[Discuss-gnuradio] Received signal is DANCING

2010-11-18 Thread Songsong Gee
I am now building a flow graph for ASK modulation,during the test, Here is my flow graph, http://picasaweb.google.com/lh/photo/-4xnI_UgFeSNENH3UGHgxw?feat=directlink And this is the result plot, http://picasaweb.google.com/lh/photo/QYy5NJEezHCqaMX-8AIFww?feat=directlink The bottom is the RX

Re: [Discuss-gnuradio] Received signal is DANCING

2010-11-18 Thread Steven Clark
On Thu, Nov 18, 2010 at 6:34 AM, Songsong Gee gee.songs...@gmail.comwrote: I am now building a flow graph for ASK modulation,during the test, Here is my flow graph, http://picasaweb.google.com/lh/photo/-4xnI_UgFeSNENH3UGHgxw?feat=directlink And this is the result plot,

Re: [Discuss-gnuradio] Received signal is DANCING

2010-11-18 Thread Marcus D. Leech
On Thu, Nov 18, 2010 at 6:34 AM, Songsong Gee gee.songs...@gmail.com mailto:gee.songs...@gmail.com wrote: What does the resulting plot look like if you remove the bandpass filter? Those discontinuities when the orig signal abruptly turns on/off is essentially high-frequency info, which when

Re: [Discuss-gnuradio] Received signal is DANCING

2010-11-18 Thread Josh Blum
As previously observed, the throttle blocks are quite unnecessary. Also, why the repeat block? The file source is already set to repeat, so I don't understand what that repeat block is doing there. the repeat acts like an interpolation, where the file source repeat option just replays the