11/6/25 5:25 AM
C:\MATLAB7\work\exp_8_.m
%Name :Mangesh Biradar
%Roll NO:EC3110
%Practical No: 8
%AIm : Write And Perform MATLAB Program to implement FIR filter using
%Rectangular window technique
clc;
clear all;
close all;
wc = pi/2;
N = 7;
A = (N-1)/2
n = 0:N-1
Wr = rectwin(N);
Hn = sin((wc*(n-A))/(pi*(n-A)));
H = Hn.*Wr
W=0:0.01:pi
Hf = freqz(H, 1, W);
Hmag = abs(Hf);
plot(W, Hmag);
title('Frequency Response');
xlabel('W');
ylabel('HMagnitude');
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