Beautiful! On Mon, Feb 1, 2021 at 8:50 PM Christophe Seguinot < christophe.segui...@orange.fr> wrote:
> Hi > > Two months ago we had long discussions about why GNURadio was using > complex signal, and what really is such a signal. > > We talked about 'spinning dancer' 'sampling the data twice', and using > "dogs as local oscillators". It was obvious that we need some tutorial. > > I'm glad to introduce a new tutorial trying to answer this basic but > important subject https://wiki.gnuradio.org/index.php/IQ_Complex_Tutorial > > I was not able to cover the subject in 10 min, so I will not get the Noble > price of education ( see Jeff long email from November the 3rd 2020) ) > > This tutorial should be considered as a draft, I can and want to improve > it. > > - I used as less maths as possible, but whatever you don't understand, > whatever you feel is not comprehensible should be modified: just ask it on > the forum. > - I included some flowgraph, as simple as possible. A s a consequence > some simulation can be quite far from the real SDR world > - I feel this tutorial is probably too long, however only 50% are > needed to get the main aspect of IQ and complex signal. > - I must confess that my english is poor and weak so I would > appreciate if someone could at least improve the text by "making it > english". > > Regards, Christophe > > > > > -- S. Aditya Arun Kumar +919123517465
