Number of epochs |
|
---|
10 | 0.3 |
20 | 0.15 |
100 | 0.03 |
- The expected value of bicoherence at any bifrequency (f1,f2) is 0 if the harmonic components are random-phase. This also holds for a Gaussian random process. However, when a finite number, N, of epochs is used in estimation, bicoherence values will be non-zero. 95% of the values will lie below .