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Relationship between the time domain harmonic signal and the MPI harmonic image basis set.
| Harmonic | MPI harmonic image basis set | Shape |
|---|---|---|
| sin (1ω0t) | 1 | constant |
| sin (2ω0t) | 2x | linear slope |
| sin (3ω0t) | 4x2 − 1 | parabola |
| sin (4ω0t) | 8x3 − 4x | cubic |
| sin (5ω0t) | 16x4 − 12x2 + 1 | quartic |
| ∶ | ∶ | ∶ |
