There are two different approaches to calculating the tracking signal. This video introduces the tracking signal and briefly describes the two approached. They are the standard approach that is used almost everywhere ([ Ссылка ]) and the Stevenson approach, using only with the Stevenson textbook ([ Ссылка ]). Each approach is then described in detail in a separate video.
![](https://s2.save4k.ru/pic/Z1Gic2hW_DY/maxresdefault.jpg)