2.10. Compute the rounding quantization error variance for an Analogue to Digital Converter (ADC) with a quantization interval equal to Δ. Assume that the signal distribution is uniform and that the noise is stationary white noise.

v2.11. What is the mean and autocorrelation of the random phase sinusoid defined by, ) sin( ] [ 0 φ ω + = n A n x , given that A and ω

0 are fixed constants and φ is a random variable that is uniformly distributed over the interval

−π toπ . The probability density function for φ is,

elsewhere , 0 2 1 ( )
π α π
φ α π
− ≤ <
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Repeat the computations for the harmonic process, x[n] = Ae j(nω0 +φ ) .