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Showing posts with label ECE. Show all posts
Showing posts with label ECE. Show all posts
Electronic Circuit Analysis (ECA) Lab Manual Download
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ECA.pdf
Electronic Circuit Analysis...
Principles of Electrical Engineering (PEE) LabManual Download
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ElectricalEngineerigLabManual-IIECE.pdf
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Pulse and Digital Circuits (PDC) Lab Manual Download
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PDC lab manual.pdf
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ElectroMagnetic theory and Transmission Lines (EMTL) Notes and Textbook Download
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EC05214ANotes-1.pdf
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Pulse and Digital Circuits (PDC) Notes and Textbook Download
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In digital circuits, pulses can
make the voltage either more positive or more negative. Usually, the more
positive voltage is called the high state and the more negative voltage is
called the low state. The length of time between the rise and the decay of a
single pulse is
called the pulse duration
or pulse width.
PDC.HPpdf (279...
switching theory and logic design (STLD) Notes and Textbook Download
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Switching theory and logic design provides mathematical foundations and
tools for digital system design that is an essential part in the research
and development in almost all areas of modern technology.
Unit-1_HP (STLD).pdf (278715)
Unit-2_HP (STLD).pdf (588622)
Unit-3_HP (STLD).pdf (464793)
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Determination of Psd with Wave Forms
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clc;
clear all;
close all;
N=1024;
fs=8000;
f1=input('enter the 1st freuency');
f2=input('enter the 2nd freuency');
f3=input('enter the 3rd freuency');
n=0:N-1;
x=sin(2*pi*(f1/fs)*n)+sin(2*pi*(f2/fs)*n)+sin(2*pi*(f3/fs)*n);
figure(1)
pxx=spectrum(x,N)
specplot(pxx,fs);
grid ON;
xlabel('freq hz');
ylabel('mag in db');
title('power spectrum of x(n)');
...
Impulse Response of a First Order and Second Order System with Wave Forms
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clc;
clear all;
close all;
a=input('enter the numerator coefficient value');
b=input('enter the denominator coefficient value');
N=input('enter the number of samples');
[h,t]=impz(a,b,N);
disp('h=')
disp(h)
stem(t,h);
xlabel('samples');
ylabel('amplitude');
title('impulse response');
...
Dual Tone Multi Frequency with Waveforms
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//
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clc;
clear all;
close all;
fs=8000;
f1=770+/fs;
f2=1209/fs;
n=1:205;
x1=sin(2*pi*f1*n);
x2=sin(2*pi*f2*n);
x=x1+x2;
y=fft(x,205);
K=1:50;
z(K)=y(K);
stem(K,abs(z));
xlabel('k');
ylabel('amplitude');
title('DTMF signal');
...
Implementation of Decimation / Interpolation Process with Waveforms
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clc;
clear all;
close all;
t=0:0.01:1;
d=input('enter number D/I');
x=sin(2*pi*5*t);
y=decimate(x,d);
subplot(3,1,1);
stem(x(1:25));
title('original input signal');
xlabel('samples');
ylabel('amplitude');
subplot(3,1,2);
stem(y);
title('decimated output');
xlabel('samples');
ylabel('amplitude');
y1=interp(y,d);
subplot(3,1,3);
stem(y1(1:25));
title('interpolation output');
xlabel('samples');
ylabel('amplitude');
...
Implementation of Decimation Process with Waveforms
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clc;
clear all;
close all;
x=input('enter the sequence');
d=input('enter the decimation factor');
N=length(x);
n=0:N-1;
xd=x(1:d:N);
n1=1:N/d;
subplot(2,1,1);
stem(n,x);
title('input signal');
xlabel('samples');
ylabel('amplitude');
subplot(2,1,2);
stem(n1-1,xd);
title('decimated output');
xlabel('samples');
ylabel('amplitude');
...
FFT and Convolution for FFT with Waveforms
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//
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clc;
clear all;
close all;
x=input('enter the sequence');
N=input('enter the number of smples');
n=0:N-1
y=fft(x,N);
y1=abs(y);
y2=angle(y);
y3=ifft(y);
figure(1);
subplot(2,1,1);
stem(x);
title('original signal');
xlabel('samples');
ylabel('amplitude');
subplot(2,1,2);
stem(y);
title('fft signal');
xlabel('samples');
ylabel('amplitude');
figure(2);
subplot(2,1,1);
stem(y1);
title('magnitude plot');
xlabel('samples');
ylabel('amplitude');
subplot(2,1,2);
stem(y2);
title('phase angle');
xlabel('samples');
ylabel('amplitude');
figure(3);
subplot(2,1,1);
stem(y);
title('frequency...
