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develop a computer program to generate the amplitude spectrum at the output of an fm modulator assuming a square-wave
modify the simulation program given in computer to allow the sampling frequency to be entered interactively examine the
a channel of bandwidth 4 khz is available determine the data rate that can be accommodated for the following line codes
it is desired to transmit data at 9 kbps over a channel of bandwidth 7 khz using raised-cosine pulses what is the
the analog multi meter in figure 56 is set on the 3 v range to measure dc voltage the pointer is at 150 on the upper
voltage dividersprocedureopen multisim softwareprogram files -gt national instruments folder -gt circuit design suite
procedureopen multisim softwareprogram files -gt national instruments folder -gt circuit design suite -gt
given the following functions of taua sketch each function and fully dimensionb find the fourier transforms of each and
a stationary random process n teth thorn has a powera find and sketch the power spectral density of the outputb obtain
a power spectral density given byis desired a white-noise source of two-sided power spectral density 1 whz is available
find the noise-equivalent bandwidths for the following first-and second-order lowpass filters in terms of their 3-db
an am system has a message signal that has a zero-mean gaussian amplitude distribution the peak value of m t is taken
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 process of stereophonic broadcasting was illustrated in chapter 3 by comparing the noise power in the lt-rt channel
assume that the input to a perfect second-order pll is an unmodulated sinusoid plus band limited awgnalso assume that
the message signal on the input to an adc is a sinusoid of 25 v peak to peak compute the signal-to quantizing-noise
develop a set of performance curves similar to those shown in figure 78 that illustrate the performance of a coherent
in chapter 3 we developed a matlab program that can be used to investigate the acquisition performance of a pll using
the preceding computer exercise problem examined the behavior of a pll in the acquisition mode we now consider the
assume a three-bit adc eight quantizing levels we desire to design a companding system consisting of both a compressor
a baseband digital transmission system that sends plusmn a-valued rectangular pulses through a channel at a rate of
consider psk with m frac12a by how many degrees does the modulated carrier shift in phase each time the binary data
a channel of bandwidth 50 khz is available using null-to-null rf bandwidths what data rates may be supported bya bpskb
develop a computer simulation of an integrate-anddump detector for antipodal baseband signaling based on 81 generate at
write a computer program to evaluate degradation due to flat rayleigh fading at a specified error probability include