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[Discuss-gnuradio] Sample rate nomenclature

From: Chris Stankevitz
Subject: [Discuss-gnuradio] Sample rate nomenclature
Date: Wed, 17 Jan 2007 11:11:09 -0800
User-agent: Thunderbird (Windows/20061207)

Hi guys,

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

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"?

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.

Thank you!


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