A certain radar operates at two PRFs, \(f_{r 1}\) and \(f_{r 2}\), where \(T_{r 1}=\left(1 / f_{r 1}ight)=T / 5\) and \(T_{r 2}=\left(1 / f_{r 2}ight)=T / 6\). Show that this multiple PRF scheme will give the same range ambiguity as that of a single PRF with PRI \(T\).