![Figure 1: The weights of the partitioned half band filter hA[n] and hB[n].](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/2226-featured-125x75.png)
![Figure 1: The two sequences for the autocorrelation of x0[n] and x0[n].](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/5515-featured-125x75.png)
![Figure 6: The magnitude of the cross correlation between c[n] and y[n], |Ryc[tau]|.](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/5756-featured-125x75.png)
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The Almanack of Naval Ravikant: Buy The Book Now! - Polyphase Half Band Filter for Decimation by 2
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