The term chi-square, chi-squared, or
has various uses in
statistics:
*
chi-square distribution, a continuous probability distribution
*
chi-square test, name given to some tests using chi-square distribution
*
chi-square target models Fluctuation loss is an effect seen in radar systems as the target object moves or changes its orientation relative to the radar system. It was extensively studied during the 1950s by Peter Swerling, who introduced the Swerling models to allow the ef ...
, a mathematical model used in radar cross-section
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