EECE 442 Final, Summer 2005
American University of Beirut · Communication Systems · 12 pages
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ZECEF4AL Final Exam Sohtem — Stummer2005
Frablem ge 4
@) vt Bit Vale at fhe op phe FCM transmiWe
os given by ;
Bet rate = 3h = EXAXIOX b (5é=2%)
7s Zor
= 64,000 Kits / fee.
(b) Vee. bk vats alse aalput 4 DPemM
Htranemi la 28 |
Bt rate = 64000 ~ L&OO y rg — te ood a
/o0
=p & L = 48000 _
h 4 G00 é
=> 4, = 2° = 64. tut.
Te sig sive te PCM Op Bee PON
-{= Bd kathy,
2 0.0
pulheran e Ma typit-ts He Dre
As}
DR = _E#-XM 5 yb
Decem = L5G
WAL
Goblin Zt xL
m CL) = Any cos (t,t) Vothy,
(4) Ay =5 Hlé,
ty = hx 4X /0° = EB xx lor (ak/hee.,
LZ 4
(b) lew = = fog
& Sp Dpem Aspen Beem
1% /2
; , =/oox (SNR) PCH
Pe /oo “bp et a
=p Pe vpem _ PR pey — /o
L lok fo L.
Tip bem ge 3
mlb)= A sca (ard) +.2A sin (TE) ¥.
(| dnl. |aprrcatard)+ a6 are)
th
=p flax [x4 =474
(6) 7 WA ann w As Sipe toed cot
a 2) one 4) |
fennel raphe Af
(C) Arax = ATA € 25 Mis. Af,
«aw
Anne < 2 a,
=D Aina < s
167 A
yea hae
til hoc = hog = oe a
thee. W= 28 is Ke. bende Lh m LL.
Tle
Neale Ye Sizer ToC) Can bt tesed G
| cp las faa. (Laan fr ahi! He Mawe'Metny
Mt dmplitude. br a \nie. Aignal
t Wed Hope IXef had dilorte as gel
ye =e ap DG
“1x $00 LIX 3.4103
<7!
6, plat hate
- fer
= Noy ge ahle LE: 1s fhe. Luly ov
=P EF IU) = MAT
ENA) ZN AD ar
LAC) LAT
- 25,
(4)
N,
A, 0 <242T%
o b= f-4 V.<t 27°
OQ, Law hots.
EP = | pt8) de = 4%
O
[200 =e"
El (tty = A & = NAT.
ie x“
PS hi
(Wh) = FAT cpasot te Ke (suk) ethene
|
|
|
|
Te. Gaush of t+ = tT X¢ bts Jem He—
sulpeh poclee Mat corrigtanct Atle t lhe
lied pclae WLC rotontribattn ee
frevinedy dyanem ied prtck, Pheowt, A TST.
Fiblen LES
OY Ue A lectaagucter pbuh ate Lartoly pdt
=p Sram Phi dl protdels prt “Gh fre.
SHhensrmal uiAtir
fy = A. _! » Of¢€6T
Vip VT
M5) = [O 5 lt) = A oc€eT
O, heewbe— 0, lth ba—
Seg
A SO) = LNT db (e)
LO=NF ble
$@ =—alr 4 |
© =F 4 &
mw X
7"
Silt) tH fe
4
(S Sea
INT +M,, of 5349
X =
Sak
5, CO &
ONE” ) tt CE) ts Seu
—AIT + wf
SAAT YW, , (5, CE t's seid.
W = [waswae
7 N
naan
é
= of (Ae +p of Gaus |
(b) 5, U/=08f coslurt), 02¢2T-
5 O=A cos(wt), o<t<T
5,0 =-Aws (wt), oct
94) =-4A torltay) acter
b= 28 Acs(wt
=f/2 cos (et), afte T
> 5H =4A/T 6
SO = A(E f ()
S(Q= -AJE 4 (¢)
5.0 =—1NE ¢ (
As “x fart (a), ine. Correlelor vis le be teed kite
a Will Wh a pully rs ne PH Hp leer
ahve. ih pron biel Ly patnedisws Ct. aber
ah a! Pert (ap bab bode f= rep laced by JE