Why do we need Fourier transform in DSP?

Related questions

1. What does b3lyp mean?
2. What is the difference between DFT and Dtft?
3. What are the properties of DFT?
4. What are ab initio calculations?
5. What is DFT and FFT?
6. What is twiddle factor and its importance?
7. Why do we use circular convolution?
8. What is difference between Dtft and DFT?
9. What is the meaning of DFT?
10. What is PBE functional?

Tags

1. #tells
2. #where
3. #relevance
4. #certain
5. #amplitude
6. #first
7. #amplitudes
8. #fourier
9. #range
10. #applications
11. #transform
12. #filter
13. #frequencies
14. #present
15. #signal
16. #physics
17. #relative
18. #contains