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From: | Jon West |
Subject: | Re: [Discuss-gnuradio] consuming all inputs, small outputs |
Date: | Mon, 19 Jan 2015 16:05:03 -0500 |
Hi Jon,
On 01/19/2015 09:24 PM, Jon West wrote:
Sounds like a "keep 1 in N" situation, so maybe that; documentation at [1].I am trying to create a block that outputs one number from each chucnk of data it takes in, I would like to output this number and be able to use it in visualizations, what would the best block be for this?
Yes. you could for example use a decimating FIR filter (if you don't want to write a block of your own), and just set the taps to [1.0], if you just want to keep the numbers as they were in the original sample stream. Of course, if you want to do decimation, you'd just try to use an appropriate low pass filter.Would a decimation block work?
Well, [2] is "keep M in N".what if I would like to out put three numbers from one chunk of input and visualize those (lets say I'm doing an autocorellation and would like to know sample number I found the highest correlation and the size of the correlation peak) and I want to plot them.
Hope you have your little moments of success in between :)Thanks, I'm finding this all REALLY confusing and every time I try something I am just running in to problems.
Greetings,
Marcus
[1] http://gnuradio.org/doc/doxygen/classgr_1_1blocks_1_1keep__one__in__n.html
[2] http://gnuradio.org/doc/doxygen/classgr_1_1blocks_1_1keep__m__in__n.html
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