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  1. Anonymous3 November 2018 at 08:41

    how to contact you to clear my doubts

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    1. hukjnk4 November 2018 at 09:13

      You can mail me on akshayadivarekar777@gmail.com

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How to plot different discrete signal using MATLAB

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1. Introduction :- Here we are going to plot 1) unit impulse function 2) unit step signal 3) Ramp signal 4) sine signal 5) rising exponential 6) decaying exponential 2 . Problem Statement :- To plot different discrete signal using MATLAB. 3. Program :- clc; close all; clear all; n=-10:10; % unit impulse function a=1*(n==0); subplot(3,2,1) stem(n,a) xlabel('n discrete time') ylabel('magnitude') title('unit impulse') % unit step function b=1*(n>=0)+0*(n<0); subplot(3,2,2) stem(n,b) xlabel('n discrete time') ylabel('magnitude') title('unit step') % unit ramp function c=n.*(n>=0)+0*(n<0); subplot(3,2,3) stem(n,c) xlabel('n discrete time') ylabel('magnitude') title('unit ramp') % unit sine function f=7/8; mag=1 d=mag*sin(2*pi*f*n); subplot(3,2,4) stem(n,d) xlabel('n discrete time') ylabel('magnitude') title('sine function') % rising expon...
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How to do Amplitude Shift Keying (ASK) using MATLAB

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1. Introduction :- Amplitude Shift Keying(ask) is the simplest method of modulation. the amplitude of carrier wave varies with respect to the amplitude of square pulse. The of achieving of ASK is to switching OFF the carrier when the pulse amplitude is '0' and switching ON when carrier when the pulse amplitude is '1'.this method is called as ON-OFF keying. 2 . Problem Statement :- To generate the ASK wave using MATLAB and plot the carrier ,square pulse and ASK signal on figure window. 3. Program :- clc; clear all; close all; f1=input('Enter the frequency of carrier='); f2=input('Enter the frequency of pulse='); a=3; t=0:0.001:1; x=a*sin(2*pi*f1*t); u=a/2*square(2*pi*f2*t)+a/2; v=x.*u; subplot(3,1,1); plot(t,x); xlabel('time'); ylabel('amplitude'); title('carrier'); grid on; subplot(3,1,2); plot(t,u); xlabel('time'); ylabel('amplitude'); title('square pulse'); grid on; subp...
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