Low-pass Filter Taps

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.