[Discuss-gnuradio] frequency offset of USRP

2008-03-29 Thread Sl Peng
Hi all: My task is to use the USRP to down convert the GPS L1 channel to baseband signal. I have some problems with the carrier offset of the DBS_RX daughterboard. When I set f_l0 of the DBS_RX daughterboard to be 1575.42e6 which is the center frequency of GPS L1 signal, I found the real frequency

Re: [Discuss-gnuradio] To listen FM radio station using GRC in GNU Radio

2008-03-29 Thread Eric Blossom
On Sat, Mar 29, 2008 at 08:04:27PM +0500, zafar ali wrote: > Hi Every one ! > First, > Thanking all those who replied on my queries > I have two USRP boards and daughter boards RFX900 and RFX2400. > I want to listen FM radio station . > Kindly help me if someone has tried before or please give sug

Re: [Discuss-gnuradio] execute MATLAB code with mlab_call

2008-03-29 Thread Eric Blossom
On Fri, Mar 28, 2008 at 05:12:20PM -0400, Gregory Maxwell wrote: > On Fri, Mar 28, 2008 at 1:09 PM, Greg Troxel <[EMAIL PROTECTED]> wrote: > > There are several issues. One is following the proprietary program's > > license, and another is complying with the GPL, which requires that all > > of

Re: [Discuss-gnuradio] Re: Artwork

2008-03-29 Thread Eric Blossom
On Fri, Mar 28, 2008 at 11:08:10AM +0100, Patrick Strasser wrote: > Brian Padalino wrote am 2008-03-27 23:05: >> On Thu, Mar 27, 2008 at 5:57 PM, Eric Blossom <[EMAIL PROTECTED]> wrote: >>> IIRC Arial == Helvetica. Not sure about Georgia. >> Georgia closely resembles Times New Roman. > > I made 2

[Discuss-gnuradio] To listen FM radio station using GRC in GNU Radio

2008-03-29 Thread zafar ali
Hi Every one ! First, Thanking all those who replied on my queries I have two USRP boards and daughter boards RFX900 and RFX2400. I want to listen FM radio station . Kindly help me if someone has tried before or please give suggestion. ___ Discuss-gnurad

Re: [Discuss-gnuradio] Quadrature demodulation of FM

2008-03-29 Thread Philip Balister
I think you want to look at Richard Lyon's book on DSP, Fig 13-61(b). The book should be on the recommended reading list for GNU Radio. I think this is an implementation of the algorithm you are trying to implement. I've used this method successfully with the OSSIE SCA code from VT. Unfortunately