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FIR FILTER DESIGN USING WINDOWING METHOD

The aim was Linear Phase FIR Filter design using window function.
In this experiment we designed a digital filter using windowing technique and studied the spectrum of the filter.
The input specifications were given as
For LPF / HPF filter Design :
(1) Pass band Attenuation (Ap)
(2) Stop band Attenuation (As )
(3) Pass band Frequency (Fp) in Hz
(4) Stop band Frequency (Fs) in Hz
(5) Sampling Frequency in Hz
 For BPF / BSF filter Design :
(1) Pass band Attenuation (Ap)
(2) Stop band Attenuation (As )
(3) Pass band Frequency (Fp1, Fp2) in Hz
(4) Stop band Frequency (Fs) in Hz
(5) Sampling Frequency in Hz    For the phase spectrum we concluded that it is linear for FIR filter. Also the observed values of As and Ap are close to the input values

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