The docs say that I need to set Scale to the inverse of the Length. Ok, I interpret that as Length = 4000 and Scale = 1/4000 The docs here: https://www.gnuradio.org/doc/doxygen/classgr_1_1blocks_1_1moving__average__ff.html says that Scale is a float.
The discussion here clearly shows Scale working for values <1 and >0 https://lists.gnu.org/archive/html/discuss-gnuradio/2016-01/msg00084.html If I enter a scale value by hand, like 0.2, then I see 200m which is what I expect. If I enter a scale value as (1/5) then I see 0. If I set a variable called "Scale" = (1/) and enter "Scale" in the Scale field of the moving average, it evaluates to 0. When I enter the values in the block, it looks like scale is an int, which makes 1/4000 or indeed 1/(>1) problematic in that it always evaluates to zero, which kinda breaks things. When I enter 1/2 I get "0" When I hover over the field to enter Scale, I get Type Real. I have the input and output of my integrator connected to a QT GUI Time Sink, and while the input waveform is what I expect, if I have any <1 Scale parameter, the output is 0. Is something broken here, or is it me? I've not had any problems using simple math in any of the other fields where appropriate. -- K1FZY (WA4TPW) SK 9/29/37-4/13/15
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