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a wire line channel of length 1000 km is used to transmit data by means of binary pam regenerative repeaters are spaced
let xn be a finite-duration signal with length n and let xk be its n-point dft suppose we pad xn with l zeros and
repeat problem 1219 for hard-decision viterbi decodingproblem 1219determine the error probability for an fh spread
the parity polynomials for constructing gold code sequences of length n 7 aregenerate all the gold codes of length 7
in section 122-3 we demonstrated techniques for evaluating the error probability of a coded system with interleaving in
the tats signal described in section 123-3 is demodulated by a parallel bank of eight matched filters octal fsk and
repeat problem 1219 when fast frequency hopping is performed at a hopping rate of l hops per coded bitproblem
consider the following two miso 2 1 systems with awgn the first employs the alamouti code to achieve transmit diversity
consider a material with measured strength values f given in table 12 assume the expected stress values to be one-half
1 name three parameters that must be reported along with experimental data of stiffness and strength of pmc2 do pmc
1 what is the detrimental effect of an incompletely cured thermoset matrix on the life of a pmc2 explain how the matrix
what is the effect of temperature and moisture on the mechanical properties of a polymer use empirical formulas to plot
1 explain polar winding and its limitations2 what are the differences between smc and bmc3 with reference to autoclave
a cylindrical pipe with diameter d 10 m is subject to internal pressure p 50 mp a but it is free to expand along the
identify the fragment in this paragraph by underline the first word of the fragmenthe looks like an escapee from some
this problem was suggested by pf swaszeka for a binary source with probabilities p0 09 pl 01 design a huffman code
a source emits letters from an alphabeta calculate the entropy of this sourceb find a huffman code for this sourcec
use the programs huf fenc and huf fdec to do the following in each case use the codebook generated by the image being
given the sequence thebbetabcatbatebthebcetabhata encode the sequence using the ppma algorithm and an adaptive
design and implement a digram coder for text files of interest to youa study the effect of the dictionary size and the
to study the effect of dictionary size on the efficiency of a static dictionary technique we can modify equation 51 so
generate a binary sequence of length l with p0 08 and use the arithmetic coding algorithm to encode it plot the
given the frequency counts shown in table 410a what is the word length required for unambiguous encodingb find the
the binary arithmetic coding approach specified in the jbig standard can be used for coding gray-scale images via bit
1 for an alphabetwith probabilities01 design a 3-bit tun stall code2 write a program for encoding images using the rice