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THE LOW BACKSCATTERING OBJECTS CLASSIFICATION IN POLSAR IMAGE BASED ON BAG OF WORDS MODEL USING SUPPORT VECTOR MACHINE
Low Backscattering Objects Bag of Words SIFT features Support Vector Machine
2018/5/16
Due to the forward scattering and block of radar signal, the water, bare soil, shadow, named low backscattering objects (LBOs), often present low backscattering intensity in polarimetric synthetic ape...
An application on optical backscattering reflectometer OBR
Bending loss splicing loss of detail short fiber network optical fiber optical fiber type reflectometer
2014/12/31
The main objective of this project is to understand the basics information on bending loss and splice loss with detail experiment on Luna instrument for a short network fiber. A historical perspective...
The synergy of optical data with microwave backscattering model for the retrieval of soil and vegetation conditions in heterogeneous Mediterranean environment
Remote Sensing SAR Mediterranean Biomass Semi-empirical modeling
2014/12/29
Estimation of soil moisture and vegetation biomass over wide regions is needed for a better understanding of ecological conditions and for monitoring desertification processes in fragile environments ...
Radar backscattering measurement of bare soil and vegetation covered soil using X-band and full polarization
Land Cover Active Remote Sensing Microwave Remote Sensing Radar backscatter Scatterometer Look angle Polarization
2014/12/15
The objective of the study is to measure backscattered power of bare soil and vegetation covered soil using X-band scatterometer system with full polarization and various angles during monsoon season ...
Study of Discrimination Between Plantation and Dense Scrub Based on Backscattering Behavior of C Band SAR Data
Polarization RISAT-I ENVISAT ASAR
2014/12/15
The study about on landuse and landcover classification using multi polarization and multi temporal C-band Synthetic Aperture Radar (SAR) data of recently launched multi-mode of RISAT-1 (Radar Imaging...
The backscattering characteristics of thermokarst lake ice in the qinghai-tibet plateau from SAR
Backscattering Thermokarst Lake ice QTP SAR Temporal variability
2014/9/29
A thermokarst lake is an important indicator of changes in climate, which cause considerable thermal distribution to the surrounding permafrost. The imaging radar has demonstrated the capability to de...
Modeling Coherent Backscattering Errors in Fiber Optic Gyroscopes for Sources of Arbitrary Line Width
Backscattering drift backscattering noise fi ber optic gyroscope laser phase noise
2015/8/7
We present a new model of the noise and drift induced by coherent backscattering in a fiber optic gyroscope (FOG) interrogated with a light source of arbitrary temporal coherence. This study is ...
BACKSCATTERING OF INDIVIDUAL LIDAR PULSES FROM FOREST CANOPIES EXPLAINED BY PHOTOGRAMMETRICALLY DERIVED VEGETATION STRUCTURE
Canopy imaging silhouette footprint echo triggering waveform LiDAR
2014/4/24
In recent years, airborne LiDAR sensors have shown remarkable performance in the mapping of forest vegetation. This experimental study looks at LiDAR data at the scale of individual pulses to elucidat...
SPHERES, Julich's High-Flux Neutron Backscattering Spectrometer at FRM II
SPHERES Julich's High-Flux Neutron FRM II Instrumentation and Detectors
2012/4/24
SPHERES (SPectrometer with High Energy RESolution) is a third-generation neutron backscattering spectrometer, located at the 20 MW German neutron source FRM II and operated by the Juelich Centre for N...
Diagrammatic pump-probe approach to coherent backscattering of laser light by cold atoms: Double scattering revisited
Diagrammatic pump-probe coherent backscattering of laser light cold atoms Double scattering revisited Atomic Physics
2012/4/20
We present a diagrammatic derivation of the coherent backscattering spectrum from two two-level atoms using the pump-probe approach, wherein the multiple scattering signal is deduced from single-atom ...
In situ variability of mass-specific beam attenuation and backscattering of marine particles with respect to particle size, density, and composition
mass-specific beam attenuation size density composition
2014/4/4
This study analyzes relationships between concentration of suspended particles represented by dry mass,
[SPM], or area, [AC], and optical properties including particulate beam attenuation (cp), side ...
In situ variability of mass-specific beam attenuation and backscattering of marine particles with respect to particle size, density, and composition
In situ variability mass-specific beam attenuation backscattering marine particles respect to particle size density and composition
2014/4/2
This study analyzes relationships between concentration of suspended particles represented by dry mass,[SPM], or area, [AC], and optical properties including particulate beam attenuation (cp), side sc...
Modelling the backscattering coefficient of salt-affected soils using AIEM model
Soil salinity dielectric constant dielectric mixing model backscattering coefficient AIEM
2013/9/2
Soil salinity principally affects soil properties, environment and productivity of agricultural areas for developing countries. Currently, no inversion algorithms exist for directly determining soil s...
Determination of Carrier-Envelope Phase of Relativistic Few-Cycle Laser Pulses by Thomson Backscattering Spectroscopy
Carrier-Envelope Phase ew-Cycle Laser Pulses Thomson Backscattering Spectroscopy
2011/9/2
A novel method is proposed to determine the carrier-envelope phase (CEP) of a relativistic few-cycle laser pulse via the central frequency of the isolated light generated from Thomson backscattering (...
Variability in optical particle backscattering in contrasting bio-optical oceanic regimes
Variability contrasting bio-optical oceanic
2014/4/8
Variability in the optical particle backscattering coefficient (bbp) is investigated in oceanic waters from two
sites, namely the BOUe′e pour l’acquiSition d’une Se′rie Optique a` Long termE site in ...