Hi!
Just a side note: Try to replace your WX GUI widgets with QT ones (also set the
Generate Option to QT in GRC). They are pretty mature and work well; also, in
the long run, GNU Radio's going to move away from WX.
Greetings,
Marcus
On 04/23/2014 01:06 PM, Attila Kinali wrote:
On Wed, 23 Apr 2014 12:04:52 +0500
ali hanif <[email protected]> wrote:
I am facing issues regarding WX GUI fft sink block..
First that whatever center frequency i am providing it is showing a peak at
that frequency whether input signal is there or not..??
The peak means that there is a DC bias component in your signal. That's
pretty normal, depending on what kind of hardware you use.
E.g. a bladeRF will show it, while (at least some) RTL-SDR don't have it.
Secondly there is a question that whether it can automatically shift to the
frequency by detecting the frequency of the input signal or not??
You can supply the center frequency to the block. You can specify it
as a variable to all blocks that need it, in order to have it to change
only at one place.
Another issue in general that i am unable to use two sink blocks at the
same time..e.g.if i am using fft sink and scope sink then when i execute
it(i have no hardware attached uptill now)..then both plots are empty and i
have to disable one of them to get working..??
That sounds weird. Can you show a screenshot of your GRC graph?
(unless you are using a coded flow graph, than that please).
Attila Kinali
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