Re: [Discuss-gnuradio] Question on FFT (Josh Blum)

2012-08-20 Thread Josh Blum
On 08/18/2012 01:47 PM, Sam mite wrote: > Hi Josh! > > Thanks for reply. I change type from complex float to float but still I > found no negative frequency. I attached the GRC image. What should be the > type of blocks to get both frequencies ? > The FFT plotter wont plot the negatives freque

Re: [Discuss-gnuradio] Question on FFT

2012-08-17 Thread mleech
On 17 Aug 2012 14:45, 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. > > Best Regards

Re: [Discuss-gnuradio] Question on FFT

2012-08-17 Thread Josh Blum
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 b