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Question 1:
In a binary transmission system, two pulses shown in the Figure 1 are applied for an orthogonal signalling scheme. Determine and draw the impulse response of their matched filters.
Question 2:
In a digital transmission system, binary data are transmitted by rate 36 Mb/s utilizing M-ary PAM signal. Transmitted signal is a band-limited raised cosine signal, whose specifications are shown in Figure 2.
a) Determine the value of M and roll-off factor.
b) Assume that Signals are transmitted over a band-limited AWGN channel. What is the minimum value of Eb/N0 and SR based on probability of a bit error less than 10-6 and N0=10-17 W/Hz?
Question 3:
Consider a (15,5) cyclic code with generator polynomial g(x)=x10+x8 +x5 +x4 + x2 +x+1.
a) Determine generator matrix of this code.
b) Draw a shift-register based encoder circuit of this code
c) What is the minimum distance of this code?
Convert from hexadecimal form (base 16) to binary form (base 2): 7A base 16 - 1111010 base 2 I used the table to work out (7 x 16^1) + (10 x 16^0) = 7 base 16= 7 base 10 = 111 base 2 A base 16 = 1010 base 2
define how each type compromises a system. How can these different types of malware be stopped.
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