Problem running uhd_fft.py

GNU Radio
1

hello all
when I run uhd_fft.py and change sample rate from 1 to 2 the graph is
being
locked and i couldnot change anythig,
what is my fault?
Thank you.
Davood

2

This just means your PC is not fast enough to sample at that speed and
update the window. Try keeping the sample rate low.

3 
Thank you.
Davood
_______________________________________________

Also try using:

fft-rate 5 --averaging

to reduce the number of updates, which also helps.

4

Well that should be fast enough, could you give us the exact command you
used to start uhd_fft.py

Also what do you mean by “installing ubuntu 10.04 using windows
installer”,
are you running linux in a VM?