Introduction - If you have any usage issues, please Google them yourself
ASP t = 0:0.0000002 : ts = 0.0006% per period 1000 EMFs point x1 = sin (5000* 2* pi.* t)% 5KHz generation of sine wave b = fir1 (9,0.01. HANNING (10))% is 100KHz sampling frequency, As the frequency of 500Hz nine bands Hanning window Generation b coefficient. Freqz (b, 1,512,100000) y = filter (b, a, x1)% to 5KHz sine wave with nine bands Hanning window filtering plot (t, x, t, y) Simulation results were not seen y attenuation of the filter effect. 19:56 guidance. Tongxinluo into programming