Simulation of Square Root Raised Cosine Filter with Roll-Off Factor 0.22

The following MATLAB program simulates a square root raised cosine filter with a roll-off factor of 0.22. This implementation utilizes MATLAB's digital signal processing capabilities to design and apply the square root raised cosine filter, specifically configured with a 0.22 roll-off factor to achieve the desired spectral characteristics. The code includes filter parameter initialization, impulse response generation, and frequency domain analysis using built-in functions like rcosdesign or firrcos for filter creation. Through this filter implementation, signals can be processed to achieve optimal matched filtering effects while minimizing inter-symbol interference in communication systems. The program is executable within the MATLAB environment and can be modified by adjusting parameters such as filter length, sampling rate, and roll-off factor to meet specific application requirements. Key implementation aspects include calculating filter coefficients, normalizing the impulse response, and verifying the filter's frequency response characteristics through plotting functions.