From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 2951/CH3/EX3.2.A/additional_ex_2.jpeg | Bin 0 -> 38357 bytes 2951/CH3/EX3.2.A/additional_ex_2.sce | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 34 insertions(+) create mode 100755 2951/CH3/EX3.2.A/additional_ex_2.jpeg create mode 100755 2951/CH3/EX3.2.A/additional_ex_2.sce (limited to '2951/CH3/EX3.2.A') diff --git a/2951/CH3/EX3.2.A/additional_ex_2.jpeg b/2951/CH3/EX3.2.A/additional_ex_2.jpeg new file mode 100755 index 000000000..77e6e7281 Binary files /dev/null and b/2951/CH3/EX3.2.A/additional_ex_2.jpeg differ diff --git a/2951/CH3/EX3.2.A/additional_ex_2.sce b/2951/CH3/EX3.2.A/additional_ex_2.sce new file mode 100755 index 000000000..fd46a85b5 --- /dev/null +++ b/2951/CH3/EX3.2.A/additional_ex_2.sce @@ -0,0 +1,34 @@ +clear; +clc; + + +Fm=3; //frequency of message signal +Fc=8; //frequency of carrier signal +Ea=5; +Eb=10; +m=Ea/Eb; //modulation index + +disp(m,"m="); +USf=Fc+Fm*10^(-3);//Upper Sideband frequency +LSf=Fc-Fm*10^(-3);//Lower sideband frequency +disp(USf,"USf(Mhz)="); +disp(LSf,"LSf(Mhz)="); +Amp=m*Eb/2;// amplitude of each sideband +disp(Amp,"amp(v)="); + + + +function[x,Vm,Vc]=ampmod(Ea,Eb,m,Fc,Fm) + t=0:0.005:5; + + Vm = Ea*sin(2*%pi*Fm*t); + Vc = Eb*sin(2*%pi*Fc*t); + + x = ((Eb+Ea*sin(2*%pi*Fm*t))).*(sin(2*%pi*Fc*t)); + + subplot(3,1,2); + plot2d(t,x); + title('Amplitude Modulated Signal'); +endfunction + +ampmod(Ea,Eb,m,Fc,Fm)//amplitude modulation -- cgit