FREQUENCY ANALYSIS
Charles François (2004). FREQUENCY ANALYSIS, International Encyclopedia of Systems and Cybernetics, 2(1): 1342.
| Collection | International Encyclopedia of Systems and Cybernetics |
|---|---|
| Year | 2004 |
| Vol. (num.) | 2(1) |
| ID | ◀ 1342 ▶ |
| Object type | Discipline oriented |
(also known as FOURIER analysis, or FOURIER transform and spectral analysis).
- “In theory, any waveform can be described as the sum of sine waves, but in practice, the method becomes infinitely cumbersome for impulse type functions”. Moreover: “The language of frequency analysis has a ”blind spot“ for the concept of ”sudden change“ (i.e., discontinuous) (D. Mac KAY, 1969, p.113).