Re: [Discuss-gnuradio] Sample rate nomenclature

[Dan Halperin]

Also, gr.file_sink stores data native-Endian, so you may want to include
the Endian-ness in the description.

-Dan

Matt Ettus wrote:
> Chris Stankevitz wrote:
>   
>> Q1: When using USRP source_c (complex) with decimation == 8, am I
>> getting 4 million complex samples per second?  64Mhz / 8 = 8MHz floats
>> = 4MHz complex
>>     
>
> No. 
>
> 64 MS/s complex samples / 8 = 8 MS/s complex
>
>   
>> Q2: If I saved that data to a file and shared it with people, would I
>> advertise it as "Complex data, 4 million samples per second"?
>>     
>
> Call it 8 MS/s complex.
>
>   
>> Q3: If someone read that in using file_source(gr.sizeof_gr_complex,
>> "file.in") and wanted to perform an FFT, what would he specify as the
>> sample rate to the fft_sink_c(sample_rate=x)?  My guess is
>> sample_rate=4e6.
>>     
>
> 8e6.
>
> Matt
>
>
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