You can use a signal generator to generate a ramp that goes from start frequency to end frequency, and a function probe to sample the value of that ramp periodically to then retune the radios. Somewhere I have a grc file that does that. Basically a VCO.
On Thu, Oct 15, 2020 at 10:56 AM Steven Sharp <[email protected]> wrote: > This answer may not help but I will offer it up. You can sleep (pause) the > flow graph python script, change parameters such as frequency then run the > flow graph again. Note, in my set up I dumped the first few samples after > the change to clear the old data. > > If someone else has a solution go with that. > > Good luck > > On Wed, Oct 14, 2020, 7:02 AM Songyi Cao <[email protected]> wrote: > >> Kindly help out，is there any timer in GNU Radio? >> I have six B205mini， I want to use all of them to achieve spectrum >> sensing periodically，for example，the first usrp is used for sensing 1G-2G >> frequency band，the second usrp is used for sensing 2G-3G frequency >> band….…my task is to sense 1G-6G at the same time. But because of the >> limitation of hardware，for every single usrp，it only can sense 56M >> bandwidth at most for every moment，so I have to use a timer to control the >> usrp ，this moment it should sense 1G-1.056G ，and next moment，it will move >> to 1.056G-1.112G，but I didn't find a relevant block in GNU Radio. >> >> >> >> >> >> ------------------------------ >> Best Wishes ! >> Songyi. Cao >> > -- GDB has a 'break' feature; why doesn't it have 'fix' too?
