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two jointly gaussian random variables x and y have means of 1 and 2 and variances of 3 and 2 respectively their
two jointly gaussian zero-mean random variables x and y have respective variances of 3 and 4 and correlation
determine the cdf for a gaussian random variable of mean m and variance sigma2 express in terms of the q-function plot
a second-order butterworth filter has 3-db bandwidth of 500 hz determine the unit impulse response of the filter and
if five cards are drawn without replacement from an ordinary deck of cards what is the probability thata three kings
two events a and b have marginal probabilities p a 02 and p b 05 respectively their joint probability is p acapb 04a
derive an expression for the detection gain of a dsb system for the case in which the bandwidth of the band pass
an am system has a message signal that has a zero-mean gaussian amplitude distribution the peak value of m t is taken
assume that an am system operates with an indexof 06 and that the message signal is 12 cos 8pi compute the efficiency
an ssb system is to be operated with a normalized mean-square error of 005 or less by making a plot of output snr
the message signal on the input to an adc is a sinusoid of 25 v peak to peak compute the signal-to quantizing-noise
in discussing thermal noise at the beginning of this chapter we stated that at standard temperature 290 k the white
the preceding computer exercise problem examined the behavior of a pll in the acquisition mode we now consider the
in chapter 3 we developed a matlab program that can be used to investigate the acquisition performance of a pll using
assume a three-bit adc eight quantizing levels we desire to design a companding system consisting of both a compressor
execute the computer program used to generate the fm discriminator performance characteristics illustrated in figure
a consider the design of an mmse equalizer for a multipath channel whose output is of the formb obtain the optimum tap
fading margin can be defined as the incremental ebn0 in decibels required to provide a certain desired error
a sketch the trapezoidal spectrum p f b by appropriate sketches show that it satisfies nyquists pulse-shaping
consider a baseband antipodal pam system with channel bandwidth of 10 khz and a desired data rate of 20 kbpsa what is
develop a set of performance curves similar to those shown in figure 78 that illustrate the performance of a coherent
for the numerical auto- and cross-correlation matrices of example 811 find explicit expressions write out an equation