Low-pass Filter Taps
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Generates taps for a low-pass filter and stores it in variable called whatever the ID is set to. It's essentially a convenience wrapper for calling firdes.low_pass(). None of the parameters are realtime changeable because the taps are created once at the beginning of the flowgraph.
Parameters
- ID
- Similar to the Variable block, the ID will hold the values generated.
- Gain
- Scaling factor applied to output.
- Sample Rate
- Input sample rate.
- Cutoff Freq
- Cutoff frequency in Hz
- Transition Width
- Transition width between stop-band and pass-band in Hz
- Window
- Type of window to use
- Beta
- The beta paramater only applies to the Kaiser window.
Example Flowgraph
This flowgraph can be found at [1].