For example, in order to sample FM radio signals in the frequency range of 100–102 MHz, it is not necessary to sample at 204 MHz (twice the upper frequency), but rather it is sufficient to sample at 4 MHz (twice the width of the frequency interval).
for example in order to sample fm radio signals in the frequency range of 100–102 mhz it is not necessary to sample at 204 mhz (twice the upper frequency) but rather it is sufficient to sample at 4 mhz (twice the width of the frequency interval)