Example 9.3 Consider a spectrum of input signal X〖(e〗^jw) with a bandwidth of -π/2 to +π/2 as shown in fig 1.When signal is downsampled by a factor D, sketch the spectrum of a downsampled signal for sampling rate reduction factor D 2, 3 and 4.
Example 9.3Consider a spectrum of input signal X〖(e〗^jw) with a bandwidth of -π/2 to +π/2 as shown in fig 1.When signal is downsampled by a factor D, sketch the spectrum of a downsampled signal for sampling rate reduction factor D 2, 3 and 4.