backscatter

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Related to Backscattering: backward scattering

backscatter

 [bak´skat″er]
in radiology, radiation deflected by scattering processes at angles greater than 90 degrees to the original direction of the beam of radiation.

back·scat·ter

(bak'skat-ĕr),
Secondary radiation deflected more than 90° from the primary beam. See: scattered radiation.

backscatter

Cytometry
One of two parameters measured in flow cytometry, which is detected at a 90º angle to a laser light beam and corresponds to the fluorescence of individual cells or intracellular components stained with rhodamine- or isothiocyanate-labelled monoclonal antibodies.

Nuclear physics
Electromagnetic radiation—usually understood to be photons, but also ultrasonic waves, etc.—that reflects > 90º from the source, or back in the general direction of a source.

back·scat·ter

(bak'skat-ĕr)
Deflection of diagnostic radiation at angles exceeding 90 degrees to the direction of the beam.

backscatter

in radiology, radiation deflected by scattering processes at angles greater than 90 degrees to the original direction of the beam of radiation. Important in radiotherapy when estimating surface exposure dose.
References in periodicals archive ?
In this study, correlations between volumetric water content and backscattering coefficient were not very strong.
Jackson, "Calculations of radar backscattering coefficient of vegetation-covered soils," Remote Sensing of Environment, vol.
Caption: Figure 4: The relationship between surface cabbage coverage and backscattering coefficient.
Caption: Figure 6: Relationship between backscattering coefficient and volumetric water content (VWC) measured with the TDR method at (a) 05 cm, (b) 0-10 cm, (c) 0-15 cm, (d) 0-20 cm, and (e) 0-30 cm soil layers.
The backscattering coefficient which has been simulated for 1nm nanowire radius reflects the value up to 0.
The common feature among all the scattering coefficients for 1nm 5nm and 10nm is that the backscattering coefficient decreases with the higher values of the electric field.
Where is the flux coming from the source contact and it has been rumoured that there is no backscattering for the flux entering from the source to the channel.
The backscattering coefficient has been studied in detail for 1nm 5nm and 10nm wires.
Finally, (12) and (13) are the backscattering terms for 9 and 10 in Figure 4, respectively.
The theoretical prediction of the backscattering coefficient using the developed model was compared with the measurements obtained from satellites.
At this thickness, the model calculation also shows little change in backscattering returns with thicker ice shelf.
Next, the comparison between the backscattering coefficient obtained from the multilayer model and the one measured by ENVISAT is discussed.