Hi, Rick
Would you please iterate more about why it's not a
problem for analog signal? Maybe some mathematics
would be very helpful to me. My understanding is if
the spectrum is reversed, the signal shouldn't be the
same.
Thanks
Sachi
--- Rick Parrish <[EMAIL PROTECTED]> wrote:
> Sachi wrote:
Sachi wrote:
Since we had to do that "reflection", the spectrum is reversed. This isn't a
problem for FM, but needs to be taken into account for most modulations.
For analog audio, no it's not a problem but for other modes - like FSK
or PSK modulated data, it would (unless I've completely
Hi Edward,
My USRP board has developed a USB communications issue. The host PC no
longer responds to the board when the USB connection is made. “USRP”
does not show up in USBview, and the FPGA does not load. The green
flashing LED on the board continues to flash at the faster rate. I can
On Tue, 2 Aug 2005, cswiger wrote:
>def Mouse(self,event):
>fRel = ( event.GetX() - 48 ) / 15.2 - 20
>print eng_notation.num_to_str(self.frequency + (fRel*1e3))
>
>
Even better than printing on the console is use ToolTips to display the
frequency your cursor pointer is on in a
Gang - getting an accurate frequency reading from an fft display is pretty
easy. This works for me:
import wx.lib.evtmgr as em
...
# add an fft display to panel_7, nice size, avg on and weaver IF
# offset
fft = fftsink.fft_sink_c (self.fg, self.panel_7, fft_size=512, \
sample
At 05:25 PM 8/1/2005 -0400, you wrote:
WxPython gurus - I'm looking to get accurate readings from fftplot.
Any clue appreciated:
Just found something about registering events that works:
import wx.lib.evtmgr as em
...
em.eventManager.Register(self.Mouse, wx.EVT_LEFT_DOWN, self.panel)
HI All,
Is there any USRP example that directly transmits I Q base
band and receives I Q Base Band?
Thanks and Regards
Amit Arora
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