Introduction - If you have any usage issues, please Google them yourself
With the Hanning window design an FIR high-pass digital filter to meet the requirements the following parameters: passband edge frequency ωp = 0.7π, pass-band attenuation function αp = 0.4dB stop-band edge frequency Ωs = 0.4π, stop-band attenuation within the function αs = 55dB.