DFT and IDFT with Wave Forms
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//
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clc;
clear all;
close all;
x=input('enter the input sequence');
L=length(x);
N=input('enter number of samples');
xn=[x zeros(1,N-L)]
n=[0:1:N-1]
k=[0:1:N-1]
wN=exp(-j*2*pi/N);
nk=n'*k;
wNnk=wN.^(nk);
xk=xn*wNnk;
disp('dft of given sequence');
disp(xk);
figure(1);
subplot(2,1,1);
stem(k,xn);
title('original samples');
xlabel('samples');
ylabel('amplitude');
subplot(2,1,2);
stem(k,xk);
title('discrete fourier transform');
xlabel('samples');
ylabel('amplitude');
figure(2)
subplot(2,1,1);
stem(k,abs(xk));
title('magnitude...
Frequency Response of a Given System with Wave Forms
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//
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%impulse response
clc;
clear all;
close all;
N=input('enter the length of the sequence');
a=input('enter the numerator coefficient value');
b=input('enter the denominator coefficient value');
n1=0:1:N-1;
x1=(n1==0);
h1=filter(b,a,x1);
disp(h1);
subplot(2,1,1);
stem(n1,x1);
title('impulse response');
xlabel('samples');
ylabel('amplitude');
subplot(2,1,2);
stem(n1,h1);
xlabel('samples');
ylabel('amplitude');
%unit step
clc;
clear all;
close all;
N=input('enter the length of the sequence');
a=input('enter...
Generation of Elementary Sequences of All Signals with Wave Forms
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%impulse
clc;
clear all;
close all;
disp('unit impulse signal');
N=input('enter number of samples');
n=-N:1:N
X=(n==0)
stem(n,X,'filled');
x label('samples');
y label(amplitude');
title('impulse signal');
%unit step
clc;
clear all;
close all;
disp('unit step signal');
N=input('enter number of samples');
n=-N:1:N
X=(n>=0)
stem(n,X,'filled');
x label('samples');
y...
Ac Matlab Outputs
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JUST CLICK ON BELOW SITE THAT SHOWS A FILE NAMED acoutput11.10.2014.docx (219,2 kB) CLICK ON THAT DIRECT WORD FILE WILL DOWNLOAD U CAN GOTHROUGH THE OUTPUTS THERE .......
http://harishpola.webnode.com/news/ac-matlab-output...
Frequency Modulation Using Message Signal as A Square in Matlab with Waveforms
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2 comments:
clc;
clear all;
close all;
fc=30;
fm=2;
dev=20;
fs=100*fc;
t=0:1/fs:2/fm;
mt=square(2*pi*fm*t);
ct=sin(2*pi*fc*t);
st1=fmmod(mt,fc,fs,dev);
st2=pmmod(mt,fc,fs,dev);
figure(1);
subplot(4,1,1);
plot(t,mt,'r');
title('msg signal');
xlabel('time');
ylabel('amplitude');
subplot(4,1,2);
plot(t,ct);
title('carrier signal');
xlabel('time');
ylabel('amplitude');
subplot(4,1,3);
plot(t,st1);
title('fm modulated signal');
xlabel('time');
ylabel('amplitude');
subplot(4,1,4);
plot(t,st2);
title('pm modulated...
Frequency Synthesizer Using Matlab with Waveforms
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clc;
clear all
close all;
fs=10000;
t=0:1/fs:1;
f=10;
x1=square(2*pi*f*t);
x2=square(2*pi*f/2*t);
x3=square(2*pi*2*f*t);
subplot(3,1,1);
plot(t,x1,'g');
title('original signal');
xlabel('time period');
ylabel('frequency');
subplot(3,1,2);
plot(t,x2,'r');
title('original signal with half frequency');
xlabel('time period');
ylabel('frequency');
subplot(3,1,3);
plot(t,x3,'b');
title('original signal with double frequency');
xlabel('time period');
ylabel('frequency');
...
Sampling Theorem Using Matlab with Waveforms
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//
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clc;
clear all;
close all;
t=-10:0.01:10;
T=4;
fm=1/T;
x=cos(2*pi*fm*t);
subplot(2,2,1);
plot(t,x);
title('msg signal');
xlabel('time');
ylabel('amplitude');
fs1=1.6*fm;
fs2=2*fm;
fs3=8*fm;
%sampling with fs<2fm
n1=-4:1:4;
x1=cos(2*pi*fm/fs1*n1);
subplot(2,2,2);
stem(n1,x1);
hold on;
subplot(2,2,2);
plot(n1,x1,'r');
title('sampling when fs<2fm ');
xlabel('sample');
ylabel('amplitude');
%sampling with fs=2fm
n2=-5:1:5;
x2=cos(2*pi*fm/fs2*n2);
subplot(2,2,3);
stem(n2,x2);
hold on;
subplot(2,2,3);
plot(n2,x2,'r');
title('sampling...