Fir filter using simulink

1. How to create a filter in Simulink?
2. How to filter signals in Simulink?

How to create a filter in Simulink?

Open Simulink and create a new model file. From the DSP System Toolbox™ Filtering library, and then from the Filter Implementations library, click-and-drag a Digital Filter Design block into your model. Double-click the Digital Filter Design block. The filter designer app opens.

How to filter signals in Simulink?

In order to isolate the main signal an IRS band pass filter block is added, and its output is compared to the original signal with a spectrum analyzer. The band pass filter block is implemented with an IIR impulse response, and the stop band and pass band frequencies shown here.