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Re: [Discuss-gnuradio] Time delaying a signal


From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] Time delaying a signal
Date: Mon, 12 May 2014 14:23:34 -0400
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16

On 05/12/2014 02:19 PM, Marcus Müller wrote:
Well, not that I'm aware of.
However, FFT, multiplication with a signal source, IFFT is not really hard to do, and it's what a time shift mathematically is.

Greetings,
Marcus
Also, a phase-shift is just a complex multiply by:

complex(cos(ang),sin(ang))

With angle in radians

That's how I do manual phase correction in the interferometer support in simple_ra



--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org




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