Hello everyone,
I have noticed that the Signal Source block has an input which says "Freq" (in
gray color), but I don't know how to use it properly (I'm quite new in
GNUradio)... I wanted to use it to change the generated signal's frequency
automatically, without having to use a slider in the GUI or something similar
that requires user interaction.
My goal is to make a frequency scanner for a band of 45 MHz that I cannot look
at once because of the sample rate limitation, and then try to detect the
strongest signals in that band. The idea to do this was generating a saw tooth
signal which output value would be the input of a Signal Source that generates
a cosine wave (in order to modulate the center frequency gradually until the
entire band is scanned).
I don't know if I have explained myself well... The question is basically if it
is possible to automatically change the frequency of a sinusoid between certain
predefined values.
If you need more information just ask!
Thank you very much for your time,
Marc.
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