I do this by sending the value of argmax to the gui using number_sink for
the gui.
BTW I sent a message to this list the other day questioning the "-20*
math.log10(self.fft_size)..."
in the line below (taken from your code above). I argue it should be "-10*
math.log10(self.fft_size)..."
[from Brook Lin] self.fft_size,-20*math.log10(self.fft_size)-10*math.log10
(power/self.fft_size))
Any comments?
Here is some quick code to display the max index of the FFT output in a gui
ss2v = gr.streams_to_vector(gr.sizeof_gr_complex, 128)
pick_one = gr.keep_one_in_n(gr.sizeof_gr_complex * 128,1024)
my_fft = gr.fft_vcc(128,1,[])
my_mag = gr.complex_to_mag(128)
my_argmax = gr.argmax_fs(128)
my_s2f = gr.short_to_float()
self.my0_s2f = gr.short_to_float()
self.connect(self.chan_filt
,ss2v,pick_one,my_fft,my_mag,(my_argmax,0))
self.connect((my_argmax,0),self.my0_s2f,self.my0_probe)
self.connect((my_argmax,1),my_s2f,self.my_probe)
#Now in the gui area
self.my_number = numbersink2.number_sink_f(self.panel,label=
"maxIndex",decimal_places=2)
self.connect (self.my0_s2f, self.my_number)
vbox.Add (self.my_number.win, 4, wx.EXPAND)
Tim
On Tue, Mar 11, 2008 at 10:26 PM, Brook Lin <[EMAIL PROTECTED]> wrote:
>
> And I also want to show this maximum value on the status bar in wxgui,
> which
> shows the fft plot in the gnuradio-example. Any suggestion?
>
> In short, when I run usrp_fft.py, how can I show the peak value on the
> wxgui
> window? Can I do it like what I did now?(I mean the code I attached
> previously). If not, do you have some good idea to do it?
>
> Thanks,
>
> --
> View this message in context:
> http://www.nabble.com/output-of-gr.argmax---gr.max--tp15997864p15998547.html
> Sent from the GnuRadio mailing list archive at Nabble.com.
>
>
>
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