Abstract
The authors introduce a test for detecting the presence of a common signal on M noisy channels that generalizes a popular technique using the magnitude-squared coherence (MSC) estimate for detecting a common signal on two channels. The basis of this test is the generalized coherence estimate, a statistic involving the normalized M multiplied by M Gram matrix determinant, which reduces to the MSC estimate for M equals 2. The distribution of the generalized coherence estimate is derived under the assumptions of independent noise and no common signal on the M channels.
| Original language | English (US) |
|---|---|
| Title of host publication | ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings |
| Publisher | IEEE |
| Pages | 2745-2748 |
| Number of pages | 4 |
| State | Published - 1988 |
| Externally published | Yes |
ASJC Scopus subject areas
- Signal Processing
- Electrical and Electronic Engineering
- Acoustics and Ultrasonics