governing surface parameters namely local incidence angle, ...

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Passive amplitude-modulated microwave backscatter modulation system

Passive amplitude-modulated microwave backscatter modulation system

... This isolation battery life, power Microwave backscatter reflection of the reader's carrier wave, or their transponder backscatter are range MBM of Probe design system is than CPCA modul[r] ...

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The Captured Locations of Spoofers through Applying Pit on the Path Backscatter Dataset

The Captured Locations of Spoofers through Applying Pit on the Path Backscatter Dataset

... We proposed Passive IP Traceback (PIT) which tracks spoofers based on path backscatter messages and public available information. We specified how to apply PIT when the topology and routing are both known, or the ...

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