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a satellite in geosynchronous orbit is used as a regenerative repeater in a digital communication system consider the
suppose that the loop filter see equation 52-14 for a pll has the transfer functiona determine the closed-loop transfer
a dms has an alphabet of eight letters xi i 1 2 8 with probabilities 025 020 015 012 010 008 005 and 0051 use the
a dms has an alphabet of five letters xi i 1 2 5 each occurring with probability 1 5 evaluate the efficiency of a
find the lempel ziv source code for the binary source
design a ternary huffman code using 0 1 and 2 as letters for a source with output alphabet probabilities given by 005
two discrete memory less information sources x and y each have an alphabet with six symbols x y 1 2 3 4 5 6 the
consider the binary-input quaternary-output dmc shown in figure p6571 determine the capacity of the channel2 show that
a telephone channel has a bandwidth w 3000 hz and a signal-to-noise power ratio of 400 26 db suppose we characterize
a discrete memory less channel is shown in figure p6511 determine the capacity of this channel2 determine r0 for this
x is a binary memoryless source with px 0 03 this source is transmitted over a binary symmetric channel with
each sample of a gaussian memory less source has a variance equal to 4 and the source produces 8000 samples per second
a discrete memory less source produces outputs a1 a2 a3 a4 a5 a6 a7 a8 the corresponding output probabilities are 005
a discrete-time memory less gaussian source with mean 0 and variance sigma2 is to be transmitted over a binary
the generator matrix for a linear binary code isa express g in systematic ip formb determine the parity check matrix h
when an n k hadamard code is mapped into waveforms by means of binary psk the corresponding m 2k waveforms are
a code c consists of all binary sequences of length 6 and weight 31 is this code a linear block code why2 what is the
letgx x8 x6 x4 x2 1be a polynomial over the binary fielda find the lowest-rate cyclic code with generator
for functions in exercise 38 determine the fixed polarity arithmetic expressions and show that the fprm- repressions
compare the number of non-zero coefficients in the fprm expressions for the function f in exercise 36exercise
for the function represented by the bdd in fig 431 calculate the arithmetic spectrum over this bdd and show the
consider the kronecker decision tree in fig 437 determine the functional expression for f by this diagram and write the
reduce the kronecker decision tree in fig 437 determine the function f represented by this diagram and write the
draw the positive and negative reed-muller decision diagrams for the function f in exercise 41exercise 41determine the
discuss complexity of calculation of the boolean difference of a function of n variables by fft-like algorithms and