The Agency's missile detection system, Project [ deleted ] based on backscatter radar is an example.
32.
Somewhat like waves on the ocean, the character of the ionosphere could be inferred from the backscatter signal.
33.
Some of this light backscatters in the direction of the sunlight as it passes back through the dew droplet.
34.
The TSA has also made public various independent safety assessments of the Secure 1000 Backscatter X-ray Scanner.
35.
At most airports, the machines were replaced either by millimeter wave scanners or backscatter X-ray machines.
36.
These advances have allowed some multibeam backscatter data to achieve a quality comparable to that of sidescan sonar imagery.
37.
However this can not be guaranteed in an underwater scene, because of dispersion and backscatter as mentioned earlier.
38.
Scientists can't find a cure for the common cold, but they can invent " backscatter"
39.
_" Backscatter " machines, which bounce low-level X-rays against a person in a booth.
40.
Coherent backscatter is similar to Bragg scattering in crystals and involves the constructive interference of scattering from ionospheric density irregularities.
