Question

(b) IT SUIS JILI find m(t) 10. An angle-modulated signal is described by the equation below (1) = 10 cos(2111084 +200 cos 2.10°r)

Answer 1

AS PER GUIDELINES ANSEWRING ONE QUESTION IS ENOUGH..

9Ans Griven angle modulateol. SI) z 10 cos ( 241 X106+ + 0.1 Sin ( 109 cas suis phase modulated then kp-10 general form of phase modulated signal. Sut). Als (211 fet + kp mut)) OLH)2 2018ct +Kp Mit) -> Comparing with guen Olk) 04), 211X10*4 + 0. Sin (100+) = 29x10°+ + 0.1X40 Sin (100+) > 21110 + + to x 0.Sin (lot) -> comparing ① 1③ kzl0m ) 2 0.01 Sin (103Tt). () 26 34) is frequency modulated wim Kf = 101T general form of frequency modulated signal su? Acos (2ndd + 20 ke smrtide) de fitbe fe t tex met) Dile) given Bilt) - 201 410*t +0. Sin 170-17 +) Now 016) 20x10+ Dolcos (10^nt) lon Now to (211 410° + 0.160s tient) lon7 * 10ʻ+ Ox! X10% COS (10391+) • 10€ + 10 OS X103 603(10318+)

2 10° + 1OTT 103 x 0.1 Los(10319+) 10 ITX2 + fee 106 Kf = 1017 mut)e 103x0.1 cos (10387+) 1011 X2 Mut) = 1,59 C09 (10317+)