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Re: [Discuss-gnuradio] Question on FFT
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From: |
Josh Blum |
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Subject: |
Re: [Discuss-gnuradio] Question on FFT |
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Date: |
Fri, 17 Aug 2012 11:48:26 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:14.0) Gecko/20120714 Thunderbird/14.0 |
On 08/17/2012 11:45 AM, Sam mite wrote:
> Hi All,
>
> I wanted to work on FFT using gnuradio. I have a question. Why there is
> only one frequency shown in plot ? why negative frequency is not being
> displayed ? I have attached picture of GRC implementation and FFT plot as
> well.
>
So, the blue color means complex floats. The signal source is not
producing sin(t), its producing e^jwt
-josh
> Best Regards,
> Sam
>
>
>
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