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Altera_Forum's avatar
Altera_Forum
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13 years ago

half-band filter

I am trying to implement a half-band filter in Verilog. The questions are: 1. what is the definition for a half-band filter? Is it the same as what we have in traditional multi-rate DSP "P(z)+P(-z)=c...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

What is the value of n in the example http://www.dsprelated.com/showarticle/124.php? Besides, if there is only two polyphases {(0, 2, 4, 6), (1, 3, 5, 7)}, the filter output still needs to be the convolution of the input and the filter coeffs (not just pass through). Thanks