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Re: [Discuss-gnuradio] complex bandpass vs real low-pass

From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] complex bandpass vs real low-pass
Date: Wed, 02 May 2012 18:04:47 -0400
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On 05/02/2012 05:59 PM, Nick Foster wrote:

Complex * complex multiplies are more computationally expensive than complex * real. For edification and titillation you can read the volk_32fc_x2_multiply_32fc source. There's an Orc version too which is easier to read. The moral of the story is you should probably avoid complex coefficients unless you know you need them.


Oooh, titillation.  Sign me up :-)

Yup, that makes sense.

Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium

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