[Discuss-gnuradio] Need help with removal of noise

2009-05-19 Thread mayur_CEN
Hello, I am working on an experiment to send a text file over the fm channel.While recording the Fm channel ,white gaussian noise(the constant fm channel noise,i hope that what u call it) is also recorded at the beginning and end of the file.I want to remove this noise before I send it to the deoc

[Discuss-gnuradio] Want to record Fm samples

2009-05-18 Thread mayur_CEN
Hello, I want to record a FM sample that I am receiving from my USRP.I have attached a file_sink block in the grc to the fm receiver simulation.The file extension that I am using is .dat.When I convert this .dat file to mp3 using sox or lame,my sample is highly degraded than the sample I can

Re: [Discuss-gnuradio] question about BasicTX and BasicRX

2009-05-14 Thread mayur_CEN
Hi, I am also experimenting with FM signals . I am using a single usrp for RX/TX TVRX board is used for reception Basic tx for Transmission. I am running two programs simultaneously in gnuradio i am using the wfm_receiver example program in GRC for RX and a fm transmission code at terminal Hope i

Re: [Discuss-gnuradio] question about BasicTX and BasicRX

2009-05-14 Thread mayur_CEN
Hi, I am also experimenting with FM signals . I am using a single usrp for RX/TX TVRX board is used for reception Basic tx for Transmission. I am running two programs simultaneously in gnuradio i am using the wfm_receiver example program in GRC for RX and a fm transmission code at terminal Hope i

Re: [Discuss-gnuradio] multiband FM transmission reception problem

2009-05-13 Thread mayur_CEN
I am sorry for being so impatient.Actually I have been experimenting with this problem for a long time,so i am a bit eager to find the solution.You guys are doing a great job helping out people with their problems.I did not mean to offend anyone. I have uploaded the code.I will explain to you in

Re: [Discuss-gnuradio] multiband FM transmission reception problem

2009-05-13 Thread mayur_CEN
ANyone can please help? mayur_CEN wrote: > > Hello,I have modified the fmradio.py andfmtx4.py code to make a multi > band fm transmission system.The problem is as I increse the number of > channels,The interference increases.How do i control the gain and also the

[Discuss-gnuradio] noise problem in multi band fm transmission

2009-05-13 Thread mayur_CEN
hello, First of all my apologies to ERIC,I did not guess the behaviour of the mail tool.I am posting a new message . I have modified the fmradio.py and fm_tx4.py code to transmit multiband fm transmitter As I increase the number of channels,the noise in the signal is increasing. Can u suggest me

[Discuss-gnuradio] noise problem in multi band fm transmission

2009-05-13 Thread mayur_CEN
hello, First of all my apologies to sorry,I did not guess the behaviour of the tool.I am posting a new message . I have modified the fmradio.py and fm_tx4.py code to transmit multiband fm transmitter As I increase the number of channels,the noise in the signal is increasing. Can u suggest me how