Hey Guys,
Quick question from a book I'm reading. The book states that with a Bessel filter "the linear phase shift for all frequencies in the passband means that the fundamental frequency and harmonics of a nonsinusoidal input signal with shift linearly in phase as the pass through the filter."
Why does the signal have to be nonsinudoidal?
Thanks in advance for any help,
Austin
Quick question from a book I'm reading. The book states that with a Bessel filter "the linear phase shift for all frequencies in the passband means that the fundamental frequency and harmonics of a nonsinusoidal input signal with shift linearly in phase as the pass through the filter."
Why does the signal have to be nonsinudoidal?
Thanks in advance for any help,
Austin