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From: | Barry Duggan |
Subject: | Re: Is there a way to change the number of taps of the FIR filter in GNURadio while running? |
Date: | Fri, 5 Mar 2021 09:31:31 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 |
Jay,The difference in trying to change the parameters at run-time between the Low Pass Filter and the Low-pass Filter Taps is that the Low-pass Filter Taps is a variable where the parameters are computed at compile time, whereas the Low Pass Filter has callbacks to allow changing parameters at run-time.
Here is a flowgraph which works: https://wiki.gnuradio.org/index.php/File:Filter_taps_demo.png Note: The beta paramater only applies to the Kaiser window. -- Barry Duggan KV4FV https://github.com/duggabe
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