True white noise can never exist in a physical system. The noise bandwidth of a

Question

True white noise can never exist in a physical system. The noise bandwidth of a simple RC filter is equal to its cutoff frequency. The noise figure of an amplifier usually depends on the source resistance driving the amplifier. Alias distortion results from a non-flat passband shape in the reconstruction filter. Pulses can exist that are both band-limited and ISI-free. A matched filter is designed to match the PSD of the incoming noise. Delta modulation is a form of PAM in which the pulse shapes are triangular.

Explanation / Answer

1. True

The True white noise can never exist in the physical system it is only mathematical approach

2. False

The noise bandwidth = (pi)/(2*cutoff frequency)

3.True

4.True

5. False

6. True

7. True

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