If the low pass filter described by the difference equation y(n)=0.9y(n-1)+0.1x(n) is converted into a high pass filter,
Posted: Thu Jul 14, 2022 9:44 am
a) 0.1/(1+0.9ejω)
b) 0.1/(1+0.9e-jω)
c) 0.1/(1-0.9ejω)
d) None of the mentioned
b) 0.1/(1+0.9e-jω)
c) 0.1/(1-0.9ejω)
d) None of the mentioned