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Design the FIR filter using suitable window for the specifications-:

$0.899\leq |H (e^{j\omega}\;)|\leq1\;for\; |\omega| \leq0.2\pi$

$\; |H(e^{j\omega}\;)| \leq 0.01, \text{ for } \; 0.4\pi\leq \omega \leq \pi$

Here I have assumed-:

$1-\delta_p=0.899=> \delta_p=0.101$

$\delta_s=0.01$

$\delta=\min(\delta_p,\delta_s)=0.01$ $A=-20\log_{10} 0.01=40$ And continue.

Have I wrote the specifications correctly. Really confused in this. Hope to get some help here...

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