Re: [Discuss-gnuradio] Why is fft output complex?

2014-10-11 Thread jeff millar
On 10/11/2014 05:38 PM, k1...@comcast.net wrote: I can't wrap my head around why fft transform of complex signal produces a complex output. After all the output reflects the amount of energy per frequency bin and frequency bins and energy are both real numbers, no? I'm trying to write a python

Re: [Discuss-gnuradio] GNU Radio Live SDR Environment 2014-0419 snapshot released

2014-04-20 Thread jeff millar
Hi John... Does the live CD run in a Virtualbox VM? It starts, but seems to hang the whole OS after trying almost anything. I'm trying this under Ubuntu 14.04. jeff On 04/20/2014 12:55 PM, Johnathan Corgan wrote: The GNU Radio Live SDR Environment has been updated with a snapshot of the la

[Discuss-gnuradio] UDP Interface to Linrad

2011-09-02 Thread jeff millar
Linrad (http://www.sm5bsz.com/linuxdsp/linrad.htm) transmits UDP packets containing a some header information and a stream of I/Q samples in a variety of formats. It seemed like an interesting exercise to use GnuRadio and GRC to source from those packets and build some digital receivers. I'm