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Re: [Discuss-gnuradio] 25 MS/s at 16 bits I/Q vs. gr.sizeof_gr_complex
From: |
Daniel Bartel |
Subject: |
Re: [Discuss-gnuradio] 25 MS/s at 16 bits I/Q vs. gr.sizeof_gr_complex |
Date: |
Sun, 15 May 2011 16:58:18 +0200 |
>> Hello,
>>
>> I was wondering about a little conflict concerning the sizes of the data
>> types in GNU Radio.
>>
>> The UHD driver sends 16 bits I, 16 bits Q samples over the ethernet
>> interface at 25 MS/s and the return value of "gr.sizeof_gr_complex" is 8
>> bytes (64 bits).
>> How does this actually work?
>> I have looked for some documentation of UHD, but I wasn't were lucky.
>>
>> Best regards,
>> Daniel
>>
> UHD converts the incoming samples to complex float, scaled into {-1.0,1.0}.
Thanks for your answer, I wasn't sure if it's "only" a raw convertion.