Design of Linear Phase FIR Bandpass Filter Using fir1 Function with Various Window Methods

Implementation of a linear phase FIR bandpass filter using MATLAB's fir1 function with specifications: stopband cutoff frequencies at 0.55π and 0.85π, passband cutoff frequencies at 0.65π and 0.75π, maximum passband attenuation of 0.2 dB, and minimum stopband attenuation of 42 dB. The design compares three window functions - Hanning, Hamming, and Blackman - with impulse response coefficients and magnitude frequency responses provided for each case.