Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2011-01-16 Thread Jimmy Richardson
Hi, Tom: Thank you for the suggestion, I'll review the code and examples again to see what I missed. Thanks On 1/14/2011 7:03 AM, Tom Rondeau wrote: On Wed, Jan 5, 2011 at 4:14 AM, Jimmy Richardson wrote: Hi, Tom: Please see my comments below. Thanks On 1/4/2011 11:44 PM, Tom Rondeau wr

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2011-01-13 Thread Tom Rondeau
On Wed, Jan 5, 2011 at 4:14 AM, Jimmy Richardson wrote: > Hi, Tom: > > Please see my comments below. > > Thanks > > On 1/4/2011 11:44 PM, Tom Rondeau wrote: >> >> On Mon, Jan 3, 2011 at 11:25 PM, Jimmy Richardson >>  wrote: Indeed. Very strange. My guess is that there is a misconception

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2011-01-05 Thread Jimmy Richardson
Hi, Tom: Please see my comments below. Thanks On 1/4/2011 11:44 PM, Tom Rondeau wrote: On Mon, Jan 3, 2011 at 11:25 PM, Jimmy Richardson wrote: Indeed. Very strange. My guess is that there is a misconception somewhere in the code about sample rate. I can't quite see it in my head, but I'm gu

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2011-01-04 Thread Tom Rondeau
On Mon, Jan 3, 2011 at 11:25 PM, Jimmy Richardson wrote: >> >> Indeed. Very strange. My guess is that there is a misconception >> somewhere in the code about sample rate. I can't quite see it in my >> head, but I'm guessing that the channel spacing isn't exactly the >> channel spacing you think it

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2011-01-03 Thread Jimmy Richardson
Hi, Tom: Please see my comments below. Thanks On 1/4/2011 12:36 AM, Tom Rondeau wrote: On Sun, Jan 2, 2011 at 11:57 PM, Jimmy Richardson wrote: Hi, Tom: Please see my comments below. Thanks On 12/30/2010 11:47 PM, Tom Rondeau wrote: On Wed, Dec 29, 2010 at 4:32 AM, Jimmy Richardson w

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2011-01-03 Thread Tom Rondeau
On Sun, Jan 2, 2011 at 11:57 PM, Jimmy Richardson wrote: > Hi, Tom: > > Please see my comments below. > > Thanks > > > On 12/30/2010 11:47 PM, Tom Rondeau wrote: >> >> On Wed, Dec 29, 2010 at 4:32 AM, Jimmy Richardson >>  wrote: Also, keep in mind that fred always develops he own filters

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2010-12-30 Thread Tom Rondeau
On Wed, Dec 29, 2010 at 4:32 AM, Jimmy Richardson wrote: > Hi, Tom: > > Please see my comments below. > > Thanks > > On 12/29/2010 12:58 AM, Tom Rondeau wrote: >> >> On Mon, Dec 27, 2010 at 3:48 AM, Jimmy Richardson >>  wrote: >>> >>> Hi,: >>> >>> I'm learning about polyphase channelizer, and I ha

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2010-12-29 Thread Jimmy Richardson
Hi, Tom: Please see my comments below. Thanks On 12/29/2010 12:58 AM, Tom Rondeau wrote: On Mon, Dec 27, 2010 at 3:48 AM, Jimmy Richardson wrote: Hi,: I'm learning about polyphase channelizer, and I have been reading fred harris' paper "Digital Receivers and Transmitters Using Polyphase Fil

Re: [Discuss-gnuradio] DDC and Polyphase Channelizer

2010-12-28 Thread Tom Rondeau
On Mon, Dec 27, 2010 at 3:48 AM, Jimmy Richardson wrote: > Hi,: > > I'm learning about polyphase channelizer, and I have been reading fred > harris' paper "Digital Receivers and Transmitters Using Polyphase Filter > Banks for Wireless Communications". I have also played with the Matlab > programs

[Discuss-gnuradio] DDC and Polyphase Channelizer

2010-12-27 Thread Jimmy Richardson
Hi,: I'm learning about polyphase channelizer, and I have been reading fred harris' paper "Digital Receivers and Transmitters Using Polyphase Filter Banks for Wireless Communications". I have also played with the Matlab programs at the end of the paper. What I'm trying to do next is to use GN