Re: [Discuss-gnuradio] Units of data saved by filesink

[Marcus D. Leech]

On 07/29/2019 08:22 AM, Ellie White wrote:
> Hi Marcus,
>
> Thanks for the interesting tidbit -- and yes, I'll be following your 
> advice on using the integrated block for sure. And by the way -- I've 
> got one more question on a similar theme as the previous one. I 
> modified my flowgraph again (attached), and am now saving two data 
> streams -- real and imaginary -- to two separate data files and 
> processing them using the attached python program. In the python 
> program, I am performing the same conversion as the Complex to Mag^2 
> Block, but yet again I am getting different answers from what I expect 
> (on the order of 10^-5 instead of ~0.01). Do you have any suggestions 
> as to what could be causing the difference I am seeing? I am wondering 
> if it has something to do with Python's handling of the different IO 
> types, but could definitely be wrong on that. Any advice is much 
> appreciated!
>
> Thanks Marcus! Take care,
> Ellie
Looks like your python program isn't squaring the real and imaginary 
components -- the values for "y" are never considered in your program :)