Howtosignalprocessing
What are GNU radio blocks?
Many GNU Radio applications contain nothing other than a flow graph. The nodes of such a graph are called blocks, and the data flows along the edges. Any actual signal processing is done in the blocks. Ideally, every block does exactly one job - this way GNU Radio stays modular and flexible.
How do you connect blocks in Gnuradio?
In order to connect these two blocks, click once on the “out” port of the Signal Source, and then once on the “in” port of the Scope Sink. The following flow graph should be displayed. 7. You may have noticed a warning in the message window indicating that the flow graph may not have flow control.
