The ability to avoid enemy radar requires that modern fighter aircrafts, ships, and missiles have a very small radar cross section (RCS). Researchers and engineers are working on making these stealth objects rely on computational electromagnetics (EM) to optimize the RCS and scattering effects of an arbitrary object using radars. An object exposed to EM waves scatters the incident energy in all directions. The energy that returns to the source of the EM wave, known as backscattering, is the
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