QUESTION 1 Assume the window design method is used to design a linear phase band-pass FIR filter with the following specifications: [H(em)| s0.01 Os|wlso.2n 0.95 s H(e )| s 1.05 0.37 s|w|s0.7n' |H(em)| s 0.02 0.8 7 S |W/ S IT 1) What is the order of the filter using Kaiser's formula? 2) How many steps group delay are caused by this filter? 3) Using a rectangular window, what are the impulse response of the filter in time domain for h(2)= , h(12)= ( Please write the answers up to 2 decimal places)