Kurukshetra University 2007 B.Tech Electronics and Communications Engineering SIGNAL AND SISTEM supplimentry - Question Paper
Sisnal and System 2007 supplimentry
Paper-ET-202-E
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Signals and Systems Paper ; E l -202
'fimt: TIlto Horn*] LMwcimutB Marks; 75
Note :- Aucmpt any FIVE questions.
1. (a) EspEain the difference between deienninistie signa] ndnrndmn
signal with suitable example. &
(b} Show thai the signal given by it(iT U(L - 1) Is.ncither un energy signal nor a power signal. 9
2. (a) Explain rhe linearity and lime scaling properties of Fourier
transform.
(b) Find the triynomctric Fourier series representation fur Lite rectified sine wave shown in fig. 1
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Fit,-!
(a) Define probability tensity function [PDF), Explain different properties of PDF. 6
3.
4.
(h) State and explain sampling theorem for ranr.inuuns rime sinu
(a) Obtain die Lap)ace LiansfoTjD ufHie pcrifKUt sawftwdi waveform shown in fij-
10
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yf*) - ~ f(h- i}+4yiT> -2? - xrn)
4 a-
iv[j}v 3t(n) n*yj id? lhe [uput Md ootpiit of lie aiystcru reHinxiiwety.
(LJ Ddrrttticm the system fimctiwi fu) Find imputes rcipotUc M,ti) ctf lyjtcqiL (liO slcp rcsjKut: itfn) uf syUem. 9
ft) EjpJawijiiitaJinB, atvi tlme-revenal property or
*-li;iDaf(>nn. 6
l fi) tJctmrLinc wbrfherthe EuNtJwjjig system bUficartfrHOE:
Ql
{b& L'befJt tiic cnttsalily of the Cdkwingsystenia:
fc) Diftferfitufcle thrTwecn metticry and mettmcytes* lyftenu with irtijthW-C rXlttnJtlrt, 4
~i. fi) Drlcrrilfnti ibe cojrvgtulifjn af tlie tlvfi LBntiuunuliine AlfltfliafljJ pfhtn bdow;
*(t) cos ii its dl I
V for t-tO eH for
lb) Dtseus#ifwfoJkrvrin*properties oftfiscrrteJSic LTJ in
tirufr "
CaraiBrtftlEtt properly (ij) niiflribu[w]ffOfcily
(iii) AaiocLuiJvti prdfny. 6
J, Vi'ntc*but1 nnlcdi un fa-1 Lowing. 1
fO System MrttlcPliilK id Iftffls i>f IfcilC Vkfinle
fir] (.'-onvHniiTH] rhoortim. ?'A+r?,A
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| Earning: Approval pending. |
