MATLAB CODE TO DESIGN A CHEBYSHEV I LOWPASS FILTER

CODE: clear all alphap=1;  %passband attenuation in dB alphas=15; %stopband attenuation in dB wp=.2*pi; % passband freq. in radians ws=.3*pi; % stopband freq. in radians %to find cutoff freq. and order of the filter [n,wn]=cheb1ord(wp/pi,ws/pi,alphap,alphas); %syatem function of the filter [b,a]=cheby1(n,alphap,wn);...

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MATLAB CODE TO DESIGN A ELLIPTICAL LOW PASS FILTER

CODE: clc; clear all; N = input('Order = '); Fp = input('Passband edge frequency in Hz = '); Rp = input('Passband ripple in dB = '); Rs = input('Minimum stopband attenuation in dB = '); % Determine the coefficients of the transfer function [num,den] = ellip(N,Rp,Rs,2*pi*Fp,'s'); % Compute and plot the frequency response omega = [0: 200: 12000*pi]; h = freqs(num,den,omega); plot (omega/(2*pi),20*log10(abs(h))); xlabel('Frequency, Hz'); ylabel('Gain, dB');...

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MATLAB CODE TO DESIGN A BUTTERWORTH BAND REJECT FILTER

CODE: clear all alphap=2;  %passband attenuation in dB alphas=20; %stopband attenuation in dB wp=[.2*pi,.4*pi]; % passband freq. in radians ws=[.1*pi,.5*pi]; % stopband freq. in radians %to find cutoff freq. and order of the filter [n,wn]=buttord(wp/pi,ws/pi,alphap,alphas) %syatem function of the filter [b,a]=butter(n,wn,'STOP') w=0:.01:pi;...

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MATLAB CODE TO DESIGN A BUTTERWORTH HIGHPASS FILTER

CODE: clear all alphap=.4;  %passband attenuation in dB alphas=30; %stopband attenuation in dB fp=400; %passband freq. in hz fs=800; %stopband freq. in hz F=2000; %sampling freq. in hz omp=2*fp/F;oms=2*fs/F; % To find cutoff freq. and order of the filter...

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MATLAB CODE TO DESIGN A BUTTERWORTH BANDPASS FILTER

CODE: clear all alphap=2;  %passband attenuation in dB alphas=20; %stopband attenuation in dB wp=[.2*pi,.4*pi]; % passband freq. in radians ws=[.1*pi,.5*pi]; % stopband freq. in radians %to find cutoff freq. and order of the filter [n,wn]=buttord(wp/pi,ws/pi,alphap,alphas) %syatem function of the filte...

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MATLAB CODE TO DESIGN A BUTTERWORTH LOWPASS FILTER

CODE: Normal 0 false false false EN-US X-NONE X-NONE ...

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Matlab code for Computation of Linear convolution with DFT

Code: clc; clear all; g=input('Type in the first sequence:'); h=input('Type in the second sequence:'); ga=[g zeros(1,length(h)-1)]; ha=[h zeros(1,length(g)-1)]; G=fft(ga); H=fft(ha); Y=G.*H;...

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MATLAB CODE TO FIND OUT THE DFT & IDFT THEN PLOT MANITUDE AND PHASE RESPONSE OF IT

CODE: clc; clear all; close all; x=input('enter the data sequence'); N=input('enter the N point DFT'); fs=input('enter the sample freq.'); Y=fft(x,N)                       %this will give DFT f=fs/N; G=ifft(Y,N)                      %this will give IDFT z=0:f:((length(Y)-1)*f);         ...

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MATLAB CODE TO FIND OUT THE FREQUENCY AND PHASE RESPONSE

CODE: clc; clear all; a=input('Enter the values for numerator : '); b=input('Enter the values for denomator : '); t = tf(a,b,0.1) %give transfer function in Z domain freqz(a,b); % give freq as well as phase response OUTPUT: Enter the values for numerator : [1 2 3] Enter the values for denomator : [4 5 6]  Transfer function:  z^2 + 2 z + 3 --------------- 4 z^2 + 5 z + 6  Sampling time: 0.1 ...

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Matlab code for Addition of the signals frequnecy and amplitude value will be enter by user

Code: Normal 0 false false false EN-US X-NONE X-NONE ...

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