Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-22 Thread Kyle Zhou
On 04/20/2010 08:28 PM, Kyle Zhou wrote: Matt Ettus wrote: On 04/20/2010 02:51 AM, Kyle Zhou wrote: Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by

[Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Kyle Zhou
Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by usrp_fft.py is normal and clean. However, after capturing the data using usrp_rx_cfile.py and loading the data to

Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Matt Ettus
On 04/20/2010 02:51 AM, Kyle Zhou wrote: Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by usrp_fft.py is normal and clean. However, after capturing the data using

Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Kyle Zhou
Matt Ettus wrote: On 04/20/2010 02:51 AM, Kyle Zhou wrote: Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by usrp_fft.py is normal and clean. However, after capturing

Re: [Discuss-gnuradio] wbx usrp1 sampling spectrum distortion

2010-04-20 Thread Marcus D. Leech
On 04/20/2010 08:28 PM, Kyle Zhou wrote: Matt Ettus wrote: On 04/20/2010 02:51 AM, Kyle Zhou wrote: Hi I use WBX + USRP1 to capture a DAB+ digital radio broadcast signal at frequency 204.64MHz and bandwidth 1.4MHz. Sampling rate is 2Msps (decimation=32) The spectrum shown by usrp_fft.py