Basic GNU Radio Companion tutorial: having fun with discrete time digital signal processing 1 Frequency axis and decimation: the
Basic GNU Radio Companion tutorial: having fun with discrete time digital signal processing 1 Frequency axis and decimation: the
![gnuradio - Why am I seeing a negative frequency on FFT graph in Gnu Radio Companion? - Signal Processing Stack Exchange gnuradio - Why am I seeing a negative frequency on FFT graph in Gnu Radio Companion? - Signal Processing Stack Exchange](https://i.stack.imgur.com/mGwRQ.png)