You can build filters using polyphase DFT (discrete Fourier transform) cores that are now available as off-the-shelf IP (intellectual property) from UK signal-processing company RF Engines. The cores ...
Before we proceed, let's quickly review our filter bank example. Our example, shown in Figure 1, is a size 16 DFT filter bank. The color scheme shows the sample rate change where a 16 MHz input sample ...
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