Why do we sometimes calculate Fourier transform with omega (angular frequency) as a variable and some other time with f (frequency) as a variable? - Quora
![A periodic function f(x) of period 2π is defined as f(x)= {(-1, for [-π, 0] and 1, for [0, π] - YouTube A periodic function f(x) of period 2π is defined as f(x)= {(-1, for [-π, 0] and 1, for [0, π] - YouTube](https://i.ytimg.com/vi/5K-q9bjAbL0/hqdefault.jpg)
A periodic function f(x) of period 2π is defined as f(x)= {(-1, for [-π, 0] and 1, for [0, π] - YouTube
![dsp puzzle - How and why does sample frequency Fs be mapped to 2π? - Signal Processing Stack Exchange dsp puzzle - How and why does sample frequency Fs be mapped to 2π? - Signal Processing Stack Exchange](https://i.stack.imgur.com/3TW0B.png)
dsp puzzle - How and why does sample frequency Fs be mapped to 2π? - Signal Processing Stack Exchange
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